Shark Tooth Hill, NMMNH Loc. 487: Norian, New Mexico
collected by P. Murry, A. Hunt, S. Lucas 1947, 1981, 1986-1987

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes
Osteichthyes indet. Huxley 1880
Spielmann et al. 2006 7 specimens
NMMNH P-41850-41854, 41861, 41897
Actinopterygii
Actinopterygii indet. Cope 1887
Spielmann et al. 2006 3 specimens
NMMNH P-41855, 41856, 17090
Actinopteri - Semionotiformes - Semionotidae
Semionotidae indet. Woodward 1890
Spielmann et al. 2006 4 specimens
NMMNH P-41857, 41894-41896
Actinopteri - Perleidiformes
Colobodontidae indet. Stensiö 1916
Murry 1989
    = Perleidiformes indet. Berg 1937
Hunt and Lucas 1993
Palaeonisciformes - Redfieldiidae
Redfieldiidae indet. Hutchinson 1973
Murry 1989 3 specimens
NMMNH P-41858, 41859, 41893
cf. Lasalichthys sp. Schaeffer 1967
Murry 1989
Amphibia - Temnospondyli - Metoposauridae
Temnospondyli indet. von Zittel 1887
Spielmann et al. 2006 2 specimens
NMMNH P-41876, 41860
    = Metoposauridae indet. Watson 1919
Spielmann and Lucas 2012
Amphibia indet. (Linnaeus 1758)
Spielmann et al. 2006 1 specimen
NMMNH P-17099
    = Metoposauridae indet. Watson 1919
Spielmann and Lucas 2012
Reptilia
Vertebrata indet. Lamarck 1801
Spielmann et al. 2006 3 specimens
NMMNH P-41898, 41849, 41899
    = Reptilia indet. Laurenti 1768
Spielmann and Lucas 2012
Reptilia indet. Laurenti 1768
Spielmann et al. 2006 19 specimens
NMMNH P-17086, 17087, 17097, 17101, 17111, 41862, 41863-41875
Thecodontia indet. Owen 1859
Murry 1989 1 specimen
    = Rauisuchia indet. Huene 1942
Hunt and Lucas 1993
    = Rauisuchidae indet. Huene 1942
Spielmann et al. 2006
NMMNH P-17074, teeth
    = Archosauria indet. Cope 1869
Spielmann and Lucas 2012
? Pekinosaurus sp. Hunt and Lucas 1994
Spielmann et al. 2006 1 specimen
NMMNH P-41887, tooth
    = Archosauria indet. Cope 1869
Spielmann and Lucas 2012
? Lucianosaurus sp. Hunt and Lucas 1993
Spielmann et al. 2006 1 specimen
NMMNH P-41888, partial tooth
    = Archosauria indet. Cope 1869
Spielmann and Lucas 2012
Sphenosuchia indet. ()
Spielmann et al. 2006
    = Archosauria indet. Cope 1869
Spielmann and Lucas 2012
Archosauria indet. (Cope 1869)
Spielmann et al. 2006 9 specimens
NMMNH P-41877-41882, 41884-41886
Reptilia - Parasuchidae
Redondasaurus gregorii n. gen., n. sp. Hunt and Lucas 1993
Hunt and Lucas 1993 1 individual
YPM 3294, skull
Rutiodon sp. Emmons 1856
Murry 1989 16 specimens
    = Phytosauridae indet. Jaeger 1828
Hunt and Lucas 1993
NMMNH P-17079, 17081, 17095, 17096, 17098, 17102, 17109, 17110, 17114, 18188, 22497, 41883, 41889-41892
Reptilia
Redondasuchus reseri Hunt and Lucas 1991
Hunt and Lucas 1991 2 specimens
YPM 4256, paramedian plate. NMMNH 17091, plate fragments
    = Redondasuchus sp. Hunt and Lucas 1991
Spielmann and Lucas 2012
unclassified
Limnocytheriinae indet.
Hunt and Lucas 1993
Ostracoda - Podocopida - Darwinulidae
Darwinula sp. Brady and Robertson 1885
Hunt and Lucas 1993
Sabellida - Serpulidae
"Spirorbis" sp. Daudin 1800
Hunt and Lucas 1993
see common names

Geography
Country:United States State/province:New Mexico County:Quay
Coordinates: 35.0° North, 103.3° West (view map)
Paleocoordinates:9.9° North, 43.0° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period: Triassic Epoch: Late Triassic
Stage: Norian 10 m.y. bin: Triassic 4
Key time interval: Norian
Age range of interval: 227 - 208.5 m.y. ago
Stratigraphy
Geological group:Chinle Formation:Redonda Member:Duke Ranch
Stratigraphic resolution:group of beds
Stratigraphy comments: upper part of formation, Apachean. Two levels.
Lithology and environment
Primary lithology:ooidal conglomerate
Secondary lithology:lenticular,red siltstone
Includes fossils?Y
Includes fossils?Y
Lithology description: "a 40-50-cm-thick, matrix-supported conglomerate" with oolites; also a "red lenticular siltstone"
Environment:"floodplain"
Geology comments: "a subaqueous flow or beach deposit", with one locality probably an overbank/crevasse splay, and another a pond.
Taphonomy
Modes of preservation:body
Lagerst�tten type:concentrate
Degree of concentration:concentrated
Size of fossils:mesofossils,microfossils
Disassociated major elements:many
Disassociated minor elements:many
Collection methods and comments
Collection methods:bulk,sieve,field collection
Rock censused:1400 kg
Reason for describing collection:general faunal/floral analysis
Museum repositories:NMMNH,YPM
Collectors:P. Murry, A. Hunt, S. Lucas Collection dates:1947, 1981, 1986-1987
Metadata
Also known as:NMMNH L-487, SMU Loc. #133, SMU Loc. #134
Database number:83737
Authorizer:M. Carrano, R. Butler Enterer:M. Carrano, R. Butler
Modifier:M. Carrano Research group:vertebrate
Created:2008-08-28 14:06:48 Last modified:2021-11-15 16:03:40
Access level:the public Released:2008-08-28 14:06:48
Creative Commons license:CC BY
Reference information

Primary reference:
78209. J. T. Gregory. 1972. Vertebrate faunas of the Dockum Group, Triassic, eastern New Mexico and west Texas. In V. C. Kelly & F. D. Trauger (ed.), New Mexico Geological Society, 23rd Field Conference, East Central New Mexico. New Mexico Geological Society Guidebook 23:120-123 [M. Carrano/M. Carrano]

Secondary references:

31715 N. M. M. Database. 2010. NMMNH collections database. New Mexico Museum of Natural History and Science [R. Butler/R. Butler]
31732 A. B. Heckert, A. P. Hunt, and S. G. Lucas. 1996. Redescription of Redondasuchus reseri, a Late Triassic aetosaur (Reptilia: Archosauria) from New Mexico (USA), and the biochronology and phylogeny of aetosaurs. Geobios 29(5):619-632 [R. Butler/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]
31731 A. P. Hunt and S. G. Lucas. 1991. A new aetosaur from the Redonda Formation (Late Triassic: middle Norian) of east central New Mexico, USA. Neues Jahrbuch für Paläontologie und Geologie 1991:728-736 [R. Butler/R. Butler]
28078ETE A. P. Hunt and S. G. Lucas. 1993. Late Triassic microvertebrate localities in New Mexico (USA): implications for paleoecology. In S. G. Lucas and M. Morales (eds.), The Nonmarine Triassic. New Mexico Museum of Natural History and Science Bulletin 3:187-191 [M. Carrano/M. Carrano]
28127ETE A. P. Hunt and S. G. Lucas. 1993. A new phytosaur (Reptilia: Archosauria) genus from the uppermost Triassic of the western United States and its biochonological significance. In S. G. Lucas and M. Morales (eds.), The Nonmarine Triassic. New Mexico Museum of Natural History and Science Bulletin 3:193-196 [M. Carrano/M. Carrano]
78626 P. A. Murry. 1987. Notes on the stratigraphy and paleontology of the Upper Triassic Dockum Group. Journal of the Arizona-Nevada Academy of Science 22:7-84 [M. Carrano/M. Carrano]
12932ETE P. A. Murry. 1989. Geology and paleontology of the Dockum Formation (Upper Triassic), west Texas and eastern New Mexico. In S. G. Lucas and A. P. Hunt (eds.), Dawn of the Age of Dinosaurs in the American Southwest, New Mexico Museum of Natural History, Albuquerque 102-144 [M. Carrano/M. Carrano/M. Carrano]
31760 J. A. Spielmann, S. G. Lucas, and A. P. Hunt. 2006. The vertebrate macrofauna of the Upper Triassic (Apachean) Redonda Formation, east-central New Mexico. 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 37:502-509 [R. Butler/R. Butler/M. Carrano]
60778 J. A. Spielmann and S. G. Lucas. 2012. Tetrapod fauna of the Upper Triassic Redonda formation, East-Central New Mexico: the characteristic assemblage of the Apachean land-vertebrate faunachron. New Mexico Museum of Natural History and Science, Bulletin 55:1-119 [R. Butler/R. Butler]