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)
Ostracoda
Ostracoda indet. Latreille 1802
Heckert 2004 2 specimens
NMMNH P-14606-07
Darwinula sp. Brady and Robertson 1885
9 specimens
NMMNH P-14597-14600, 26447-51
Gerdalia sp. Belousova 1961
Heckert 2004 5 specimens
NMMNH P-14601-05
Bivalvia - Unionida - Unionidae
Unionidae indet. Rafinesque 1820
42 specimens
NMMNH P-25750, 26445
unclassified
Vertebrata indet. (Lamarck 1801)
Heckert 2004 3 specimens
NMMNH P-34160, 34390-91
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. Zangerl 1981
Heckert 2004 3 specimens
NMMNH P-26427, 26431, 26434
Chondrichthyes - Hybodontiformes - Polyacrodontidae
Diplolonchidion murryi n. gen., n. sp. Heckert 2004
Heckert 2004 5 elements
NMMNH P-34378-79, 34263
Chondrichthyes - Hybodontiformes - Hybodontidae
Hybodontidae indet. (Agassiz 1843)
Heckert 2004 2 specimens
NMMNH P-26435, 34157
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
Osteichthyes
Osteichthyes indet. Huxley 1880
Heckert 2004 4 elements
NMMNH P-26368, 26372-74
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
Actinopteri - Palaeonisciformes - Palaeoniscidae
aff. Turseodus sp. Leidy 1857
Heckert 2004 4 elements
NMMNH P-26366, 26369, 26376, 26470
Actinopteri - 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
Actinopteri - Semionotiformes - Semionotidae
Semionotidae indet. Woodward 1890
10 specimens
    = ? Semionotidae indet. Woodward 1890
Heckert 2004
NMMNH P-26367
Arganodontidae
Arganodus aff. dorotheae (Case 1921)
Heckert 2004 1 element
NMMNH P-26385
Coelacanthimorpha - Coelacanthiformes - Coelacanthidae
cf. Quayia zideki Hunt 1997
Mutter and Heckert 2006 1 specimen
NMMNH P-26385
unclassified
Buettneria sp. Case 1922
8 specimens
    = Temnospondyli indet. von Zittel 1887
Heckert 2004
NMMNH P-26349, 26353, 41484-86
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
Reptilia - Procolophonidae
Procolophonidae indet. Lydekker 1889
Heckert 2004 2 specimens
NMMNH P-34151, 26421
Reptilia
Archosauromorpha indet. Huene 1946
Heckert 2004 3 specimens
NMMNH P-26437
Trilophosaurus jacobsi Murry 1987
Heckert et al. 2006 2 specimens
NMMNH P-34073, 34372
Trilophosaurus sp. Case 1928
7 specimens
    = Trilophosaurus buettneri Case 1928
Heckert 2004
NMMNH P-26422, 34074-75, 34373-76
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
Reptilia - Stagonolepididae
? Stagonolepididae indet. Lydekker 1887
Heckert 2004 1 specimen
NMMNH P-34414
Reptilia
aff. Pekinosaurus olseni Hunt and Lucas 1994
Heckert 2004 1 specimen
nomen dubium belonging to Revueltosaurus
NMMNH P-34406
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
Tecovasaurus murryi n. gen., n. sp. Hunt and Lucas 1994
Hunt and Lucas 1994 5 specimens
NMMNH P-18192-93, 18196, 26415, 26417
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 - Sphenodontia
Sphenodontidae indet. Cope 1869
20 specimens
two forms
    = Sphenodontia indet. Jaekel 1910
Heckert 2004
NMMNH P-26411, 26413-16, 26424, 26426, 34367, 34377, 41712
Reptilia - Rhynchocephalia
aff. Clevosaurus latidens Fraser 1993
Heckert 2004 1 specimen
recombined as Fraserosphenodon latidens
NMMNH P-26412
aff. Diphydontosaurus sp. Whiteside 1986
Heckert 2004 1 specimen
NMMNH P-26423
Planocephalosaurus lucasi n. sp. Heckert 2004
Heckert 2004 2 specimens
NMMNH P-26425, 41711
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
unclassified
Colognathus obscurus (Case 1928)
Heckert 2004 2 specimens
NMMNH P-26418, 26442
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:228.00000 - 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, R. Butler, M. Carrano, K. Maguire
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% 16320S. 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]
27980ETE 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]
17273ETE 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]
25555ETE 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]
24941ETE 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]
15400ETE 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]
24939ETE 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/M. Carrano]
24249ETE 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]