PBDB Collection

Head of Holmes Creek: Carnian - Norian, Texas
collected by Doughty, Case, WPA 1919, 1921, 1940

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Dipnomorpha - Arganodontidae

	Ceratodus dorotheae n. sp. Case 1921	Case 1921	1 individual
	recombined as Arganodus dorotheae
	UMMP 7324
Reptilia

	Promystriosuchus ehleri n. gen., n. sp.	Case 1922	1 individual
	UMMP 7487
Reptilia - Parasuchidae

	Leptosuchus crosbiensis n. sp. Case 1922	Case 1922	1 individual
	UMMP 7522, skull

	Phytosaurus doughtyi n. sp. Case 1920		1 individual
	synonym of Leptosuchus crosbiensis
	AMNH FR 4919, skull
Reptilia

	Postosuchus kirkpatricki Chatterjee 1985	Long and Murry 1995	1 individual
	UMMP 7266, pair of ilia with sacrum

	Parasuchia indet. Huxley	Case 1922	2 specimens
	UMMP 7470, partial skeleton with armour. UCMP 11351, scute
	= Stagonolepis wellesi Long and Ballew 1985	Long and Murry 1995
	original and current combination Calyptosuchus wellesi

	Vancleavea campi Long and Murry 1995	Long and Murry 1995	1 individual
	UMMP 7278, anterior dorsal centrum
unclassified

	Xenognathus obscurus n. gen., n. sp. Case 1928	Case 1928	1 individual
	recombined as Colognathus obscurus
	UMMP 7506
Amphibia - Temnospondyli - Metoposauridae

	Buettneria sp. Case 1922	Anonymous 1940	1 specimen
	synonym of Anaschisma

	Metoposaurus jonesi n. sp. Case 1920	Case 1920	1 individual
	nomen dubium belonging to Metoposauridae
	UMMP 3814
Chondrichthyes - Hybodontiformes - Lonchidiidae

	Lonchidion humblei n. sp. Murry 1981	Murry 1981	30 specimens
	SMUSMP 67951 (holotype), tooth. SMUSMP 66559, 66690, 67952-67954, 67462-67484, 67955
see common names

Geography

Country:	United States	State/province:	Texas	County:	Crosby
Coordinates:	33.4° North, 101.1° West (view map)
Paleocoordinates:	6.2° North, 39.8° West
Basis of coordinate:	based on nearby landmark
Geographic resolution:	outcrop

Time

Period:	Triassic	Epoch:	Late/Upper Triassic

Key time interval:	Carnian - Norian
Age range of interval:	237.00000 - 208.50000 m.y. ago

Stratigraphy

Geological group:	Dockum	Formation:	Tecovas
Stratigraphic resolution:	bed
Stratigraphy comments: "Adamanian"

Lithology and environment

Primary lithology:	yellow sandy claystone
Includes fossils?	Y
Lithology description: "yellowish sandy clay"
Environment:	channel lag
Geology comments: "evidently a bit of an old sand-bar, or an accumulation of sandy clay in some small depression which has been well leached by percolating waters"

Taphonomy

Modes of preservation:	body,soft parts
Size of fossils:	macrofossils,mesofossils
Preservation of anatomical detail:	good
Associated major elements:	some
Disassociated major elements:	some
Disassociated minor elements:	some
Fragmentation:	frequent

Collection methods and comments

Collection excludes:	some macrofossils
Collection methods:	selective quarrying,surface (in situ),mechanical,field collection
Reason for describing collection:	taxonomic analysis
Museum repositories:	AMNH,UMMP
Collectors:	Doughty, Case, WPA	Collection dates:	1919, 1921, 1940
Taxonomic list comments:also includes coprolites of unknown origin; also "bones and teeth of reptiles and amphibians"

Metadata

Also known as:	Home Creek, WPA, Work Project No. 15995, Swenson ranch, Site 1, Kalgary
Database number:	71976
Authorizer:	M. Carrano, R. Butler	Enterer:	M. Carrano, R. Butler
Modifier:	M. Carrano	Research group:	vertebrate
Created:	2007-05-18 13:38:08	Last modified:	2022-01-14 12:52:17
Access level:	the public	Released:	2007-05-18 13:38:08
Creative Commons license:	CC BY

Reference information

Primary reference:

37029.

E. C. Case. 1920. Preliminary description of a new suborder of phytosaurian reptiles with a description of a new species of Phytosaurus. Journal of Geology 28(6):524-535 [M. Carrano/M. Carrano]

Secondary references:

71466		Anonymous. 1940. The seventh quarterly report covering the quarter ending December 31, 1940 for the state-wide paleontologic-mineralogic survey in Texas. A Federal Works Agency Work Projects Administration Project. O.P. No. 665-66-3-233. State Serial No. 300-88 1-44 [M. Carrano/M. Carrano]
71464		Anonymous. 1940. The sixth quarterly report covering the quarter ending September 30, 1940 for the state-wide paleontologic-mineralogic survey in Texas. A Federal Works Agency Work Projects Administration Project. O.P. No. 665-66-3-233. State Serial No. 300-88 1-44 [M. Carrano/M. Carrano]
71468		Anonymous. 1941. The ninth quarterly report covering the quarter ending June 30, 1941 for the state-wide paleontologic-mineralogic survey in Texas. A Federal Works Agency Work Projects Administration Project. O.P. No. 665-66-3-233. State Serial No. 300-88 1-41 [M. Carrano/M. Carrano]
37028		E. C. Case. 1920. On a very perfect thoracic shield of a large labyrinthodont in the geological collections of the University of Michigan. Occasional Papers of the Museum of Zoology, University of Michigan 82:1-3 [M. Carrano/M. Carrano/M. Carrano]
37030		E. C. Case. 1921. A new species of Ceratodus from the Upper Triassic of western Texas. Occasional Papers of the Museum of Zoology, University of Michigan 101:1-2 [M. Carrano/M. Carrano]
24339	ETE	E. C. Case. 1922. New reptiles and stegocephalians from the Upper Triassic of western Texas. Carnegie Institute of Washington Publication 221:1-84 [M. Carrano/M. Carrano]
43383		E. C. Case. 1928. Indications of a cotylosaur and of a new form of fish from the Triassic Beds of Texas, with remarks on the Shinarump conglomerate. Contributions of the Museum of Paleontology of the University of Michigan 3:1-14 [R. Butler/R. Butler]
16923	ETE	F. v. Huene. 1926. Notes on the age of the continental Triassic beds in North America with remarks on some fossil vertebrates. Proceedings of the United States National Museum 69(18):1-10 [M. Carrano/M. Carrano]
31344		A. P. Hunt, A. B. Heckert, S. G. Lucas and A. Downs. 2002. The distribution of the enigmatic reptile Vancleavea in the Upper Triassic Chinle Group of the western United States. In A. B. Heckert, S. G. Lucas (eds.), Upper Triassic Stratigraphy and Paleontology, New Mexico Museum of Natural History and Science Bulletin 21:269-273 [R. Butler/R. Butler]
31345		A. P. Hunt, S. G. Lucas, and J. A. Spielmann. 2005. The holotype specimen of Vancleavea campi from Petrified Forest National Park, Arizona, with notes on the taxonomy and distribution of the taxon. In A. B. Heckert, S. G. Lucas (eds.), Vertebrate Paleontology in Arizona. New Mexico Museum of Natural History and Science Bulletin 29:59-66 [R. Butler/R. Butler]
14122	ETE	R. A. Long and P. A. Murry. 1995. Late Triassic (Carnian and Norian) Tetrapods from the Southwestern United States. New Mexico Museum of Natural History and Science Bulletin 4:1-254 [M. Carrano/M. Carrano/P. Wagner]
43402		P. A. Murry. 1981. A new species of freshwater hybodont from the Dockum Group (Triassic) of Texas. Journal of Paleontology 55(3):603-607 [R. Butler/R. Butler]
71494		E. H. Sellards. 1941. Final report covering the period from March 4, 1939 ro September 30, 1941 for the state-wide paleontologic-mineralogic survey in Texas. A Federal Works Agency Work Projects Administration Project iii-85 [M. Carrano/M. Carrano]