Gwynedd (Triassic of the United States)

Where: Montgomery County, Pennsylvania (40.2° N, 75.3° W: paleocoordinates 14.7° N, 20.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lockatong Formation (Chatham Group), Norian (228.0 - 208.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithified, gray claystone

• "a bed of very hard indlurated siliceous clay, of a dark gray color, which intervenies betweell the usual redder strata"

Size class: macrofossils

Collected by I. Lea

Primary reference: E. D. Cope. 1866. [On the Mesozoic Red Sandstone of Pennsylvania]. Proceedings of the Academy of Natural Sciences of Philadelphia 18:290 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 106284: authorized by Matthew Carrano, entered by Matthew Carrano on 06.03.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Diapsida -
"Pterodactylus longispinis n. sp." = Rhabdopelix longispinis
"Pterodactylus longispinis n. sp." = Rhabdopelix longispinis Cope 1866 archosauromorph
May represent the same taxon as Tanytrachelos