Edited by oilshale
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Asterotrygon maloneyi Carvalho, Maisey & Grande, 2004
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By oilshale (edited)
Taxonomy
Stingray
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Order: Myliobatiformes
Family: Myliobatoidei
Genus: Asterotrygon
Species: Asterotrygon maloneyi
Author Citation Carvalho, Maisey & Grande, 2004
Geological Time Scale
Eon: Phanerozoic
Era: Cenozoic
Period: Paleogene
Sub Period: None
Epoch: Eocene
International Age: Ypresian
Stratigraphy
Green River Formation
Provenance
Collector: T. Bastelberger
Date Collected: 08/01/1994
Acquired by: Field Collection
Dimensions
Length: 26 cm
Diameter: 13 cm
Location
Warfield Quarry
Kemmerer
Wyoming
United States
Comments
This juvenile stingray is an Asterotrygon . The body is covered with denticles and the tail is thicker than that of a normal Heliobatis.
References:
M. De Carvalho, J. Maisey, L. Grande (2004): Freshwater Stingrays of the Green River Formation of Wyoming with the Description of a new Genus. Bulletin of the American Museum of Natural History, Number 284, 136pp., 53 figures, 7 tables.
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