Mosasaurus dekayi Bronn 1838 (mosasaur)

Reptilia - Squamata - Mosasauridae

Synonyms: Baseodon reversus Leidy 1865, Mosasaurus major DeKay 1842, Mosasaurus meirsii Marsh 1869, Mosasaurus miersii Marsh 1869

Belongs to Mosasaurus according to R. W. Gibbes 1851

See also Gallagher 2005, Hay 1902, Marsh 1869 and Russell 1967

Sister taxa: Mosasaurus beaugei, Mosasaurus caroliniensis, Mosasaurus conodon, Mosasaurus couperi, Mosasaurus gracilis, Mosasaurus grosjeani, Mosasaurus hobetsuensis, Mosasaurus hoffmanni, Mosasaurus iembeensis, Mosasaurus impar, Mosasaurus lemonnieri, Mosasaurus lonzeensis, Mosasaurus mangahouangae, Mosasaurus maximilliani, Mosasaurus minor, Mosasaurus missouriensis, Mosasaurus mokoroa, Macrosaurus validus, Nectoportheus validus

Type specimens:

  • Mosasaurus dekayi: Its type locality is Sandy Hook, Atlantic Highlands, which is in a Maastrichtian marine horizon in the Navesink Formation of New Jersey
  • Baseodon reversus:
  • Mosasaurus major:
  • Mosasaurus meirsii: Its type locality is Hornerstown area (Hornerstown Fm.) (PROXY), which is in a Maastrichtian marginal marine marl in the Hornerstown Formation of New Jersey.

Ecology: aquatic carnivore


• Cretaceous of United States (6: Maryland, New Jersey collections)

Total: 6 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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