Hassac's Creek, Upper Milford, Conewago Hills (Triassic of the United States)

Where: Lehigh County, Pennsylvania (40.5° N, 75.5° W: paleocoordinates 15.0° N, 20.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• lower Passaic Formation according to Olsen (1988: Paleoecology and Paleoenvironments of the Continental Early Mesozoic Newark Supergroup of Eastern North America: In ed. W. Manspeizer, Triassic-Jurassic Rifting and the opening of the Atlantic Ocean, Elsevier, Amsterdam, p. 185-230.)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; calcareous conglomerate

Size class: macrofossils

Collected by J. Y. Shelley, I. Lea in 1847

Collection methods: surface (in situ),

Primary reference: I. Lea. 1851. Remarks on the bones of a fossil reptilian quadruped. Proceedings of the Academy of Natural Sciences of Philadelphia 5:171-172 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107423: authorized by Richard Butler, entered by Richard Butler on 07.04.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Phytosauria -
Clepsysaurus pennsylvanicus n. gen. n. sp. Lea 1851 archosaur
ANSP 9526, 9555-71, 9594, 9595, 15529, teeth and isolated postcrania