Thecachampsa sericodon Cope 1867 (crocodilian)

Reptilia - Crocodylia

Synonyms: Gavialosuchus americana Sellards 1915, Megalodelphis magnidens Kellogg 1944, Thecachampsa sicaria Cope 1869, Tomistoma americana Sellards 1915

Full reference: E. D. Cope. 1867. An addition to the vertebrate fauna of the Miocene period, with a synopsis of the extinct Cetacea of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 19(4):138-157

Belongs to Thecachampsa according to R. E. Weems 2018

See also Case 1904, Cope 1867, Cope 1869, Cope 1869, Cope 1875, Kellogg 1944, Laurito and Valerio 2008, Mook 1921, Morgan 1986, Myrick 2001 and Sherman 1952

Sister taxa: Thecachampsa antiquus, Thecachampsa carolinensis, Thecachampsa marylandica, Thecachampsa minor

Subtaxa: Gavialosuchus americana lusitanica

View classification

Type specimens:

  • Thecachampsa sericodon: ANSP 9443-9445, a set of teeth. Its type locality is James T. Thomas estate, which is in a Langhian offshore shelf horizon in the Calvert Formation of Maryland.
  • Megalodelphis magnidens: MCZ 17883, a partial skull. Its type locality is American Agricultural Chemical Company Mine, which is in a Serravallian lagoonal sandstone in the Peace River Formation of Florida.
  • Thecachampsa sicaria: AMNH FARB 1321, a maxilla (posterior maxillary fragment with teeth). Its type locality is Patuxent River, near, which is in a Langhian coastal horizon in the Calvert Formation of Maryland.
  • Tomistoma americana: Florida State Geological Survey 3657, a partial skull (anterior portion of a skull). Its type locality is Amalgamated Phosphate Company Mine, which is in a Serravallian lagoonal sandstone in the Peace River Formation of Florida.

Ecology: carnivore

Distribution:

• Miocene of United States (4: Maryland, New Jersey, Virginia collections)

• Paleocene of United States (1: Maryland)

Total: 5 collections each including a single occurrence

Show more details


Specimen images are retrieved through the ePANDDA API.


Click image to enlarge. Click to access iDigBio record.