Keywords

#orthoceras

Orthoceras

Extinct genus of molluscs

Orthoceras is a genus of extinct nautiloid cephalopod restricted to Middle Ordovician-aged marine limestones of the Baltic States and Sweden. This genus is sometimes called Orthoceratites. Note it is sometimes misspelled as Orthocera, Orthocerus or Orthoceros.

Fri 12th

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Orthoceras Orthoceras (disambiguation) Orthoceras strictum Orthoceras (plant) Diaporthe orthoceras Barbarea orthoceras Orthoceras novae-zeelandiae Orthocone Corydalis Nautiloid
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