YPM No. 21280
Holotype

Myalia? (Gervillia) perplana
Whitfield

Ident.: Whitfield, R.P. 1876
U.S. War Department
p.143, pl.1, f.8
Accn. No. 0806 Orig. Catalog No. YPM 21280
Specimen Nature: Items: 1

Middle Jurassic Ellis Grp
Piper Fm

E

Loc. C0516, first. Is. on [westward] ascent. up
side of Bridger Mt, [either A8653 or C0515,
probably A8653 based on lithology]

Gallatin Co Montana United States

Collector: Dana E.S. & Grinnell, G.B.

Collection Date: Sep05 1875

Invertebrate Paleontology
YALE PEABODY MUSEUM

2/280
Myalia? (Gervillia) perplana, Whitfield.
Holotype:
Figured: Ludlow's Report, Plats I, 
Figure 8, 1876.

806
Jurassic, Bridger
Mountains, Montana.

2/280
YALE COLLEGE MUSEUM, 1805
Holotype. Ludlow's Rep. Pl. II, fig. 8.
Name, Myalia? (Gervillia) perplana, Whitfield.
Formation, Jurassic.
Locality, Bridger Mountains, Montana.
Donors T Collins, E.S. Dana, G. B. Grinnell.

Myalia, (Gervillia) perplana
Whitfield

YPM IP
021280