NMMNH L-4669, Adobe Canyon (Cretaceous of the United States)

Where: Santa Cruz County, Arizona (31.7° N, 110.8° W: paleocoordinates 39.7° N, 84.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: "shale" Member (Fort Crittenden Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

• member-level stratigraphic resolution

Environment/lithology: terrestrial; mudstone and siltstone

• "fine-grained strata, principally mudrocks and silty mudrocks, are interbedded, repetitively, with subordinate amounts of siltstone and mudstone."

Size classes: macrofossils, mesofossils

Reposited in the NMMNH

Collection methods: quarrying,

Primary reference: A. B. Heckert, S. G. Lucas, and S. E. Krzyzanowski. 2003. Vertebrate fauna of the late Campanian (Judithian) Fort Crittenden Formation, and the age of Cretaceous vertebrate faunas of southeastern Arizona (U.S.A.). Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 227(3):343-364 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 68256: authorized by Matthew Carrano, entered by Matthew Carrano on 11.01.2007, edited by Graeme Lloyd

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Reptilia
 Ornithischia - Ceratopsidae
Crittendenceratops krzyzanowskii n. gen. n. sp. Dalman et al. 2018 ceratopsid
ASDM 380, ASDM 884, ADSM 1133, ADSM 1138, ASDM 1935, SDM 1975, ASDM 1981
Crittendenceratops krzyzanowskii n. gen. n. sp. Dalman et al. 2018 ceratopsid
NMMNH P-34906
Bivalvia
 Unionida - Unionidae
"Plesielliptio sp." = Elliptio (Plesielliptio)
"Plesielliptio sp." = Elliptio (Plesielliptio) Russell 1934 freshwater mussel