Heterohelix is an extinct

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

foraminifera Foraminifera ( ; Latin for "hole bearers"; informally called "forams") are unicellular organism, single-celled organisms, members of a phylum or class (biology), class of Rhizarian protists characterized by streaming granular Ectoplasm (cell bio ...

belonging to the family

Heterohelicidae Heterohelicidae is a family of foraminifera belonging to the superfamily Heterohelicoidea and the suborder Globigerinina.

of the superfamily

Heterohelicoidea Heterohelicoidea is a superfamily of middle Jurassic to Oligocene The Oligocene ( ) is a geologic epoch (geology), epoch of the Paleogene Geologic time scale, Period that extends from about 33.9 million to 23 million years before the present ...

and the suborder

Globigerinina The Globigerinina is a suborder of foraminiferans that are found as marine plankton. They produce hyaline calcareous Test (biology), tests, and are known as fossils from the Jurassic period onwards. The group has included more than 100 genera a ...

.Heterohelix
World Foraminifera Database, accessed 27 November 2018 Its type species is ''

Heterohelix americana Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' (formerly ''Textilaria americana'').

Species

Species in ''Heterohelix'' include: * ''

Heterohelix americana Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * ''

Heterohelix budugensis Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * ''

Heterohelix buliminiformis Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * '' Heterohelix bulloides'' * ''

Heterohelix calabarflanki Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * '' Heterohelix carinata'' * ''

Heterohelix concinna Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * ''

Heterohelix cornuta Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * ''

Heterohelix digitata Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * '' Heterohelix elongata'' * '' Heterohelix gradata'' * ''

Heterohelix hohenemsensis Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * ''

Heterohelix ilkhidagensis Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * ''

Heterohelix irregularis Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * ''

Heterohelix labellosa Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * ''

Heterohelix oculis Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * ''

Heterohelix perquadrata Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * ''

Heterohelix praeelongata Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * ''

Heterohelix praegradata Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * ''

Heterohelix praeirregularis Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * ''

Heterohelix pseudocarseyae Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * ''

Heterohelix pseudoreussi Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * ''

Heterohelix robusta Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * ''

Heterohelix sphenoides Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * '' Heterohelix stenopos'' * '' Heterohelix suwalkensis'' * ''

Heterohelix trochospiralis Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' * '' Heterohelix varsoviensis'' * ''

Heterohelix vistulaensis Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' *subgenus ''

Heterohelix (Heterohelix) Heterohelix is an extinct genus of foraminifera belonging to the family Heterohelicidae of the superfamily Heterohelicoidea and the suborder Globigerinina.

'' ** '' Heterohelix (Heterohelix) planeobtusa''

References

{{Taxonbar, from=Q9003356 Foraminifera genera Globigerinina