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
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 68255: authorized by Matthew Carrano, entered by Matthew Carrano on 11.01.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Actinopteri | |
Pycnodontidae indet. Agassiz 1833 | |
Lepisosteidae indet. Cuvier 1825 gar | |
Melvius sp. Bryant 1987 bowfin | |
Reptilia | |
Tyrannosauridae indet. Osborn 1906 tyrannosaurid | |
Crocodylia indet. crocodilian | |
Alligatoroidea indet. crocodilian | |
Trionychidae indet. Gray 1825 softshell turtle | |
Adocus sp. Cope 1868 turtle | |
Gastropoda | |
Viviparus sp. Montfort 1810 snail | |
Bivalvia | |
"Plesielliptio sp." = Elliptio (Plesielliptio)
"Plesielliptio sp." = Elliptio (Plesielliptio) Russell 1934 freshwater mussel |