NMMNH locality L-3034 (Cretaceous to of the United States)

Where: Sandoval County, New Mexico (35.7° N, 107.2° W: paleocoordinates 42.8° N, 78.7° W)

• coordinate estimated from map

When: Allison Member (Menefee Formation), Early/Lower Campanian to Early/Lower Campanian (83.5 - 70.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; silty mudstone

• Allison Member, at approx. 183 m thick, is the thickest member of the Menefee Fm.
• "silty mudstone, rich in carbonized wood and other plant debris."

Size class: macrofossils

Preservation: original carbon

Reposited in the NMMNH

• "plant debris" and "wood"

Primary reference: T. E. Williamson and P. L. Sealey. 1995. Additions to the vertebrate fauna from the Upper Cretaceous (lower Campanian) Allison Member, Menefee Formation, southeastern San Juan Basin, New Mexico. New Mexico Geology 17(2):34 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 13000: authorized by John Alroy, entered by Robin Whatley on 15.01.2002, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Testudinata - Baenidae
Baenidae indet.
Baenidae indet. Cope 1882 turtle
 Theropoda - Dromaeosauridae
Dromaeosauridae "indet. A"2
Dromaeosauridae "indet. A"2 Colbert and Russell 1969 maniraptoran
NMMNH P25054
 Ornithischia - Ceratopsidae
Centrosaurinae indet.2
Centrosaurinae indet.2 Lambe 1915 ceratopsid
 Crocodylia - Alligatoridae
Brachychampsa sealeyi n. sp.1
Brachychampsa sealeyi n. sp.1 Williamson 1996 crocodilian
NMMMH P-25050, "new species"
unclassified
  -
Plantae indet.1
Plantae indet.1 Haeckel 1866
1Williamson 1996; 2Williamson and Brusatte 2014