Walker's Tank, TMM 41966 (Triassic of the United States)

Also known as Trilophosaurus holotype, Red Tank, Walkers Tank

Where: Crosby County, Texas (33.4° N, 101.1° W: paleocoordinates 8.1° N, 41.3° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Tecovas Formation (Dockum Group), Norian (228.0 - 208.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by R. C. Hussey, E. Case in 1925; reposited in the UMMP

Primary reference: A. S. Warthin. 1928. Fossil fishes from the Triassic of Texas. Contributions from the Museum of Paleontology, University of Michigan 3(2):15-18 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 94493: authorized by Richard Butler, entered by Richard Butler on 23.02.2010, edited by Bethany Allen

Creative Commons license: CC BY (attribution)

Taxonomic list

Coelacanthimorpha
 Coelacanthiformes - Mawsoniidae
Chinlea sorenseni3 Schaeffer 1967 coelacanth
Cleithrum
Osteichthyes
 Ceratodontiformes - Arganodontidae
"Ceratodus crosbiensis n. sp." = Arganodus dorotheae
"Ceratodus crosbiensis n. sp." = Arganodus dorotheae Case 1921 Australian lungfish
UMMP 9634
Reptilia
 Pseudosuchia -
"Desmatosuchus haplocerus" = Episcoposaurus haplocerus2
"Desmatosuchus haplocerus" = Episcoposaurus haplocerus2 Cope 1892 aetosaur
UMMP 16149, scapula, 16147, cervicals. TTUP 9223, paramedian plate.
 Pseudosuchia - Stagonolepididae
"Stagonolepis wellesi" = Calyptosuchus wellesi2
"Stagonolepis wellesi" = Calyptosuchus wellesi2 Long and Ballew 1985 aetosaur
UMMP 10188, plate
 Diapsida -
Trilophosaurus buettneri n. gen. n. sp.1
Trilophosaurus buettneri n. gen. n. sp.1 Case 1928 archosauromorph
UMMP 2338, dentary fragment
 Diapsida - Trilophosauridae
Spinosuchus caseanus4 Huene 1932 archosauromorph
YPM 6592, two neural spines
Osteichthyes
  -
Colognathus obscurus2 Case 1928 amniote
Amphibia
 Temnospondyli - Metoposauridae
"Buettneria perfecta" = Anaschisma browni2
"Buettneria perfecta" = Anaschisma browni2 Branson 1905 tetrapod
UMMP 1410, clavicle and interclavicle