Helicosphaera euphratis

sketch Heuph
Citation: 
Helicosphaera euphratis Haq, 1966

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

Remarks:

Range: Palaeogene to NN4.

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.

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