TABLE 1. Conodont data from Ordovician samples from the subsurface of
West Virginia.

+-----+------+-------+---+---------------+----------+---+-----------+
| COU | WELL | STR   | C | #             | AGE      | C | REMARKS   |
| NTY | N    | ATIGR | O |               | RANGE OF | A |           |
|     | AME; | APHIC | R | #             | C        | I |           |
| API |      | UNIT  | E |               | ONODONTS |   |           |
| n   | FOO  |       | ? | # C           |          |   |           |
| umb | TAGE | (     |   | ONODONT FAUNA |          |   |           |
| er[ |      | Based | O |               |          |   |           |
| ^1] | (    | on    | R |               |          |   |           |
|     | Lati | picks | C |               |          |   |           |
| U   | tude |       | U |               |          |   |           |
| SGS | No   | pro   | T |               |          |   |           |
| C   | rth/ | vided | T |               |          |   |           |
| oll |      | by    | I |               |          |   |           |
| ect | L    | the   | N |               |          |   |           |
| ion | ongi |       | G |               |          |   |           |
| Num | tude | West  | S |               |          |   |           |
| ber | W    | Vir   |   |               |          |   |           |
|     | est) | ginia |   |               |          |   |           |
|     |      | Geolo |   |               |          |   |           |
|     |      | gical |   |               |          |   |           |
|     |      | Su    |   |               |          |   |           |
|     |      | rvey) |   |               |          |   |           |
+=====+======+=======+===+===============+==========+===+===========+
| Cab | No.  | Tr    | C | *Phragmodus   | late     | 1 | 123.0 g   |
| ell | 1 E. | enton | u | undatus*      | Middle   | . | sample    |
|     | King |       | t | Branson &     | or Late  | 5 | processed |
| 011 | rey; |       | t | Mehl;         | Ord      |   | (71.0 g   |
| -00 |      |       | i |               | ovician; |   | +20-mesh, |
| 537 | 5    |       | n | *Plectodina*  | *Ph.     |   | and 23.6  |
|     | 720- |       | g | cf. *Pl.      | undatus* |   | g of 20-  |
| U   | 5770 |       | s | tenuis*       | to *O.   |   | to        |
| SGS | ft   |       |   | (Branson &    | vel      |   | 200-mesh  |
| 11  |      |       |   | Mehl);        | icuspus* |   | insoluble |
| 938 | 38   |       |   |               | Zone     |   | residue   |
| -CO | .523 |       |   | *Yia          | (latest  |   | remained) |
|     | 887/ |       |   | oxianognathus | Blac     |   |           |
|     |      |       |   | abruptus*     | kriveran |   |           |
|     | -8   |       |   | (Branson &    | to       |   |           |
|     | 2.26 |       |   | Mehl)         | Mays     |   |           |
|     | 3055 |       |   |               | villian) |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| Gr  | G    | Tr    | C | *D            | Middle   | 4 | 100-200 g |
| ant | reen | enton | u | repanoistodus | Ord      |   | sample    |
|     | land |       | t | suberectus*   | ovician; |   | processed |
| 023 | L    |       | t | (Branson &    | *C.      |   | (18.1 g   |
| -00 | odge |       | i | Mehl);        | sweeti*  |   | of 20- to |
| 002 | (107 |       | n |               | to *Ph.  |   | 200-mesh  |
|     | 68); |       | g | *Phragmodus   | undatus* |   | insoluble |
| U   |      |       | s | inflexus*     | Zone     |   | residue   |
| SGS | 5    |       |   | Stauffer      | (mid     |   | remained) |
| 11  | 100- |       |   |               | -Chazyan |   |           |
| 939 | 5110 |       |   |               | to       |   |           |
| -CO | ft   |       |   |               | Rock     |   |           |
|     |      |       |   |               | landian) |   |           |
|     | 39   |       |   |               |          |   |           |
|     | .194 |       |   |               |          |   |           |
|     | 721/ |       |   |               |          |   |           |
|     |      |       |   |               |          |   |           |
|     | -    |       |   |               |          |   |           |
|     | 79.1 |       |   |               |          |   |           |
|     | 4167 |       |   |               |          |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| H   | S.   | Tr    | C | *Belodina     | late,    | 3 | 262.0 g   |
| anc | Mi   | enton | u | compressa*    | but not  |   | sample    |
| ock | nesi |       | t | (Branson &    | latest,  |   | processed |
|     | nger |       | t | Mehl);        | Middle   |   | (131.4 g  |
| 029 | No.  |       | i |               | Ord      |   | +20-mesh, |
| -00 | 1;   |       | n | *Panderodus   | ovician; |   | and 25.1  |
| 080 |      |       | g | gracilis*     | *Ph.     |   | g of 20-  |
|     | 8    |       | s | (Branson &    | undatus* |   | to        |
| U   | 965- |       |   | Mehl);        | Zone to  |   | 200-mesh  |
| SGS | 9140 |       |   |               | lowest   |   | insoluble |
| 11  | ft   |       |   | *Phragmodus   | *B.      |   | residue   |
| 940 |      |       |   | undatus*      | co       |   | remained) |
| -CO | 4    |       |   | Branson &     | nfluens* |   |           |
|     | 0.53 |       |   | Mehl;         | Zone     |   |           |
|     | 9722 |       |   |               | (=latest |   |           |
|     |      |       |   | *Plectodina*  | Blac     |   |           |
|     | -8   |       |   | sp. or        | kriveran |   |           |
|     | 0.55 |       |   | *A            | to       |   |           |
|     | 6114 |       |   | phelognathus* | middle   |   |           |
|     |      |       |   | sp.;          | She      |   |           |
|     |      |       |   |               | rmanian) |   |           |
|     |      |       |   | *Pol          |          |   |           |
|     |      |       |   | yplacognathus |          |   |           |
|     |      |       |   | ramosus*      |          |   |           |
|     |      |       |   | Stauffer      |          |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| J   | L.   | Tr    | C | *D            | late     | 2 | 172.7 g   |
| ack | S    | enton | u | repanoistodus | Middle   | . | sample    |
| son | taln |       | t | suberectus*   | or Late  | 5 | processed |
|     | aker |       | t | (Branson &    | Ord      | t | (19.2 g   |
| 035 | \#   |       | i | Mehl);        | ovician; | o | +20-mesh, |
| -01 | 1;   |       | n |               | *Ph.     | 3 | and 75.2  |
| 366 |      |       | g | *Phragmodus   | undatus* |   | g of 20-  |
|     | 8    |       | s | undatus*      | Zone to  |   | to        |
| U   | 730- |       |   | Branson &     | end of   |   | 200-mesh  |
| SGS | 8830 |       |   | Mehl          | Or       |   | insoluble |
| 11  | ft   |       |   |               | dovician |   | residue   |
| 941 |      |       |   |               | (latest  |   | remained) |
| -CO | 38   |       |   |               | Blac     |   |           |
|     | .729 |       |   |               | kriveran |   |           |
|     | 718/ |       |   |               | to       |   |           |
|     |      |       |   |               | latest   |   |           |
|     | -8   |       |   |               | Ga       |   |           |
|     | 1.57 |       |   |               | machian) |   |           |
|     | 2503 |       |   |               |          |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| K   | S    | Tr    | C | *D            | late     | 3 | 208.1 g   |
| ana | ally | enton | u | repanoistodus | Middle   | . | sample    |
| wha | D.   |       | t | suberectus*   | Ord      | 5 | processed |
|     | Todd |       | t | (Branson &    | ovician; |   | (64.3 g   |
| 039 | (2   |       | i | Mehl);        | *Ph.     |   | +20-mesh, |
| -03 | 0659 |       | n |               | undatus* |   | and 35.2  |
| 462 | -T); |       | g | *Phragmodus   | Zone to  |   | g of 20-  |
|     |      |       | s | undatus*      | *Pl      |   | to        |
| U   | 8    |       |   | Branson &     | tenuis*  |   | 200-mesh  |
| SGS | 780- |       |   | Mehl;         | Zone     |   | insoluble |
| 11  | 8890 |       |   |               | (Roc     |   | residue   |
| 942 | ft   |       |   | *Plectodina*  | klandian |   | remained) |
| -CO |      |       |   | sp. or        | to       |   |           |
|     | 38   |       |   | *A            | She      |   |           |
|     | .296 |       |   | phelognathus* | rmanian) |   |           |
|     | 669/ |       |   | sp.;          |          |   |           |
|     |      |       |   |               |          |   |           |
|     | -8   |       |   | ?*R           |          |   |           |
|     | 1.37 |       |   | hodesognathus |          |   |           |
|     | 0835 |       |   | elegans*      |          |   |           |
|     |      |       |   | (Rhodes); 1 P |          |   |           |
|     |      |       |   | element       |          |   |           |
|     |      |       |   | fragment;     |          |   |           |
|     |      |       |   |               |          |   |           |
|     |      |       |   | *Scyphiodus*  |          |   |           |
|     |      |       |   | cf. *S.       |          |   |           |
|     |      |       |   | primus*       |          |   |           |
|     |      |       |   | Stauffer      |          |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| Mar | No.  | Tr    | C | *Phragmodus   | late     | 4 | 121.9 g   |
| ion | A-1  | enton | u | undatus*      | Middle   | t | sample    |
|     | Fi   |       | t | Branson &     | or Late  | o | processed |
| 049 | nch; |       | t | Mehl          | Ord      | 4 | (17.0 g   |
| -00 |      |       | i |               | ovician; | . | of 20- to |
| 244 | 131  |       | n |               | *Ph.     | 5 | 200-mesh  |
|     | 10-1 |       | g |               | undatus* |   | insoluble |
| U   | 3270 |       | s |               | Zone to  |   | residue   |
| SGS | ft   |       |   |               | end of   |   | remained) |
| 11  |      |       |   |               | Or       |   |           |
| 943 | 39   |       |   |               | dovician |   |           |
| -CO | .431 |       |   |               | (latest  |   |           |
|     | 946/ |       |   |               | Blac     |   |           |
|     |      |       |   |               | kriveran |   |           |
|     | -8   |       |   |               | to       |   |           |
|     | 0.01 |       |   |               | latest   |   |           |
|     | 2223 |       |   |               | Ga       |   |           |
|     |      |       |   |               | machian) |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| Mi  | Colu | M     | C | 1             | Middle   | 2 | Sample    |
| ngo | mbia | iddle | u | *             | or Late  |   | processed |
|     | Gas  | to    | t | Curtognathus* | Or       |   | and       |
| 059 | (    | Upper | t | sp.,          | dovician |   | o         |
| -00 | well | Ordov | i | ca            |          |   | riginally |
| 805 | 9674 | ician | n | rdiodelliform |          |   | analyzed  |
|     | -T); |       | g | element;      |          |   | by A.G.   |
| U   |      |       | s |               |          |   | Harris;   |
| SGS | 5    |       |   | *Phragmodus*? |          |   | un        |
| 11  | 385- |       |   | sp., 1 P      |          |   | published |
| 937 | 7800 |       |   | element       |          |   | c         |
| -CO | ft   |       |   | fragment;     |          |   | ollection |
|     |      |       |   |               |          |   | WVA-O-3.  |
|     | 37   |       |   | *Plectodina*  |          |   |           |
|     | .904 |       |   | sp., 1 P      |          |   |           |
|     | 452/ |       |   | element, 5 S  |          |   |           |
|     |      |       |   | elements, 2 M |          |   |           |
|     | -8   |       |   | elements;     |          |   |           |
|     | 2.16 |       |   |               |          |   |           |
|     | 9442 |       |   | 4 --          |          |   |           |
|     |      |       |   | indeterminate |          |   |           |
|     |      |       |   | mul           |          |   |           |
|     |      |       |   | tidenticulate |          |   |           |
|     |      |       |   | fragments     |          |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| Mi  | Colu | Black | C | 1 unassigned, | Middle   | 1 | Sample    |
| ngo | mbia | River | u | most likely   | or Late  | . | processed |
|     | Gas  |       | t | dic           | Or       | 5 | and       |
| 059 | (    |       | t | hognathiform, | dovician | t | o         |
| -00 | well |       | i | element       |          | o | riginally |
| 879 | 2    |       | n | fragment      |          | 2 | analyzed  |
|     | 0500 |       | g |               |          |   | by A.G.   |
| U   | -T); |       | s |               |          |   | Harris:   |
| SGS |      |       |   |               |          |   | USGS      |
| 11  | 7    |       |   |               |          |   | internal  |
| 936 | 000- |       |   |               |          |   | fossil    |
| -CO | 7200 |       |   |               |          |   | ex        |
|     | ft   |       |   |               |          |   | amination |
|     |      |       |   |               |          |   | and       |
|     | 3    |       |   |               |          |   | report    |
|     | 7.88 |       |   |               |          |   | O-78-106. |
|     | 306/ |       |   |               |          |   |           |
|     |      |       |   |               |          |   |           |
|     | -    |       |   |               |          |   |           |
|     | 82.2 |       |   |               |          |   |           |
|     | 6250 |       |   |               |          |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| Mon | Joy  | Black | c | 2             | Middle   | 3 | Approx.   |
| roe | Mfg. | River | o | *Panderodus*? | Or       | . | 500 g     |
|     | Co.  |       | r | sp;           | dovician | 5 | sample    |
| U   | No   |       | e |               | or Late  | t | p         |
| SGS | WVA  |       |   | 2 robust      | Or       | o | rocessed. |
| 11  | C-1; |       |   | mul           | dovician | 4 | Sample    |
| 041 |      |       |   | tidenticulate |          |   | published |
| -CO | 2    |       |   | element       |          |   | in USGS   |
|     | 998- |       |   | fragments;    |          |   | Map       |
|     | 2999 |       |   |               |          |   | I-2495    |
|     | ft   |       |   | 2 indet.      |          |   | (1996)    |
|     |      |       |   | coniform      |          |   |           |
|     | 37   |       |   | elements with |          |   |           |
|     | .607 |       |   | circular      |          |   |           |
|     | 778/ |       |   | c             |          |   |           |
|     |      |       |   | ross-section; |          |   |           |
|     | -8   |       |   |               |          |   |           |
|     | 0.26 |       |   | 1 unassigned  |          |   |           |
|     | 6667 |       |   | dre           |          |   |           |
|     |      |       |   | panodontiform |          |   |           |
|     |      |       |   | element       |          |   |           |
|     |      |       |   |               |          |   |           |
|     |      |       |   | 1             |          |   |           |
|     |      |       |   | indeterminate |          |   |           |
|     |      |       |   | coniform      |          |   |           |
|     |      |       |   | element       |          |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| Pen | Neil | Tr    | C | BARREN        | Not      | N | 100-200 g |
| dle | Ha   | enton | u |               | de       | / | sample    |
| ton | rper |       | t |               | termined | A | processed |
|     | 1;   |       | t |               |          |   | (12.2 g   |
| 071 |      |       | i |               |          |   | +20-mesh, |
| -00 | 20   |       | n |               |          |   | and 28.2  |
| 001 | -165 |       | g |               |          |   | g of 20-  |
|     | ft   |       | s |               |          |   | to        |
| no  |      |       |   |               |          |   | 200-mesh  |
| U   | 3    |       |   |               |          |   | insoluble |
| SGS | 8.81 |       |   |               |          |   | residue   |
| co  | 111/ |       |   |               |          |   | remained) |
| lln |      |       |   |               |          |   |           |
| \#  | -79. |       |   |               |          |   |           |
|     | 3625 |       |   |               |          |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| Pen | Ray  | Tr    | C | *Erismodus*   | Middle   | 4 | 100-200 g |
| dle | S    | enton | u | sp. 2         | Ord      | . | sample    |
| ton | pona |       | t | elements;     | ovician; | 5 | processed |
|     | ugle |       | t |               | upper    |   | (4.0 g    |
| 071 | 1    |       | i | Indeterminate | *His     |   | +20-mesh, |
| -00 | (    |       | n | element       | tiodella |   | and 17.7  |
| 006 | 8800 |       | g | fragments -   | holo     |   | g of 20-  |
|     | -T); |       | s | 10            | dentata* |   | to        |
| U   |      |       |   |               | Zone to  |   | 200-mesh  |
| SGS | 100  |       |   |               | *Pl.     |   | insoluble |
| 11  | 40-1 |       |   |               | tenuis*  |   | residue   |
| 944 | 0250 |       |   |               | Zone     |   | remained) |
| -CO | ft   |       |   |               | (        |   |           |
|     |      |       |   |               | mid-Whit |   |           |
|     | 3    |       |   |               | erockian |   |           |
|     | 8.54 |       |   |               | to       |   |           |
|     | 805/ |       |   |               | She      |   |           |
|     |      |       |   |               | rmanian) |   |           |
|     | -    |       |   |               |          |   |           |
|     | 79.5 |       |   |               |          |   |           |
|     | 1278 |       |   |               |          |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| P   | No.  | Tr    | C | ?*D           | late     | 4 | 159.8 g   |
| res | A-1  | enton | u | repanoistodus | Middle   | . | sample    |
| ton | H.G. |       | t | suberectus*   | or Late  | 5 | processed |
|     | Wa   |       | t | (Branson &    | Ord      | - | (23.4 g   |
| 077 | lls; |       | i | Mehl); 1      | ovician; | 5 | +20-mesh, |
| -00 |      |       | n | dre           | *Ph.     |   | and 23.2  |
| 086 | 140  |       | g | panodontiform | undatus* |   | g of 20-  |
|     | 10-1 |       | s | element       | Zone to  |   | to        |
| U   | 4195 |       |   | fragment;     | end of   |   | 200-mesh  |
| SGS | ft   |       |   |               | Or       |   | insoluble |
| 11  |      |       |   | *Phragmodus   | dovician |   | residue   |
| 945 | 39   |       |   | undatus*      | (latest  |   | remained) |
| -CO | .466 |       |   | Branson &     | Blac     |   |           |
|     | 669/ |       |   | Mehl;         | kriveran |   |           |
|     |      |       |   |               | to       |   |           |
|     | -7   |       |   | 1-unassigned  | latest   |   |           |
|     | 9.87 |       |   | o             | Ga       |   |           |
|     | 0278 |       |   | istodontiform | machian) |   |           |
|     |      |       |   | element       |          |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| Ra  | WV   | Chazy | C | 2             | Pa       | 2 | 120.0 g   |
| ndo | B    |       | o | indeterminate | leozoic; | . | sample    |
| lph | oard |       | r | euconodont    | Or       | 5 | processed |
|     | of   |       | e | element       | dovician | - | (10.4 g   |
| 083 | Con  |       |   | fragments     | or       | 3 | +20-mesh, |
| -00 | trol |       |   |               | younger  |   | and 23.8  |
| 103 | (102 |       |   |               |          |   | g of 20-  |
|     | 28); |       |   |               |          |   | to        |
| U   |      |       |   |               |          |   | 200-mesh  |
| SGS | 126  |       |   |               |          |   | insoluble |
| 11  | 95.3 |       |   |               |          |   | residue   |
| 946 | ft   |       |   |               |          |   | remained) |
| -CO |      |       |   |               |          |   |           |
|     | 38   |       |   |               |          |   |           |
|     | .707 |       |   |               |          |   |           |
|     | 218/ |       |   |               |          |   |           |
|     |      |       |   |               |          |   |           |
|     | -    |       |   |               |          |   |           |
|     | 79.9 |       |   |               |          |   |           |
|     | 6917 |       |   |               |          |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| Ra  | WV   | Chazy | C | Barren        | Not      | n | 100-200 g |
| ndo | B    |       | o |               | de       | / | sample    |
| lph | oard |       | r |               | termined | a | processed |
|     | of   |       | e |               |          |   | (8.3 g of |
| 083 | Con  |       |   |               |          |   | 20- to    |
| -00 | trol |       |   |               |          |   | 200-mesh  |
| 103 | (102 |       |   |               |          |   | insoluble |
|     | 28); |       |   |               |          |   | residue   |
| no  |      |       |   |               |          |   | remained) |
| U   | 127  |       |   |               |          |   |           |
| SGS | 21.5 |       |   |               |          |   |           |
| co  | ft   |       |   |               |          |   |           |
| lln |      |       |   |               |          |   |           |
| \#  | 38   |       |   |               |          |   |           |
|     | .707 |       |   |               |          |   |           |
|     | 218/ |       |   |               |          |   |           |
|     |      |       |   |               |          |   |           |
|     | -    |       |   |               |          |   |           |
|     | 79.9 |       |   |               |          |   |           |
|     | 6917 |       |   |               |          |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| Ro  | J.W. | Tr    | C | *Panderodus   | late     | 3 | 140.5 g   |
| ane | Hein | enton | u | gracilis*     | Middle   |   | sample    |
|     | zman |       | t | (Branson &    | or Late  |   | processed |
| 087 | (40  |       | t | Mehl);        | Ord      |   | (29.3 g   |
| -00 | 53); |       | i |               | ovician; |   | +20-mesh, |
| 019 |      |       | n | *Phragmodus   | *Ph.     |   | and 24.2  |
|     | 8    |       | g | undatus*      | undatus* |   | g of 20-  |
| U   | 875- |       | s | Branson &     | Zone to  |   | to        |
| SGS | 9055 |       |   | Mehl          | end of   |   | 200-mesh  |
| 11  | ft   |       |   |               | Or       |   | insoluble |
| 947 |      |       |   |               | dovician |   | residue   |
| -CO |      |       |   |               | (latest  |   | remained) |
|     |      |       |   |               | Blac     |   |           |
|     |      |       |   |               | kriveran |   |           |
|     |      |       |   |               | to       |   |           |
|     |      |       |   |               | latest   |   |           |
|     |      |       |   |               | Ga       |   |           |
|     |      |       |   |               | machian) |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| Wa  | Cald | Tr    | C | *Plectodina   | late     | 1 | 136.4 g   |
| yne | well | enton | u | tenuis*       | Middle   | . | sample    |
|     | No.  |       | t | (Branson &    | or Late  | 5 | processed |
| 099 | 42   |       | t | Mehl)         | Ord      |   | (23.7 g   |
| -00 | (61  |       | i |               | ovician; | - | +20-mesh, |
| 465 | 81); |       | n |               | *Pl.     | 2 | and 24.0  |
|     |      |       | g |               | tenuis*  |   | g of 20-  |
| U   | 5    |       | s |               | Zone to  |   | to        |
| SGS | 101- |       |   |               | end of   |   | 200-mesh  |
| 11  | 5272 |       |   |               | Or       |   | insoluble |
| 948 | ft   |       |   |               | dovician |   | residue   |
| -CO |      |       |   |               | (Kirk    |   | remained) |
|     | 37   |       |   |               | fieldian |   |           |
|     | .892 |       |   |               | to       |   |           |
|     | 224/ |       |   |               | Ga       |   |           |
|     |      |       |   |               | machian) |   |           |
|     | -    |       |   |               |          |   |           |
|     | 82.3 |       |   |               |          |   |           |
|     | 9389 |       |   |               |          |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| W   | Hope | Tr    | c | *D            | late     | 3 | ca. 300 g |
| ood | Nat. | enton | o | repanoistodus | Middle   |   | sample    |
|     | Gas  |       | r | suberectus*   | or Late  | - | processed |
| 107 | Co.  |       | e | (Branson &    | Ord      | 3 | (112.7 g  |
| -00 | 9    |       |   | Mehl);        | ovician; | . | +20-mesh, |
| 351 | 634; |       |   |               | *Ph.     | 5 | and 64.1  |
|     |      |       |   | *             | undatus* |   | g of 20-  |
| U   | 953  |       |   | \"Oistodus\"* | Zone to  |   | to        |
| SGS | 2-95 |       |   | sp. A of S.A. | *O.      |   | 200-mesh  |
| 11  | 43.6 |       |   | Leslie        | vel      |   | insoluble |
| 949 | ft   |       |   | (2000);       | icuspus* |   | residue   |
| -CO |      |       |   |               | Zone     |   | remained) |
|     | 39   |       |   | *Panderodus   | (latest  |   |           |
|     | .256 |       |   | gracilis*     | Blac     |   |           |
|     | 945/ |       |   | (Branson &    | kriveran |   |           |
|     |      |       |   | Mehl);        | to       |   |           |
|     | -81. |       |   |               | Mays     |   |           |
|     | 2725 |       |   | *Periodon     | villian) |   |           |
|     |      |       |   | grandis*      |          |   |           |
|     |      |       |   | (Ethington);  |          |   |           |
|     |      |       |   |               |          |   |           |
|     |      |       |   | *Phragmodus   |          |   |           |
|     |      |       |   | undatus*      |          |   |           |
|     |      |       |   | Branson &     |          |   |           |
|     |      |       |   | Mehl          |          |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| W   | Hope | B     | c | BARREN        | Not      | N | ca. 300 g |
| ood | Nat. | eekma | o |               | de       | / | sample    |
|     | Gas  | ntown | r |               | termined | A | processed |
| 107 | Co.  |       | e |               |          |   | (32.8 g   |
| -00 | 9    |       |   |               |          |   | of 20- to |
| 351 | 634; |       |   |               |          |   | 200-mesh  |
|     |      |       |   |               |          |   | insoluble |
| no  | 107  |       |   |               |          |   | residue   |
| U   | 96.0 |       |   |               |          |   | remained) |
| SGS | ft   |       |   |               |          |   |           |
| co  |      |       |   |               |          |   |           |
| lln | 39   |       |   |               |          |   |           |
| \#  | .256 |       |   |               |          |   |           |
|     | 945/ |       |   |               |          |   |           |
|     |      |       |   |               |          |   |           |
|     | -81. |       |   |               |          |   |           |
|     | 2725 |       |   |               |          |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+
| W   | E    | Tr    | C | *Am           | late     | 2 | 195.3 g   |
| ood | xxon | enton | u | orphognathus* | Middle   |   | sample    |
|     | No.  |       | t | sp.;          | or Late  | - | processed |
| 107 | 1    |       | t |               | Ord      | 2 | (50.7 g   |
| -00 | D    |       | i | *D            | ovician; | . | +20-mesh, |
| 756 | eem; |       | n | repanoistodus | *Ph.     | 5 | and 24.0  |
|     |      |       | g | suberectus*   | undatus* |   | g of 20-  |
| U   | 8    |       | s | (Branson &    | Zone to  |   | to        |
| SGS | 550- |       |   | Mehl);        | end of   |   | 200-mesh  |
| 11  | 8660 |       |   |               | Or       |   | insoluble |
| 950 | ft   |       |   | *Phragmodus   | dovician |   | residue   |
| -CO |      |       |   | undatus*      | (latest  |   | remained) |
|     | 39   |       |   | Branson &     | Blac     |   |           |
|     | .080 |       |   | Mehl          | kriveran |   |           |
|     | 553/ |       |   |               | to       |   |           |
|     |      |       |   |               | latest   |   |           |
|     | -8   |       |   |               | Ga       |   |           |
|     | 1.50 |       |   |               | machian) |   |           |
|     | 8331 |       |   |               |          |   |           |
+-----+------+-------+---+---------------+----------+---+-----------+

[^1]: Because all samples are from West Virginia, the state API prefix,
    047-, was omitted for brevity.