Heterohelicoidea

Heterohelicoidea; Temporal range: Early Cretaceous - Present; (Aptian - present)
Scientific classification
Domain:	Eukaryota
Clade:	Diaphoretickes
Clade:	SAR
Phylum:	Retaria
Subphylum:	Foraminifera
Class:	Globothalamea
Order:	Rotaliida
Suborder:	Globigerinina
Superfamily:	Heterohelicoidea; Cushman, 1927
Families
	Heterohelicidae Cushman, 1927;
Synonyms
	Heterohelicacea

Heterohelicoidea is a superfamily of middle Jurassic to Oligocene planktonic forams characterized by biserial or triserial tests, at least in the early stage, that may be reduced in the later stage but more commonly show chamber proliferation in the later stage. Aperture a low or high arch at the base of the final chamber or terminal in uniserial stage. Heterohelicoidea contains one family, the Heterohelicidae.^[1]

References[edit]

^ Heterohelicoidea, World Foraminifera Database, accessed 27 November 2018

Loeblich, A.R. Jr and H. Tappan 1988. Foraminiferal Genera and their Classification. Van Nostrand Reinhold

External links[edit]

Foraminiferida

This Foraminifera-related article is a stub. You can help Wikipedia by expanding it.

[WFD-1] Heterohelicoidea, World Foraminifera Database, accessed 27 November 2018

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