Lepisosteus occidentalis Leidy 1856

Actinopteri - Lepisosteiformes - Lepisosteidae

Alternative combinations: Atractosteus occidentalis, Lepidotes occidentalis

Synonym: Lepidotus haydeni Leidy 1856

Full reference: J. Leidy. 1856. Notices of remains of extinct reptiles and fishes, discovered by Dr. F. V. Hayden in the bad lands of the Judith River, Nebraska Territory. Proceedings of the Academy of Natural Sciences of Philadelphia 8:72-73

Belongs to Lepisosteus according to R. Estes 1976

See also Hay 1902, Leidy 1856 and Leidy 1857

Sister taxa: Lepisosteus aganus, Lepisosteus cuneatus, Lepisosteus cycliferus, Lepisosteus glaber, Lepisosteus integer, Lepisosteus nahunticus, Lepisosteus osseus, Lepisosteus whitneyi

Type specimens:

  • Lepisosteus occidentalis: Its type locality is Judith River badlands (USGS), which is in a Campanian/Campanian terrestrial horizon in the Judith River Formation of Montana
  • Lepidotus haydeni: Its type locality is Judith River badlands (USGS), which is in a Campanian/Campanian terrestrial horizon in the Judith River Formation of Montana.

Distribution:

• Eocene of United States (1: North Dakota collection)

• Paleocene of United States (3: Montana, Wyoming)

• Cretaceous of Canada (33: Alberta, Saskatchewan), United States (78: Colorado, Montana, New Mexico, North Dakota, South Dakota, Wyoming)

Total: 115 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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