Article

Paleontological Journal

, Volume 45, Issue 3, pp 260-265

First online:

New species of Early Bajocian Megateuthididae (Belemnitida) from the Pacific coast of Russia

  • O. S. DzyubaAffiliated withTrofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch, Russian Academy of Sciences Email author 
  • , T. I. NalnyaevaAffiliated withCentral Siberian Geological Museum

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Abstract

The belemnite rostrum from the upper Lower Bajocian of the Russian Far East that was earlier attributed to the Family Cylindroteuthididae, the species Cylindroteuthis confessa Nalnjaeva, and considered as the most ancient representative of the genus Cylindroteuthis is here placed in the family Megateuthididae. This belemnite is here described as Mesoteuthis soloniensis Nalnjaeva et Dzyuba, sp. nov. The analysis of belemnite distribution suggests that only representatives of the family Megateuthididae (genera Megateuthis, Mesoteuthis, and Paramegateuthis) inhabited the Far East seas in the Bajocian.

Keywords

belemnites Megateuthididae new species Bajocian Far East