NMMNH L-1430, Upper Kalgary: Norian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Spirorbidae indet.
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1 specimen | |||||||||
NMMNH P-26446; "spirorbid worms" (probably vermetiform gastropods) | ||||||||||
Plantae indet.
Haeckel 1866
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Heckert 2004 | 2 specimens | ||||||||
NMMNH P-26452, 34161 (root casts, wood) | ||||||||||
Vertebrata indet.
(Lamarck 1801)
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Heckert 2004 | 3 specimens | ||||||||
NMMNH P-34160, 34390-91 | ||||||||||
Chondrichthyes
- Hybodontiformes
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Hybodontoidea indet.
Agassiz 1834
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Heckert 2004 | 3 specimens | ||||||||
NMMNH P-26427, 26431, 26434 | ||||||||||
Chondrichthyes
- Hybodontiformes
- Lonchidiidae
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Lonchidiidae indet.
Herman 1977
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Heckert 2004 | 5 elements | ||||||||
NMMNH P-26430, 26440, 41474-76 | ||||||||||
Lonchidion humblei
Murry 1981
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Heckert 2004 | 5 elements | ||||||||
NMMNH P-26429, 41471-73 | ||||||||||
Chondrichthyes
- Hybodontiformes
- Hybodontidae
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Hybodontidae indet.
(Agassiz 1834)
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Heckert 2004 | 2 specimens | ||||||||
NMMNH P-26435, 34157 | ||||||||||
Chondrichthyes
- Hybodontiformes
- Polyacrodontidae
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Diplolonchidion murryi n. gen., n. sp.
Heckert 2004
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Heckert 2004 | 5 elements | ||||||||
NMMNH P-34378-79, 34263 | ||||||||||
Chondrichthyes
- Xenacanthiformes
- Xenacanthidae
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Xenacanthus moorei
(Woodward 1889)
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7 specimens | |||||||||
= "Xenacanthus" moorei
Woodward 1889
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Heckert 2004 | |||||||||
recombined as Triodus moorei | ||||||||||
NMMNH P-34148-50, 41467, 41447-48, 41450 | ||||||||||
"Xenacanthus" sp.
Beyrich 1848
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Heckert 2004 | 11 specimens | ||||||||
NMMNH P-26371, 34389, 26432, 26436 | ||||||||||
Osteichthyes
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Osteichthyes indet.
Huxley 1880
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Heckert 2004 | 4 elements | ||||||||
NMMNH P-26368, 26372-74 | ||||||||||
Actinopterygii
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Actinopterygii indet.
Cope 1887
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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
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Heckert 2004 | 5 elements | ||||||||
NMMNH P-26378-80 | ||||||||||
Actinopterygii indet.
Cope 1887
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Mutter and Heckert 2006 | |||||||||
Actinopteri
- Semionotiformes
- Semionotidae
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Semionotidae indet.
Woodward 1890
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10 specimens | |||||||||
= ? Semionotidae indet.
Woodward 1890
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Heckert 2004 | |||||||||
NMMNH P-26367 | ||||||||||
Palaeonisciformes
- Redfieldiidae
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Redfieldiidae indet.
Hutchinson 1973
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Heckert 2004 | 2 specimens | ||||||||
NMMNH P-26377, 34155 | ||||||||||
? Redfieldiidae indet.
Hutchinson 1973
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Heckert 2004 | 1 specimen | ||||||||
NMMNH P-26382 | ||||||||||
Palaeonisciformes
- Palaeoniscidae
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aff. Turseodus sp.
Leidy 1857
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Heckert 2004 | 4 elements | ||||||||
NMMNH P-26366, 26369, 26376, 26470 | ||||||||||
Amphibia
- Temnospondyli
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Buettneria sp.
Case 1922
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8 specimens | |||||||||
= Temnospondyli indet.
von Zittel 1887
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Heckert 2004 | |||||||||
NMMNH P-26349, 26353, 41484-86 | ||||||||||
Reptilia
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Reptilia indet.
Laurenti 1768
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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
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Procolophonidae indet.
Lydekker 1889
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Heckert 2004 | 2 specimens | ||||||||
NMMNH P-34151, 26421 | ||||||||||
Reptilia
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Archosauromorpha indet.
Huene 1946
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Heckert 2004 | 3 specimens | ||||||||
NMMNH P-26437 | ||||||||||
Ornithischia indet.
Seeley 1888
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Heckert 2004 | 13 specimens | ||||||||
NMMNH P-26398, 26401-02, 26393, 34369, 34382, 34405, 34152, 34407, 34410 | ||||||||||
= Archosauriformes indet.
Gauthier 1986
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Butler 2010 | |||||||||
Archosauriformes informal indet. J
Gauthier 1986
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Heckert 2004 | 2 specimens | ||||||||
NMMNH P-26399, 34415 | ||||||||||
Archosauriformes informal indet. K
Gauthier 1986
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Heckert 2004 | 1 specimen | ||||||||
NMMNH P-34418 | ||||||||||
Archosauriformes informal indet. L
Gauthier 1986
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Heckert 2004 | 4 specimens | ||||||||
NMMNH P-34417 | ||||||||||
Archosauriformes informal indet. M
Gauthier 1986
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Heckert 2004 | 1 specimen | ||||||||
NMMNH P-34419 | ||||||||||
Archosauriformes informal indet. Q
Gauthier 1986
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Heckert 2004 | 1 specimen | ||||||||
NMMNH P-34420 | ||||||||||
Archosauriformes informal indet. R
Gauthier 1986
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Heckert 2004 | 1 specimen | ||||||||
NMMNH P-34368 | ||||||||||
Archosauriformes informal indet. S
Gauthier 1986
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Heckert 2004 | 1 specimen | ||||||||
NMMNH P-26438 | ||||||||||
Archosauriformes informal indet. H
Gauthier 1986
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Heckert 2004 | 11 specimens | ||||||||
NMMNH P-26344, 34368, 34370, 34416, 41713-14 | ||||||||||
Archosauriformes informal indet. T
Gauthier 1986
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Heckert 2004 | 4 specimens | ||||||||
NMMNH P-34371 | ||||||||||
? Theropoda indet.
Marsh 1881
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Heckert 2004 | 6 specimens | ||||||||
NMMNH P-34154, 26340-41, 26443 | ||||||||||
= Archosauriformes indet.
Gauthier 1986
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Butler 2010 | |||||||||
Prosauropoda indet.
Huene 1920
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Harris et al. 2002 | 5 specimens | ||||||||
NMMNH P-26400, 34401-03, 34421 | ||||||||||
= Archosauriformes indet.
Gauthier 1986
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Nesbitt et al. 2007 | |||||||||
NMMNH P-26347, 31650 add to separate line | ||||||||||
aff. Crosbysaurus harrisae
Heckert 2004
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Heckert 2004 | 11 specimens | ||||||||
NMMNH P-26394-95, 26397, 41716-19 | ||||||||||
Crosbysaurus harrisae
Heckert 2004
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Heckert 2004 | 3 specimens | ||||||||
NMMNH P-26396, 34408-09 | ||||||||||
Reptilia
- Phytosauridae
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Phytosauria indet.
Jaeger 1828
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96 specimens | |||||||||
= Phytosauridae indet.
Jaeger 1828
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Heckert 2004 | |||||||||
replaced by Mystriosuchinae | ||||||||||
NMMNH P-25758, 26355, 26439, 26403-10, 34159, 34412-13 | ||||||||||
Reptilia
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aff. Pekinosaurus olseni
Hunt and Lucas 1994
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Heckert 2004 | 1 specimen | ||||||||
nomen dubium belonging to Revueltosaurus | ||||||||||
NMMNH P-34406 | ||||||||||
Reptilia
- Stagonolepididae
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? Stagonolepididae indet.
Lydekker 1887
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Heckert 2004 | 1 specimen | ||||||||
NMMNH P-34414 | ||||||||||
Reptilia
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Protecovasaurus lucasi
Heckert 2004
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Heckert 2004 | 1 specimen | ||||||||
NMMNH P-26441 | ||||||||||
Tecovasaurus murryi n. gen., n. sp.
Hunt and Lucas 1994
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Hunt and Lucas 1994 | 5 specimens | ||||||||
NMMNH P-18192-93, 18196, 26415, 26417 | ||||||||||
Trilophosaurus sp.
Case 1928
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7 specimens | |||||||||
= Trilophosaurus buettneri
Case 1928
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Heckert 2004 | |||||||||
NMMNH P-26422, 34074-75, 34373-76 | ||||||||||
Trilophosaurus jacobsi
Murry 1987
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Heckert et al. 2006 | 2 specimens | ||||||||
NMMNH P-34073, 34372 | ||||||||||
Lepidosauria indet.
(Haeckel 1866)
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Heckert 2004 | 1 specimen | ||||||||
NMMNH P-26420 | ||||||||||
? Lepidosauria indet.
(Haeckel 1866)
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Heckert 2004 | 2 specimens | ||||||||
NMMNH P-26419, 34381 | ||||||||||
Reptilia
- Sphenodontidae
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aff. Clevosaurus latidens
Fraser 1993
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Heckert 2004 | 1 specimen | ||||||||
recombined as Fraserosphenodon latidens | ||||||||||
NMMNH P-26412 | ||||||||||
Reptilia
- Sphenodontia
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Sphenodontidae indet.
Cope 1871
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20 specimens | |||||||||
two forms | ||||||||||
= Sphenodontia indet.
Jaekel 1910
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Heckert 2004 | |||||||||
NMMNH P-26411, 26413-16, 26424, 26426, 34367, 34377, 41712 | ||||||||||
Reptilia
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Planocephalosaurus lucasi n. sp.
Heckert 2004
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Heckert 2004 | 2 specimens | ||||||||
NMMNH P-26425, 41711 | ||||||||||
aff. Diphydontosaurus sp.
Whiteside 1986
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Heckert 2004 | 1 specimen | ||||||||
NMMNH P-26423 | ||||||||||
unclassified
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Colognathus obscurus
(Case 1928)
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Heckert 2004 | 2 specimens | ||||||||
NMMNH P-26418, 26442 | ||||||||||
Cynodontia
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Pterosauria indet.
Kaup 1834
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1 specimen | |||||||||
like Eudimorphodon | ||||||||||
= Cynodontia indet.
Owen 1861
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Heckert 2004 | |||||||||
NMMNH P-34388 | ||||||||||
? Cynodontia indet.
Owen 1861
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Heckert 2004 | 1 specimen | ||||||||
NMMNH P-34384 | ||||||||||
unclassified
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Adelobasileus cromptoni n. gen., n. sp.
Lucas and Hunt 1990
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1 specimen | |||||||||
Dromatheriidae
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? Dromatheriidae indet.
Gill 1872
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Heckert 2004 | 2 specimens | ||||||||
NMMNH P-34385-86 | ||||||||||
Coelacanthimorpha
- Coelacanthiformes
- Coelacanthidae
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cf. Quayia zideki
Hunt 1997
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Mutter and Heckert 2006 | 1 specimen | ||||||||
NMMNH P-26385 | ||||||||||
Dipnomorpha
- Arganodontidae
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Arganodus aff. dorotheae
(Case 1921)
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Heckert 2004 | 1 element | ||||||||
NMMNH P-26385 | ||||||||||
Bivalvia
- Unionida
- Unionidae
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Unionidae indet.
Rafinesque 1820
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42 specimens | |||||||||
NMMNH P-25750, 26445 | ||||||||||
Ostracoda
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Ostracoda indet.
Latreille 1802
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Heckert 2004 | 2 specimens | ||||||||
NMMNH P-14606-07 | ||||||||||
Gerdalia sp.
Belousova 1961
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Heckert 2004 | 5 specimens | ||||||||
NMMNH P-14601-05 | ||||||||||
Ostracoda
- Podocopida
- Darwinulidae
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Darwinula sp.
Brady and Robertson 1885
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9 specimens | |||||||||
NMMNH P-14597-14600, 26447-51 | ||||||||||
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
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, M. Carrano, R. Butler | Enterer: | R. Whatley, K. Maguire, R. Butler, M. Carrano |
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] |
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] |
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] | |
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] |