NMMNH L-425, Garita Creek (Triassic of the United States)

Where: San Miguel County, New Mexico (35.3° N, 104.3° W: paleocoordinates 10.3° N, 43.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Garita Creek Formation (Chinle Group), Norian (228.0 - 208.5 Ma)

• Recent radiometric dating suggests a Norian age for most or all of the Chinle. The Garita Creek Formation was formerly referred to as the "lower shale member of the Chinle Formation"

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; conglomerate

• All specimens are from intraformational conglomerates

Size class: macrofossils

Reposited in the NMMNH

Primary reference: A. P. Hunt, S. G. Lucas, and P. L. Sealey. 1989. Paleontology and vertebrate biochronology of the Upper Triassic Garita Creek Formation, east-central New Mexico. New Mexico Journal of Science 29(2):61-68 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93608: authorized by Richard Butler, entered by Richard Butler on 26.01.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Amphibia
 Temnospondyli - Metoposauridae
Metoposauridae indet. Watson 1919 tetrapod
NMMNH P-17538, 3669, nine skull fragments
Reptilia
  -
Reptilia indet. Laurenti 1768 reptile
NMMNH P-17534, 17506, 17504
 Phytosauria - Parasuchidae
"Phytosauridae indet." = Mystriosuchinae
"Phytosauridae indet." = Mystriosuchinae von Huene 1915 archosaur
NMMNH P-17553, 17539, 17528, 17516, 17522, scute fragments, vertebrae, teeth
 Loricata - Rauisuchidae
Rauisuchidae indet. rauisuchid
NMMNH P-4963, teeth
 Pseudosuchia - Stagonolepididae
Stagonolepididae indet. Lydekker 1887 aetosaur
NMMNH P-17518, 17507, bone and plate fragments
Osteichthyes
 Ceratodontiformes - Arganodontidae
Arganodus sp. Martin 1979 Australian lungfish
NMMNH P-3676, two toothplates