Helicosphaera euphratis

Edited by Jeremy Young on Wed, 09/03/2011 - 18:24

Helicosphaera euphratis Haq, 1966

Description: Central-area almost filled by strongly inclined disjunct bar, often very large.

Remarks:

Original description:

Synonym: H. parallela Bramlette and Wilcoxon, 1967.

Variant: H. rhomba (Bukry, 1971) Jafar and Martini, 1975 - bar does not fill central-area, transitional to H. intermedia.

Geological Time Data

Geological Time Periods:

NN4

Paleogene

Biblio Reference:

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

Nannotax Enabling nannofossil research