Braarudosphaera

Citation: 
Braarudosphaera Deflandre 1947 [Pontosphaera]

Description: Pentaliths approximately pentagonal, sutures go to edges of pentagon. NB In Micrantholithus sutures go to vertices of the pentagon.

Remarks

Type species: Pontosphaera bigelowii Gran & Braarud 1935.

Range: Cretaceous to Recent.

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