Platecarpus tympaniticus Cope 1869 (mosasaur)

Reptilia - Squamata - Mosasauridae

Synonyms: Holcodus coryphaeus Cope 1871, Holcodus ictericus Cope 1871, Holcodus mudgei Cope 1870, Holosaurus abruptus Marsh 1880, Lestosaurus coryphaeus Cope 1871, Lestosaurus curtirostris Cope 1871, Lestosaurus felix Marsh 1872, Lestosaurus gracilis Marsh 1872, Lestosaurus ictericus Cope 1871, Lestosaurus latifrons Marsh 1872, Lestosaurus mudgei Cope 1870, Lestosaurus simus Marsh 1872, Liodon curtirostris Cope 1871, Liodon ictericus Cope 1871, Liodon mudgei Cope 1870, Platecarpus coryphaeus Cope 1871, Platecarpus curtirostris Cope 1871, Platecarpus felix Marsh 1872, Platecarpus gracilis Marsh 1872, Platecarpus ictericus Cope 1871, Platecarpus latifrons Marsh 1872, Platecarpus mudgei Cope 1870, Platecarpus simus Marsh 1872

Full reference: E. D. Cope. 1869. On the reptilian orders Pythonomorpha and Streptosauria. Proceedings of the Boston Society of Natural History 12:250-266

Belongs to Platecarpus according to F. Fanti et al. 2014

See also Cope 1870, Cope 1871, Cope 1872, Cope 1874, Cope 1875, Cope 1877, Hay 1902, Konishi and Caldwell 2007, Konishi et al. 2010, Konishi et al. 2012, Leidy 1873, Lindgren et al. 2010, Russell 1967, Swinton 1934, Thurmond 1969, Thurmond and Jones 1981 and Williston 1902

Sister taxa: Platecarpus affinis, Platecarpus anguliferus, Platecarpus brachycephalus, Platecarpus glandiferus, Platecarpus latispinus, Platecarpus planifrons, Platecarpus tectulus, Sironectes anguliferus, Lestosaurus latispinus, Holcodus tectulus, Holcodus acutidens

Type specimens:

  • Platecarpus tympaniticus: ANSP 8484, 8447, 8488, 8491, 8558, 8559, 8562, a partial skull. Its type locality is Columbus, which is in a Santonian/Campanian marine sandstone in the Eutaw Formation of Mississippi.
  • Holcodus coryphaeus:
  • Holosaurus abruptus:
  • Lestosaurus felix:
  • Lestosaurus gracilis: YPM 1264, a partial skeleton.
  • Lestosaurus latifrons:
  • Lestosaurus simus:
  • Liodon curtirostris:
  • Liodon ictericus: AMNH 1559. Its type locality is Smoky Hill River, 30 mi E Fort Wallace, which is in a Cretaceous marine horizon in Kansas.
  • Liodon mudgei: Its type locality is 6 mi S of Sheridan, which is in a Cretaceous marine chalk in Kansas.

Ecology: aquatic carnivore


• Cretaceous of United States (2: Kansas, Mississippi collections)

Total: 2 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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