Pomona Terra-cotta (Pomona B) (Triassic of the United States)

Also known as Pomona Pipe Products Co. clay pit

Where: Chatham County, North Carolina (35.6° N, 79.3° W: paleocoordinates 0.5° N, 17.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pekin Formation (Chatham Group), Carnian (237.0 - 228.0 Ma)

• "localized deposit" near middle of formation, about 40 m below "Pomona A" level; type of "Sanfordian" LVF

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; brown, red claystone

• "reddish-brown clay-shale"

Size classes: macrofossils, mesofossils

Collected by Russell & Patterson in 1965-1967; reposited in the AMNH

Collection methods: salvage,

Primary reference: D. Baird and O. F. Patterson. 1967. Dicynodont-archosaur fauna in the Pekin Formation (Upper Triassic) of North Carolina. Geological Society of America Special Paper 115:11 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 46567: authorized by Matthew Carrano, entered by Matthew Carrano on 19.01.2005, edited by Richard Butler

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Palaeonisciformes - Redfieldiidae
Redfieldiidae indet.1 Hutchinson 1973
scales
Reptilia
 Phytosauria -
Phytosauria indet.2 archosaur
AMNH 2807, 2808, cranial fragments. AMNH 2803, scute
Phytosauria indet.4 archosaur
 Pseudosuchia -
Rauisuchia indet.4 archosaur
"large carnivorous dinosaur"
 Pseudosuchia - Stagonolepididae
Lucasuchus hunti3 Long and Murry 1995 aetosaur
Osteichthyes
 Dicynodontia - Stahleckeriidae
Placerias cf. hesternus4 Lucas 1904 dicynodont
several individuals
Bivalvia
 Unionida - Unionidae
Unionidae indet.1 Rafinesque 1820 freshwater mussel