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Triquetrorhabdulus striatus

Edited by Lyndsey on Thu, 10/03/2011 - 13:49

Triquetrorhabdulus striatus Muller, 1974

Description: species of Triquetrorhabdulus similar to T. rugosus but with subsidiary ridges on one lateral blade.

Remarks: Some specimens are dramatically different from typical T. rugosus but they vary considerably, and weak ridges occur on some typical T. rugosus specimens (e. g. Gartner 1967 pl. 9/1).

Original description:

Triquetrorhabdulus striatus 090176.jpgTriquetrorhabdulus striatus 090177.jpg

9-26striatus.JPG 9-27striatus.JPG 9-29striatus.JPG 9-28striatus.JPG

Geological Time Data
Geological Time Periods: 
NN12
NN10
Biblio Reference: 
Young, JR.  1998.  Neogene. Calcareous nannofossil biostratigraphy. :225-265.
Scratchpads developed and conceived by: Vince Smith, Simon Rycroft, Dave Roberts, Ben Scott...