East Branch, Adobe Canyon (Cretaceous of the United States)

Where: Santa Cruz County, Arizona (31.7° N, 110.8° W: paleocoordinates 39.7° N, 83.9° W)

• coordinate based on nearby landmark

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

• "overlying suite of rocks" in section

• formation-level stratigraphic resolution

Environment/lithology: paralic; sandstone and siltstone

• "equivalent to brackish water facies"
• "shales, siltstones and sandstones"

Size classes: macrofossils, mesofossils

Primary reference: H. W. Miller, Jr. 1964. Cretaceous dinosaurian remains from southern Arizona. Journal of Paleontology 38(2):378-384 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 32301: authorized by Matthew Carrano, entered by Matthew Carrano on 19.06.2003, edited by John Alroy

Creative Commons license: CC BY (attribution)

Taxonomic list

 Unionida -
? Protelliptio sp. Russell 1934 clam
 Unionida - Unionidae
Unio sp. Philipsson 1788 freshwater mussel
Gastropoda indet. Cuvier 1797 snail
 Architaenioglossa - Viviparidae
? Viviparus sp. Montfort 1810 snail
 Basommatophora - Physidae
 Elopiformes - Elopidae
Elopidae indet. Bonaparte 1846
 Lepisosteiformes - Lepisosteidae
Lepisosteus sp. Agassiz 1843 gar
 Testudines - Trionychidae
Trionychinae indet. softshell turtle
 Testudines - Pantrionychidae
Plastomenus sp. Cope 1873 turtle
 Avetheropoda -