Sphenolithaceae

Citation: 
FAMILY SPHENOLITHACEAE DEFLANDRE, 1952

Monogeneric family of extinct nannofossils of uncertain affinities. Sphenoliths first appear in the Palaeocene and go extinct in the mid Pliocene. See genus Sphenolithus for longer discussion.

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Scratchpads developed and conceived by: Vince Smith, Simon Rycroft & Dave Roberts