NMMNH L-4534: Late Campanian, New Mexico
collected by A. Weil, T. Williamson 2000

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
1 specimen
NMMNH P-32799, coprolite
5 specimens
NMMNH P-32966, P-32967, P-32968, P-44900; P-37815, coprolite
Amphibia - Temnospondyli - Batrachosauroididae
1 specimen
NMMNH P-44917, vertebra
Reptilia
2 specimens
NMMNH P-32790, P-32800
Reptilia - Titanosauridae
2 specimens
NMMNH P-32789, P-32972, teeth
Reptilia - Ceratopsidae
4 specimens
NMMNH P-32787, P-32973, P-37813, P-37814, teeth
Reptilia - Hadrosauridae
1 specimen
NMMNH P-32798, jaw & postcranial skeleton
Reptilia - Troodontidae
1 specimen
NMMNH P-32784, tooth
Williamson and Brusatte 2014
Reptilia
Crocodylia indet. (Owen 1842)
2 specimens
NMMNH P-32783, scute; P-32974, tooth
Reptilia - Testudines
Testudines indet. (Batsch 1788)
2 specimens
NMMNH P-32970, osteoderm; P-32976, carapace
Reptilia - Testudines - Trionychidae
2 specimens
NMMNH P-32785, P-32791, carapace
Reptilia - Baenidae
1 specimen
NMMNH P-32788, carapace
Reptilia
1 specimen
NMMNH P-32792, carapace
Actinopteri - Lepisosteiformes - Lepisosteidae
1 specimen
NMMNH P-32786, scale
1 specimen
NMMNH P-32975, scale
Actinopteri - Amiiformes - Amiidae
1 specimen
NMMNH P-32971, jaw
see common names

Geography
Country:United States State/province:New Mexico County:San Juan
Coordinates: 36.5° North, 108.3° West (view map)
Paleocoordinates:46.9° North, 71.2° West (Wright 2013)
Basis of coordinate:unpublished field data
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Campanian 10 m.y. bin: Cretaceous 7
Key time interval: Late Campanian
Age range of interval: 83.6 - 72.2 m.y. ago
Stratigraphy
Formation:Kirtland Member:Naashoibito
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:gray claystone
Includes fossils?Y
Lithology description: "In "grey to purple" beds of Naashoibito; productive horizon in lt. grey clay stone below a 5 cm white, indurated gypsum horizon. Productive layer extends laterally at least 100'."
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:surface (in situ),field collection,survey of museum collection
Reason for describing collection:general faunal/floral analysis
Museum repositories:NMMNH
Collectors:A. Weil, T. Williamson Collection dates:2000
Metadata
Database number:222078
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:G. Varnham Research group:vertebrate
Created:2021-09-08 17:58:02 Last modified:2025-02-22 15:12:02
Access level:the public Released:2021-09-08 17:58:02
Creative Commons license:CC0
Reference information

Primary reference:
66250. S. E. Jasinski, R. M. Sullivan, and S. G. Lucas. 2011. Taxonomic composition of the Alamo Wash local fauna from the Upper Cretaceous Ojo Alamo Formation (Naashoibito Member), San Juan Basin, New Mexico. In R. M. Sullivan, S. G. Lucas, & J. A. Spielmann (eds.), Fossil Record 3. New Mexico Museum of Natural History and Science Bulletin 53:216-271 [M. Carrano/M. Carrano/P. Mannion]

Secondary references:

50790 T. E. Williamson and S. L. Brusatte. 2014. Small theropod teeth from the Late Cretaceous of the San Juan Basin, northwestern New Mexico and their implications for understanding latest Cretaceous dinosaur evolution. PLoS ONE 9(4):e93190:1-23 [M. Carrano/M. Carrano]