Heliobatis

genus of fishes (fossil)

Heliobatis is an extinct genus of stingray.[1] At present the genus contains the single species Heliobatis radians.

Heliobatis
Temporal range: Early Eocene
Male Heliobatis radians fossil
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Family:
Genus:
Heliobatis
Species:
H. radians
Binomial name
Heliobatis radians
Marsh, 1877[1]
Synonyms
  • Dasyatis species Haseman, 1912
  • Palaeodasybatis discus Fowler, 1947
  • Xiphotrygon acutidens Cope, 1879
  • Xyphotrygus species Romer, 1971

The fossil is found in the early Eocene, Wasatchian stage, Fossil Lake deposits. Fossil Lake is part of the Green River Formation in southwest Wyoming.[1]

Heliobatis is one of only two known rays to have been found in the Green River formation. The other species, Asterotrygon maloneyi, was recognized and described in 2004.[2]

References

change
  1. 1.0 1.1 1.2 Grande, Lance (1984), "Paleontology of the Green River Formation, with a review of the fish fauna", Bulletin of the Wyoming State Geological Survey, 63 2nd ed., Laramie, WY
  2. Carvalho, M.R.; Maisey, J.G.; Grande, L. (2004). "Freshwater stingrays of the Green River Formation of Wyoming (early Eocene), with the description of a new genus and species and an analysis of its phylogenetic relationships (Chondrichthyes, Myliobatiformes)". Bulletin of the American Museum of Natural History. 284: 1–136. doi:10.1206/0003-0090(2004)284<0001:FSOTGR>2.0.CO;2. S2CID 83986811.