Clarkdale ( of the United States)

Also known as MNA 181; NAU 75; Phoenix Cement Company Plant; UALP 36

Where: Yavapai County, Arizona (34.5° N, 112.5° W: paleocoordinates 34.6° N, 111.9° W)

• coordinate based on political unit

When: Verde Formation, Blancan (4.9 - 1.8 Ma)

Environment/lithology: terrestrial

Primary reference: N. J. Czaplewski. 1987. Middle Blancan vertebrate assemblage from the Verde Formation, Arizona. Contributions to Geology, University of Wyoming 25(2):133-155 [J. Alroy/J. Alroy/J. Alroy]more details

PaleoDB collection 19618: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• Nations et al. 1981 show that this is about 14 mi W of House Mountain and of uncertain stratigraphic position relative to that section
decent paleomag lower in section, but fauna is from interval that is "poorly magnetized" and correlation is completely ambiguous, contra Lindsay et al. 1984
Stegomastodon mirificus specimen of Agenbroad et al. 1998 is from "Clarkdale" in the upper Verde Fm., Yavapai Co.
NISP about 58
? Osteichthyes indet. bony fish
acrodont tooth
 Cypriniformes - Cyprinidae
Cyprinidae indet. Bonaparte 1832 carp-like fish
 Caudata - Urodela
Urodela indet. salamander
 Testudines - Pantestudinidae
"Geochelone (Hesperotestudo) sp." = Hesperotestudo
"Geochelone (Hesperotestudo) sp." = Hesperotestudo Williams 1950 turtle
 Testudines - Panemydidae
cf. Emydidae indet. Rafinesque 1815 turtle
 Galliformes - Phasianidae
 Squamata - Iguanidae
cf. Crotaphytus sp. Holbrook 1843 collared lizard
 Squamata - Colubridae
Thamnophis sp. Fitzinger 1843 garter snake
 Rodentia - Cricetidae
Sigmodontinae indet. Wagner 1843 mouse
"Bensonomys cf. elachys" = Calomys (Bensonomys) elachys Lindsay and Jacobs 1985 mouse
"Bensonomys arizonae" = Calomys (Bensonomys) arizonae Gidley 1922 mouse
Reithrodontomys sp. Giglioli 1874 harvest mouse
"Sigmodon medius" = Sigmodon minor Gidley 1922 cotton rat
Neotoma sp. Say and Ord 1825 pack rat
Ondatra meadensis Hibbard 1937 muskrat
Repomys cf. panacaensis May 1981 mouse
Peromyscus cf. hagermanensis Hibbard 1962 deer mouse
 Rodentia - Sciuridae
Spermophilus sp. Cuvier 1825 ground squirrel
? Marmota sp. Frisch 1775 marmot
 Rodentia - Geomyidae
Geomys sp. Rafinesque 1817 pocket gopher
 Rodentia - Heteromyidae
Perognathus sp. Maximillian 1839 pocket mouse
seems OK, comparisons are to species like P. dunklei, P. pearlettensis, P. henryredfieldi, P. apache, and especially P. flavus
 Lagomorpha - Leporidae
cf. Aluralagus sp. Downey 1968 rabbit
 Perissodactyla - Equidae
Nannippus peninsulatus Cope 1885 hipparionine horse
NISP unclear, one good tooth and two lots of fragments
Equus sp. Linnaeus 1758 horse
plus fragments
 Chiroptera - Vespertilionidae
Myotis sp. Kaup 1829 vesper bat
a bat
 Carnivora - Felidae
Felidae indet. Gray 1821 cat
 Proboscidea - Gomphotheriidae
Stegomastodon sp. Pohlig 1912 gomphothere
 Ungulata - Camelidae
Camelidae indet. Gray 1821 camel
 Ungulata - Antilocapridae
Antilocapridae indet. Gray 1866 pronghorn