Alternative combination: Crocodylus sericodon
Synonyms: Crocodylus sicariaus Cope 1869, Crocodylus sicarius Cope 1869, Gavialosuchus americana Sellards 1915, Gavialosuchus americanus 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, Hay 1902, Hay 1930, 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
Type specimens:
- Thecachampsa sericodon: ANSP 9443-9445, a set of teeth. Its type locality is James T. Thomas estate, which is in a Serravallian 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 Tortonian 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 Serravallian 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 Tortonian lagoonal sandstone in the Peace River Formation of Florida.
Ecology: carnivore
Distribution:
• Quaternary of United States (1: South Carolina collection)
• Hemphillian of Costa Rica (1), United States (3: Florida)
• Miocene to Pliocene of United States (2: florida)
• Miocene of Portugal (5), United States (9: Florida, Maryland, New Jersey, Virginia)
• Paleocene of United States (1: Maryland)
Total: 22 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.