Otis Chalk 9 (Triassic to of the United States)

Where: Howard County, Texas (32.2° N, 101.2° W: paleocoordinates 4.9° N, 40.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Colorado City Formation (Dockum Group), Carnian to Carnian (237.0 - 208.5 Ma)

• Otischalkian LVF

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandy mudstone and fine-grained sandstone

Size class: macrofossils

Collected by R. Kahle

Collection methods: quarrying, surface (in situ),

• Specimen housed in private collection

Primary reference: S. G. Lucas, A. B. Heckert, and R. Kahle. 2002. Postcranial anatomy of Angistorhinus, a Late Triassic phytosaur from West Texas. In A. B. Heckert, S. G. Lucas (eds.), Upper Triassic Stratigraphy and Paleontology, New Mexico Museum of Natural History and Science Bulletin 21:157-164 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93600: authorized by Richard Butler, entered by Richard Butler on 26.01.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Phytosauria - Parasuchidae
Angistorhinus grandis Mehl 1913 archosaur
Complete skull and incomplete postcranial skeleton