PBDB Collection

NMMNH L-1430, Upper Kalgary: Norian, Texas

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

unclassified

	Spirorbidae indet.		1 specimen
	NMMNH P-26446; "spirorbid worms" (probably vermetiform gastropods)

	Vertebrata indet. (Lamarck 1801)	Heckert 2004	3 specimens
	NMMNH P-34160, 34390-91
Osteichthyes

	Osteichthyes indet. Huxley 1880	Heckert 2004	4 elements
	NMMNH P-26368, 26372-74
Amphibia - Temnospondyli

	Buettneria sp. Case 1922		8 specimens
	= Temnospondyli indet. von Zittel 1887	Heckert 2004
	NMMNH P-26349, 26353, 41484-86
unclassified

	Colognathus obscurus (Case 1928)	Heckert 2004	2 specimens
	NMMNH P-26418, 26442
Reptilia

	Reptilia indet. Laurenti 1768	Heckert 2004	36 specimens
	NMMNH P-25756, 26327, 26348, 26321, 26323-30, 26332-34, 26336-39, 26341, 26343, 26348, 26356, 26362-64, 34421, 34423, 41487-89

	Archosauromorpha indet. Huene 1946	Heckert 2004	3 specimens
	NMMNH P-26437

	Trilophosaurus sp. Case 1928		7 specimens
	= Trilophosaurus buettneri Case 1928	Heckert 2004
	NMMNH P-26422, 34074-75, 34373-76

	Trilophosaurus jacobsi Murry 1987	Heckert et al. 2006	2 specimens
	NMMNH P-34073, 34372

	Ornithischia indet. Seeley 1888	Heckert 2004	13 specimens
	NMMNH P-26398, 26401-02, 26393, 34369, 34382, 34405, 34152, 34407, 34410
	= Archosauriformes indet. Gauthier 1986	Butler 2010

	Archosauriformes informal indet. J Gauthier 1986	Heckert 2004	2 specimens
	NMMNH P-26399, 34415

	Archosauriformes informal indet. K Gauthier 1986	Heckert 2004	1 specimen
	NMMNH P-34418

	Archosauriformes informal indet. L Gauthier 1986	Heckert 2004	4 specimens
	NMMNH P-34417

	Archosauriformes informal indet. M Gauthier 1986	Heckert 2004	1 specimen
	NMMNH P-34419

	Archosauriformes informal indet. Q Gauthier 1986	Heckert 2004	1 specimen
	NMMNH P-34420

	Archosauriformes informal indet. R Gauthier 1986	Heckert 2004	1 specimen
	NMMNH P-34368

	Archosauriformes informal indet. S Gauthier 1986	Heckert 2004	1 specimen
	NMMNH P-26438

	Archosauriformes informal indet. H Gauthier 1986	Heckert 2004	11 specimens
	NMMNH P-26344, 34368, 34370, 34416, 41713-14

	Archosauriformes informal indet. T Gauthier 1986	Heckert 2004	4 specimens
	NMMNH P-34371

	? Theropoda indet. Marsh 1881	Heckert 2004	6 specimens
	NMMNH P-34154, 26340-41, 26443
	= Archosauriformes indet. Gauthier 1986	Butler 2010

	Prosauropoda indet. Huene 1920	Harris et al. 2002	5 specimens
	NMMNH P-26400, 34401-03, 34421
	= Archosauriformes indet. Gauthier 1986	Nesbitt et al. 2007
	NMMNH P-26347, 31650 add to separate line

	Tecovasaurus murryi n. gen., n. sp. Hunt and Lucas 1994	Hunt and Lucas 1994	5 specimens
	NMMNH P-18192-93, 18196, 26415, 26417
Reptilia - Phytosauridae

	Phytosauria indet. Jaeger 1828		96 specimens
	= Phytosauridae indet. Jaeger 1828	Heckert 2004
	replaced by Mystriosuchinae
	NMMNH P-25758, 26355, 26439, 26403-10, 34159, 34412-13
Reptilia

	aff. Pekinosaurus olseni Hunt and Lucas 1994	Heckert 2004	1 specimen
	nomen dubium belonging to Revueltosaurus
	NMMNH P-34406
Reptilia - Stagonolepididae

	? Stagonolepididae indet. Lydekker 1887	Heckert 2004	1 specimen
	NMMNH P-34414
Reptilia

	aff. Crosbysaurus harrisae Heckert 2004	Heckert 2004	11 specimens
	NMMNH P-26394-95, 26397, 41716-19

	Crosbysaurus harrisae Heckert 2004	Heckert 2004	3 specimens
	NMMNH P-26396, 34408-09

	Protecovasaurus lucasi Heckert 2004	Heckert 2004	1 specimen
	NMMNH P-26441

	Lepidosauria indet. (Haeckel 1866)	Heckert 2004	1 specimen
	NMMNH P-26420

	? Lepidosauria indet. (Haeckel 1866)	Heckert 2004	2 specimens
	NMMNH P-26419, 34381
Reptilia - Sphenodontidae

	aff. Clevosaurus latidens Fraser 1993	Heckert 2004	1 specimen
	recombined as Fraserosphenodon latidens
	NMMNH P-26412
Reptilia - Sphenodontia

	Sphenodontidae indet. Cope 1871		20 specimens
	two forms
	= Sphenodontia indet. Jaekel 1910	Heckert 2004
	NMMNH P-26411, 26413-16, 26424, 26426, 34367, 34377, 41712
Reptilia

	Planocephalosaurus lucasi n. sp. Heckert 2004	Heckert 2004	2 specimens
	NMMNH P-26425, 41711

	aff. Diphydontosaurus sp. Whiteside 1986	Heckert 2004	1 specimen
	NMMNH P-26423
Reptilia - Procolophonidae

	Procolophonidae indet. Lydekker 1889	Heckert 2004	2 specimens
	NMMNH P-34151, 26421
Cynodontia

	Pterosauria indet. Kaup 1834		1 specimen
	like Eudimorphodon
	= Cynodontia indet. Owen 1861	Heckert 2004
	NMMNH P-34388

	? Cynodontia indet. Owen 1861	Heckert 2004	1 specimen
	NMMNH P-34384
unclassified

	Adelobasileus cromptoni n. gen., n. sp. Lucas and Hunt 1990		1 specimen
Dromatheriidae

	? Dromatheriidae indet. Gill 1872	Heckert 2004	2 specimens
	NMMNH P-34385-86
Coelacanthimorpha - Coelacanthiformes - Coelacanthidae

	cf. Quayia zideki Hunt 1997	Mutter and Heckert 2006	1 specimen
	NMMNH P-26385
Dipnomorpha - Arganodontidae

	Arganodus aff. dorotheae (Case 1921)	Heckert 2004	1 element
	NMMNH P-26385
Actinopterygii

	Actinopterygii indet. Cope 1887	Heckert 2004	48 elements
	NMMNH P-26435, 26433, 26350-52, 26354, 26357-61, 26364-66, 26375, 34364-65, 34380, 34411, 41477-79, 41481-83

	? Actinopterygii indet. Cope 1887	Heckert 2004	5 elements
	NMMNH P-26378-80

	Actinopterygii indet. Cope 1887	Mutter and Heckert 2006
Palaeonisciformes - Redfieldiidae

	Redfieldiidae indet. Hutchinson 1973	Heckert 2004	2 specimens
	NMMNH P-26377, 34155

	? Redfieldiidae indet. Hutchinson 1973	Heckert 2004	1 specimen
	NMMNH P-26382
Palaeonisciformes - Palaeoniscidae

	aff. Turseodus sp. Leidy 1857	Heckert 2004	4 elements
	NMMNH P-26366, 26369, 26376, 26470
Actinopteri - Semionotiformes - Semionotidae

	Semionotidae indet. Woodward 1890		10 specimens
	= ? Semionotidae indet. Woodward 1890	Heckert 2004
	NMMNH P-26367
Chondrichthyes - Xenacanthiformes - Xenacanthidae

	"Xenacanthus" sp. Beyrich 1848	Heckert 2004	11 specimens
	NMMNH P-26371, 34389, 26432, 26436

	Xenacanthus moorei (Woodward 1889)		7 specimens
	= "Xenacanthus" moorei Woodward 1889	Heckert 2004
	recombined as Triodus moorei
	NMMNH P-34148-50, 41467, 41447-48, 41450
Chondrichthyes - Hybodontiformes

	Hybodontoidea indet. Agassiz 1834	Heckert 2004	3 specimens
	NMMNH P-26427, 26431, 26434
Chondrichthyes - Hybodontiformes - Lonchidiidae

	Lonchidiidae indet. Herman 1977	Heckert 2004	5 elements
	NMMNH P-26430, 26440, 41474-76

	Lonchidion humblei Murry 1981	Heckert 2004	5 elements
	NMMNH P-26429, 41471-73
Chondrichthyes - Hybodontiformes - Hybodontidae

	Hybodontidae indet. (Agassiz 1834)	Heckert 2004	2 specimens
	NMMNH P-26435, 34157
Chondrichthyes - Hybodontiformes - Polyacrodontidae

	Diplolonchidion murryi n. gen., n. sp. Heckert 2004	Heckert 2004	5 elements
	NMMNH P-34378-79, 34263
Bivalvia - Unionida - Unionidae

	Unionidae indet. Rafinesque 1820		42 specimens
	NMMNH P-25750, 26445
Ostracoda

	Ostracoda indet. Latreille 1802	Heckert 2004	2 specimens
	NMMNH P-14606-07
Ostracoda - Podocopida - Darwinulidae

	Darwinula sp. Brady and Robertson 1885		9 specimens
	NMMNH P-14597-14600, 26447-51
Ostracoda

	Gerdalia sp. Belousova 1961	Heckert 2004	5 specimens
	NMMNH P-14601-05
unclassified

	Plantae indet. Haeckel 1866	Heckert 2004	2 specimens
	NMMNH P-26452, 34161 (root casts, wood)
see common names

Geography

Country:	United States	State/province:	Texas	County:	Crosby
Coordinates:	33.4° North, 101.2° West (view map)
Paleocoordinates:	8.1° North, 41.4° West
Basis of coordinate:	stated in text
Altitude:	754 meters
Geographic resolution:	outcrop

Time

Period:	Triassic	Epoch:	Late/Upper Triassic
Stage:	Norian	10 m.y. bin:	Triassic 4
*Period:	Late/Upper Triassic
*International age/stage:	Carnian
Key time interval:	Norian
Age range of interval:	227.00000 - 208.50000 m.y. ago
* legacy (obsolete) database fields

Stratigraphy

Geological group:	Chinle	Formation:	Tecovas
Local section:	Tecovas	Local bed:	5
Local order:	bottom to top
Stratigraphic resolution:	group of beds
Stratigraphy comments: "NMMNH locality 1430 is in the lower part of the Tecovas, 11.25 m above the base of the Dockum Formation."

Lithology and environment

Primary lithology:	"cross stratification",micaceous,gray,green silty sandstone
Secondary lithology:	ferruginous,pebbly,peloidal,shelly/skeletal,red,yellow calcareous conglomerate
Includes fossils?	Y
Includes fossils?	Y
Lithology description: Unit 5. Sandstone and mudstone-/siltstone-pebble conglomerate; sandstone is light greenish gray, weathers to pale yellowish brown, very fine grained, subrounded, well sorted, quartzose, slightly micaceous and trough crossbedded; the conglomerate is at trough bases and consists of mudstone and siltstone pebbles that are dark reddish brown with dusky yellow mottles and calcareous; fossil bones, teeth, coprolites and ostracodes are common at the top of the unit (NMMNH locality 1430).
Environment:	channel lag
Geology comments: channel to point-bar deposits

Taphonomy

Modes of preservation:	body,coprolite
Degree of concentration:	concentrated
Size of fossils:	macrofossils,mesofossils
Preservation of anatomical detail:	good
Associated major elements:	some
Disassociated major elements:	many
Disassociated minor elements:	many

Collection methods and comments

Collection excludes:	some genera,difficult macrofossils
Collection methods:	bulk,sieve,field collection
Reason for describing collection:	taxonomic analysis
Museum repositories:	NMMNH
Collection method comments: "More than three metric tons of sediment...were screenwashed."

Metadata

Also known as:	Dockum Formation
Database number:	13266
Authorizer:	J. Alroy, R. Butler, M. Carrano	Enterer:	R. Whatley, K. Maguire, M. Carrano, R. Butler
Modifier:	M. Carrano	Research group:	vertebrate
Created:	2002-02-05 17:49:25	Last modified:	2018-04-23 17:08:30
Access level:	the public	Released:	2002-02-05 17:49:25
Creative Commons license:	CC BY

Reference information

Primary reference:

3846.

5% 16320

S. G. Lucas and Z. Luo. 1993. Adelobasileus from the Upper Triassic of west Texas: the oldest mammal. Journal of Vertebrate Paleontology 13(3):309-334 [J. Alroy/M. Sommers/M. Uhen]

Secondary references:

32144		R. J. Butler. 2010. Taxonomic opinions on Archosauromorpha. [R. Butler/R. Butler/R. Butler]
27980	ETE	S. K. Harris, A. B. Heckert, S. G. Lucas and A. P. Hunt. 2002. The oldest North American prosauropod, from the Upper Triassic Tecovas Formation of the Chinle Group (Adamanian: latest Carnian), west Texas. In A. B. Heckert & S. G. Lucas (eds.), Upper Triassic Stratigraphy and Paleontology. New Mexico Museum of Natural History and Science Bulletin 21:249-252 [M. Carrano/M. Carrano]
17273	ETE	A. B. Heckert. 2004. Late Triassic microvertebrates from the lower Chinle Group (Otischalkian-Adamanian: Carnian), southwestern U.S.A. New Mexico Museum of Natural History and Science Bulletin 27:1-170 [M. Carrano/M. Carrano]
25555	ETE	A. B. Heckert and S. G. Lucas. 1998. First use of ornithischian dinosaurs for biostratigraphic zonation of the Upper Triassic. Albertiana 20:58-63 [M. Carrano/M. Carrano]
32141		A. B. Heckert, S. G. Lucas, L. F. Rinehart, J. A. Spielmann, A. P. Hunt and R. Kahle. 2006. Revision of the archosauromorph reptile Trilophosaurus, with a description of the first skull of Trilophosaurus jacobsi, from the Upper Triassic Chinle Group, West Texas, USA. Palaeontology 49(3):621-640 [R. Butler/R. Butler]
24941	ETE	A. B. Heckert and S. G. Lucas. 2006. Micro- and small vertebrate biostratigraphy and biochronology of the Upper Triassic Chinle Group, southwestern USA. In J. D. Harris, S. G. Lucas, J. A. Spielmann, M. G. Lockley, A. R. C. Milner, J. I. Kirkland (eds.), The Triassic-Jurassic Terrestrial Transition. New Mexico Museum of Natural History and Science Bulletin 37:94-104 [M. Carrano/M. Carrano/P. Wagner]
15400	ETE	A. P. Hunt and S. G. Lucas. 1994. Ornithischian dinosaurs from the Upper Triassic of the United States. In N. C. Fraser & H.-D. Sues (eds.), In the Shadow of the Dinosaurs: Early Mesozoic Tetrapods. Cambridge University Press, Cambridge 227-241 [M. Carrano/M. Carrano]
24939	ETE	R. J. Mutter and A. B. Heckert. 2006. Re-investigation of enigmatic fish bones known as colobodontid/perleidid toothplates from the Upper Triassic Chinle Group (southwestern U.S.A.). In J. D. Harris, S. G. Lucas, J. A. Spielmann, M. G. Lockley, A. R. C. Milner, & J. I. Kirkland (eds.), The Triassic-Jurassic Terrestrial Transition. New Mexico Museum of Natural History and Science Bulletin 37:530-542 [M. Carrano/M. Carrano/P. Wagner]
24249	ETE	S. J. Nesbitt, R. B. Irmis, and W. G. Parker. 2007. A critical re-evaluation of the Late Triassic dinosaur taxa of North America. Journal of Systematic Palaeontology 5(2):209-243 [M. Carrano/M. Carrano]
43421		J. A. Spielmann, S. G. Lucas, A. B. Heckert, L. F. Rinehart, and A. P. Hunt. 2007. Taxonomy and biostratigraphy of the Late Triassic archosauromorph Trilophosaurus. New Mexico Museum of Natural History and Science Bulletin 40:231-240 [R. Butler/R. Butler]