Lamy Amphibian Quarry, NMMNH Loc. 1176 (bed 7): Carnian, New Mexico
collected by Witter, White, Dunkle, Pearce, Sternberg 1936, 1938, 1947, 2007

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Reptilia indet. Laurenti 1768
Hunt and Lucas 1995 3 specimens
MCZ uncat. vertebrae
Reptilia - Tanystropheidae
Tanystropheidae indet. Gervais 1859
Hégron et al. 2020
MCZ 101537, caudal vertebra; MCZ 101538, anterior caudal vertebra
Reptilia
Archosauria indet. (Cope 1869)
Lucas et al. 2010 2 specimens
sacrum, caudal
Phytosauria indet. Jaeger 1828
Hunt and Lucas 1989
teeth
Heterodontichnites hunti n. gen., n. sp. Rinehart et al. 2006
Rinehart et al. 2006 1 specimen
on NMMNH P-18111
Reptilia - Theropoda
Theropoda indet. Marsh 1881
Hunt and Lucas 1995
small; MCZ uncat. ungual, metapodials, caudals
Reptilia - Azendohsauridae
Azendohsauridae indet. Nesbitt et al. 2015
Hégron et al. 2020
MCZ VPRA-9559, anterior cer- vical vertebra; MCZ 101539, anterior cervical vertebra and rib fragment; MCZ 101531, conjoined articular and surangular; MCZ 101532, ungual; MCZ 101533, caudal vertebra; MCZ 101534, caudal vertebra; MCZ 101535, caudal vertebra; MCZ 101536, metatarsal II; MCZ 101577, broken neural spine.
Amphibia - Temnospondyli - Metoposauridae
? Metoposauridae indet. Watson 1919
Lucas et al. 2010
juvenile skull elements
Metoposaurus fraasi Lucas 1904
    = Buettneria perfecta Case 1922
Hunt and Lucas 1995
incl. NMMNH P-18111
Actinopterygii
Actinopterygii indet. Cope 1887
Mutter and Heckert 2006 1 specimen
NMMNH P-34232
Actinopteri - Semionotiformes - Semionotidae
Semionotidae indet. Woodward 1890
Lucas et al. 2010
Palaeonisciformes - Redfieldiidae
Redfieldiidae indet. Hutchinson 1973
Lucas et al. 2010
see common names

Geography
Country:United States State/province:New Mexico County:Santa Fe
Coordinates: 35.2° North, 105.8° West (view map)
Paleocoordinates:3.8° North, 38.8° West
Basis of coordinate:stated in text
Geographic resolution:local area
Time
Period: Triassic Epoch: Late Triassic
Stage: Carnian 10 m.y. bin: Triassic 3
*International age/stage:Carnian - Carnian
Key time interval: Carnian
Age range of interval: 237 - 227 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Garita Creek
Local section:Lamy Quarry Local bed:7
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: lower part of formation, ca. 4m above lower contact; Adamanian/late Carnian age
Lithology and environment
Primary lithology:paleosol/pedogenic,red sandy mudstone
Includes fossils?Y
Lithology description: "The amphibian quarry bonebed...consists of red sandy mudstone with some green and purple mottles and is densely packed with tetrapod bones...The bones are coated by a thin (~ 1 mm) carbonate crust and some rhizoliths are present."
Environment:lacustrine - small
Geology comments: ETE sed env 1: fluvial, ETE sed env 2: shallow_lake ETE event: ., ETE env comment: drought; ref 40637: layer consists of pedogenically modied floodplain mudstones, calcic alfisols - no evidence of a pond or severe drought.
Taphonomy
Modes of preservation:body
Lagerst�tten type:concentrate
Degree of concentration:-single event
Size of fossils:macrofossils
Spatial orientation:preferred
Abundance in sediment:abundant
Articulated whole bodies:many
Associated major elements:many
Fragmentation:occasional
Temporal resolution:snapshot
Spatial resolution:autochthonous
Collection methods and comments
Collection methods:bulk,selective quarrying,surface (in situ),mechanical,sieve,field collection
Collection size:100 specimens
Reason for describing collection:taphonomic analysis
Museum repositories:MCZ,NMMNH,UNSM
Collectors:Witter, White, Dunkle, Pearce, Sternberg Collection dates:1936, 1938, 1947, 2007
Collection method comments: ETE reference list: 478, 483, 482, 1005; 1936, MCZ, Mr. and Mrs. R. V. Witter; excavated by R. V. Witter and T. E. White 1938. 1947, USNM, D. H. Dunkle, F. Pearce, and G. Sternberg. NMMNH excavations starting in 2007.
Metadata
Also known as:ETE Locality 1594, NMMNH L-1176
Database number:22718
Authorizer:A. Behrensmeyer, M. Carrano, B. Gee Enterer:A. Behrensmeyer, B. Gee, M. Carrano
Modifier:M. Carrano Research group:taphonomy,vertebrate
Created:2001-05-29 01:00:00 Last modified:2022-06-15 10:01:06
Access level:the public Released:2001-05-29 01:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
5699.ETE 1455A. S. Romer. 1939. An amphibian graveyard. The Scientific Monthly 49:337-339 [A. Behrensmeyer/A. Behrensmeyer/M. Kosnik]

Secondary references:

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]
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]
75645 A. Hégron, M. R. Stocker, A. D. Marsh and S. J. Nesbitt. 2020. Archosauromorphs (Reptilia: Diapsida) from the Lamy Quarry, Garita Creek Formation (Adamanian, Late Triassic), New Mexico, USA. Palaeodiversity 13:135-149 [B. Gee/B. Gee]
5928ETE 1709A. P. Hunt and A. G. Lucas. 1989. Late Triassic vertebrate localities in 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 72-101 [A. Behrensmeyer/A. Behrensmeyer/M. Carrano]
31825 A. P. Hunt and S. G. Lucas. 1993. Triassic vertebrate paleontology and biochronology of New Mexico. In S. G. Lucas & J. Zidek (ed.), Vertebrate Paleontology in New Mexico. New Mexico Museum of Natural History and Science Bulletin 2:49-60 [R. Butler/R. Butler/M. Carrano]
31721 A. P. Hunt and S. G. Lucas. 1995. Vertebrate paleontology and biochronology of the lower Chinle Group (Upper Triassic), Santa Fe County, north-central New Mexico. New Mexico Geological Society Guidebook, 46th Field Conference, Geology of the Santa Fe Region 243-246 [R. Butler/R. Butler]
21437 B. S. Kues. 1982. Fossils of New Mexico 1-226 [G. Webster/G. Webster/M. Carrano]
40637 S. G. Lucas, L. F. Rinehart, K. Krainer, J. A. Spielmann, and A. B. Heckert. 2010. Taphonomy of the Lamy amphibian quarry: A Late Triassic bonebed in New Mexico, U.S.A. Palaeogeography, Palaeoclimatology, Palaeoecology 298:388-398 [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]
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/P. Wagner]
65636 L. F. Rinehart, S. G. Lucas, and J. A. Spielmann. 2006. Bite marks on tetrapod bones from the Upper Triassic Chinle Group representing a new ichnogenus. 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 37:160-163 [M. Carrano/M. Carrano]