Packard Ranch, Jerome Member, Martin Formation, Yavapai Co., AZ (Devonian of the United States)

Also known as NAU 50

Where: Yavapai County, Arizona (34.9° N, 112.1° W: paleocoordinates 25.3° S, 56.1° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Jerome Member (Martin Formation), Frasnian (382.7 - 372.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; dolomite

• dolomite

Collection methods: bulk, chemical, mechanical, peel or thin section, sieve,

Primary reference: S. M. Celestian. 1978. A Faunal Analysis of the Devonian Martin Formation in the Verde Valley, Arizona. unpublished M.S. thesis, Northern Arizona University 1-68 [A. Miller/K. Layou]more details

PaleoDB collection 6866: authorized by Arnold Miller, entered by Karen Layou on 03.04.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

 Euomphalina - Omphalotrochidae
Arastra torquata Stoyanow 1948 snail
 Heterostropha - Donaldinidae
Donaldina sp. Knight 1933 snail
 Neritoidea - Naticopsidae
Naticopsis sp. M'Coy 1844 snail
 Murchisoniina - Gosseletinidae
Arizonella allecta Stoyanow 1948 snail