Geosaurus giganteus Sömmerring 1816

Reptilia - Loricata - Metriorhynchidae

Alternative combinations: Lacerta gigantea, Mosasaurus giganteus

Synonyms: Brachytaenius perennis Meyer 1842, Geosaurus soemmeringii Meyer 1831, Geosaurus sommerringi Meyer 1831, Geosaurus sommerringii Meyer 1831, Halilimnosaurus crocodiloides Ritgen 1826, Mosasaurus bavaricus Holl 1829

Belongs to Geosaurus according to J. Parrilla-Bel and J. I. Canudo 2015

See also Bronzati et al. 2012, Cope 1869, Holl 1829, Lingham-Soliar 1995, Mantell 1851, Pictet 1853, Ritgen 1826, Swinton 1934, Young and Andrade 2009, Young et al. 2010 and Young et al. 2013

Sister taxa: Geosaurus grandis, Geosaurus lapparenti, Geosaurus medius

Type specimens:

  • Geosaurus giganteus: NHMUK PV R1229, a partial skull (incomplete skull and mandible, lacking snout and occiput). Its type locality is Daiting, which is in a Tithonian lagoonal/restricted shallow subtidal lime mudstone in the Mörnsheim Formation of Germany.
  • Brachytaenius perennis:
  • Geosaurus sommerringi:
  • Halilimnosaurus crocodiloides:
  • Mosasaurus bavaricus:


• Jurassic of Germany (3 collections)

Total: 3 collections including 4 occurrences

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Specimen images are retrieved through the ePANDDA API.

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