Lungfish Locality (SMU Loc. 227) (Triassic of the United States)

Also known as Petrified Forest, Fossil Cove

Where: Navajo County, Arizona (35.1° N, 109.8° W: paleocoordinates 10.7° N, 48.3° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Petrified Forest Member (Chinle Formation), Norian (228.0 - 208.5 Ma)

• approx. 50 ft (15.2 m) below "painted desert sandstone number two"; two fossiliferous beds < 1 m apart

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; red, yellow claystone and brown, red, calcareous claystone

• "two bone bearing horizons; base of fossiliferous section with noncalcareous claystone (yellowish red 5 YR 4/6) grading into fossiliferous calcareous claystone (reddish brown 5 YR 4/3; Lungfish Locality 'A')"

Size classes: macrofossils, mesofossils

Collected by P. A. Murry

Primary reference: P. A. Murry and R. A. Long. 1989. Geology and paleontology of the Chinle Formation, Petrified Forest National Park and vicinity, Arizona and a discussion of vertebrate fossils of the southwestern Upper Triassic. In S. G. Lucas and A. P. Hunt (eds.), Dawn of the Age of Dinosaurs in the American Southwest, New Mexico Museum of Natural History, Albuquerque 29-64 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 84263: authorized by Matthew Carrano, entered by Matthew Carrano on 02.10.2008, edited by Richard Butler

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Ceratodontiformes - Arganodontidae
Arganodontidae indet. Martin 1982 Australian lungfish
PEFO 3852-56, 3859, 3861-63, 3866-84
Arganodus sp.2 Martin 1979 Australian lungfish
PEFO 3857-58
? Arganodus sp.2 Martin 1979 Australian lungfish
PEFO 3860, 3864-65
Reptilia
 Phytosauria - Parasuchidae
"Pseudopalatinae indet." = Mystriosuchini1
"Pseudopalatinae indet." = Mystriosuchini1 Huene 1915 archosaur
 Eosuchia - Sphenodontidae
Sphenodontidae indet.2 Cope 1871 lepidosaur
Amphibia
 Temnospondyli - Metoposauridae
Apachesaurus gregorii1 Hunt 1993 tetrapod
Chondrichthyes
 Hybodontiformes - Acrodontidae
Acrodus sp. Agassiz 1834 elasmobranch
PEFO 3830-31
? Acrodus sp.2 Agassiz 1834 elasmobranch
PEFO 3900