Home

Hayaster

Edited by Jeremy Young on Wed, 09/03/2011 - 15:53

Genus Hayaster Bukry, 1973

Description: Placolith coccoliths with thin nearly flat distal shield, reduced number of rays and very small proximal; distal shield with straight sutures; dark in cross-polars. 

Remarks: The Hayaster structure is essentially the same as Calcidiscus, but with reduced proximal shield. Only the one species H. perplexa has been described.

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