# Campbellton Formation

The Campbellton Formation is a geologic formation in New Brunswick. It preserves fossils dating back to the latest Pragian and Emsian of the Devonian period.

## Description

The Campbellton Formation is the southernmost representative of the Gaspé Sandstones group and can be divided into 6 facies associations (restricted lacustrine, marginal lacustrine, near-shore lacustrine, coastal-deltaic, sandy to gravelly alluvial plain, and gravelly proximal alluvial environments), and is nearly a kilometer thick. Lacustrine facies are prevalent in the lower parts of the eastern belt (representing a large open lake) while upper parts of the formation are dominated by alluvial facies (representing an eastward-flowing axial braided river system).

## Fossil content
### Vertebrates

Acanthodians :
| Genus | Species | Presence | Material | Notes |
| Ankylacanthus | A. incurvus | Atholville Beds. | Fin spines. | A possible gyracanthid, formerly known as Gyracanthus incurvus. |
| Cheiracanthus? | C.? costellatus | | | |
| Mesacanthus | M. semistriatus | | | |
Chondrichthyans :
| Genus | Species | Presence | Material | Notes | Images |
| Doliodus | D. latispinosus | | Fin spines. | Also known from the York River and Battery Point formations. | |
| Protodus | P. jexi | "Atholville Beds, shoreline approximately 1.3 km W of the interprovincial bridgecrossing the Restigouche River, near Campbellton". | Isolated teeth. | A protodontid. | |
Ostracoderms :
| Genus | Species | Notes |
| Yvonaspis | Y. campbelltonensis | A cephalaspid, formerly listed as a species of Cephalaspis. |
| Yvonaspis | Y. jexi | A cephalaspid, formerly listed as a species of Cephalaspis. |
| Yvonaspis | Y. westolli | A cephalaspid, formerly listed as a species of Cephalaspis. |
Placoderms :
| Genus | Species | Material | Notes |
| Phlyctaenius | P. acadicus | Fragments of exoskeleton and dermal plates. | A phlyctaeniid. |
| Phlyctaenius | P. atholi | Fragments of exoskeleton and dermal plates. | A phlyctaeniid. |
| Phlyctaenius | P. stenosus | Fragments of exoskeleton and dermal plates. | A phlyctaeniid. |

### Invertebrates

Arthropods :
| Genus | Species | Presence | Material | Notes |
| Eoarthropleura | | Near the Dalhousie Junction and Point la Nim areas. | | An arthropleurid. |
| Gaspestria | G. genselorum | | | A millipede. |
| Millipede | Unnamed. | | 4 detailed impression fossils. | |
| cf. Parahughmilleria | cf. P. sp. | "Point La Nim (48°03.97’N; 66°24.78’W), west of Dalhousie, New Brunswick". | "Specimen NBMG 11012 consists of a part and counterpart of an articulated partial preabdomen of the opisthosoma". | A eurypterid. |
| Primitia | P. mundula | | Disarticulated valves. | An ostracod. |
| Primitia | P. scaphoides | | Disarticulated valves. | An ostracod. |
| Pterygotus | P. anglicus | Atholville beds near the western end of the Campbellton Formation exposure. | | A eurypterid. |
| Pterygotus | P. sp. | | | A eurypterid. |
| Scorpion | Unnamed | Near the Dalhousie Junction and Point la Nim areas. | | A scorpion with book lungs preserved. |
Molluscs :
| Genus | Species | Presence | Material | Notes | Images |
| Cyclora | C. valvatiformis | | | A gastropod. | |
| Cyclora | C. imbricata | | | A gastropod. | |

### Plants

Plants :
| Genus | Species | Presence | Material | Notes |
| Bitelaria | B. dubjanskii | Facies 1. | | A tracheophyte. |
| Chaleuria | C. cirrosa | Facies 5. | | A tracheophyte. |
| Drepanophycus | D. gaspianus | Facies 1, 2, 3 and 5. | | A drepanophycale. |
| Drepanophycus | D. spinaeformis | Facies 1, 2, 3, 5 and 6. | | A drepanophycale. |
| Drepanophycus | D. sp. | Facies 1 and 5. | | A drepanophycale. |
| Kaulangiophyton | | Facies 1. | | A tracheophyte. |
| Leclercqia | L. complexa | Facies 1 and 4. | | A protolepidodendrale. |
| Leclercqia | L. andrewsii | Facies 1. | | A protolepidodendrale. |
| Loganophyton | L. dawsoni | Facies 1, 4 and 5. | | A tracheophyte. |
| Omniastrobus | O. dawsonii | | "Impressions of strobili with numerous carbonized spore masses". | |
| Oocampsa | O. catheta | "About ½ mi west of Dalhousie Junction." | | A tracheophyte. |
| Oricilla | O. bilinearis | Facies 1 and 5. | | A zosterophyll. |
| Pachytheca | | Facies 2. | | |
| Pertica | P. dalhousii | Facies 5. | | A tracheophyte. |
| Psilophyton | P. coniculum | Facies 6. | | A trimerophytopsid. |
| Psilophyton | P. charientos | Facies 1. | | A trimerophytopsid. |
| Psilophyton | P. princeps | Facies 1, 3, 5 and 6. | | A trimerophytopsid. |
| Psilophyton | P. sp. | Facies 1 and 5. | | A trimerophytopsid. |
| Sawdonia | S. acanthotheca | Facies 1 and 2. | | A zosterophyll. |
| Sawdonia | S. ornata | Facies 1 and 5. | | A zosterophyll. |
| Spongiophyton | S. minutissimum | Facies 1, 2 and 6. | | |
| Taeniocrada | T. dubia | Facies 2 and 5. | | A tracheophyte. |
| Trimerophyton | T. robustius | Facies 4. | | A trimerophytopsid. |
| Zosterophyllum | Z. divaricatum | "South shore of the Restigouche River near Dalhousie, New Brunswick". | | A zosterophyll. |
Fungi :
| Genus | Species | Presence | Material | Notes | Images |
| Prototaxites | | Facies 2 and 6. | | | |