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By oilshale
Kingdom: Animalia
Phylum: Chordata
Class: Actinopteri Cope 1871
Order: Percopsiformes Berg 1940
Family: Aphredoderidae
Genus: Asineops
Species: Asineops squamifrons
Author Citation COPE, 1870
Eon: Phanerozoic
Era: Cenozoic
Period: Paleogene
Sub Period: None
Epoch: Eocene
International Age: Ypresian
Green River Formation
Acquired by: Purchase/Trade
Length: 9.4 cm
Kemmerer
Lincoln County
Wyoming
United States
Asineops (Greek for "donkey-faced") squamifrons was first described by Cope as having an affinity to the pirat perch family. Later, with more detailed study, this species was found to lack the diagnostic characters of that family. Thus it is not yet clearly assignable to order. Although this species is much rarer in the Fossil Lake sediments than in Lake Gosiute deposits, the specimens from Fossil Lake are much larger than those from Lake Gosiute.
Line drawing from Grande 1984:
Identified by oilshale using Grande 1984.
References:
Cope, Edward D. (1870). Observations on the Fishes of the Tertiary Shales of Green Nov. River, Wyoming Territory. Proc. Amer. Philos. Soc. Vol. 21 XI, pp. 380-384.
Grande, L, (1984). Paleontology of the Green River Formation, with a Review of the Fish Fauna. Bulletin 63, the Geological Survey of Wyoming.
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