Helicosphaera pavimentum

Edited by Jeremy Young on Wed, 09/03/2011 - 18:30

Helicosphaera pavimentum Okada and McIntyre, 1977

Description: Small to medium sized. Flange narrow without distinct wing. Central-area with two small in-line pores.

Remarks: A distinctive extant species but rarerly recorded from fossil record

Range: NN19? to 21.

Original description:

Geological Time Data

Geological Time Periods:

NN21

NN19

Biblio Reference:

Young, JR. 1998. Neogene. Calcareous nannofossil biostratigraphy. :225-265.

Nannotax Enabling nannofossil research