Heterohelix, Foraminifera

Foraminifera by: Genus Locality Fossil Query

Uvigerina peregrina, Campos, Brazil, Foraminifera

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Heterohelix Ehrenberg 1843
Type species: Heterohelix americana Ehrenberg 1843 not listed in WoRMS

Description:
Test biserial with our without an initial planispiral coil; wall finely to coarsely perforate with costae, not agglutinated, multiserial growth may be present as a terminal stage. Range: Upper Albian to Maastrichtian; cosmopolitan. The classification on the species level presented here needs to be revised. Comments are welcome.
Recommended literature:
Abramovich, Sigal et. al. 2003: Characterization of late Campanian and Maastrichtian Planktonic foraminiferal depth habitats and vital activities based on stable isotopes in Palaeogeography, Palaeoclimatology, Palaeoecology 202 (2003)
Nederbragt, 1991 A. Nederbragt, Late Cretaceous biostratigraphy and development of Heterohelicidae (planktic foraminifera), Micropaleontology 37 (1991)
Tollmann, 1960: Die Foraminiferenfauna des Oberconiac aus der Gosau des Ausseer Weissenbachtales in Steiermark, Jb . Geol. B. A. Bd. 103 S. 133-203 Wien, Sept. 1960

Heterohelix sp. --- Atzendorf, Germany Oligocene Paleogene	Heterohelix globulosa (Ehrenberg, 1840) Wattenscheid, Germany Turonian Late Cretaceous Cretaceous	Heterohelix globulosa (Ehrenberg, 1840) Wattenscheid, Germany Turonian Late Cretaceous Cretaceous

Heterohelix moremani (Cushman 1938) Dallas-Fort Worth, USA Cenomanian Late Cretaceous Cretaceous	Heterohelix moremani (Cushman 1938) Dallas-Fort Worth, USA Cenomanian Late Cretaceous Cretaceous	Heterohelix sp. --- Dallas-Fort Worth, USA Cenomanian Late Cretaceous Cretaceous

Heterohelix sp. --- Haltern am See, Germany Campanian Late Cretaceous Cretaceous	Heterohelix sp. --- Wattenscheid, Germany Turonian Late Cretaceous Cretaceous	Heterohelix sp. --- Wattenscheid, Germany Turonian Late Cretaceous Cretaceous

Heterohelix striata (Ehrenberg, 1838) Brunswick County NC, USA Maastrichtian Late Cretaceous Cretaceous	Heterohelix striata (Ehrenberg, 1838) Brunswick County NC, USA Maastrichtian Late Cretaceous Cretaceous	Heterohelix striata (Ehrenberg, 1838) Brunswick County NC, USA Maastrichtian Late Cretaceous Cretaceous

Heterohelix striata (Ehrenberg, 1838) Brunswick County NC, USA Maastrichtian Late Cretaceous Cretaceous	Heterohelix striata (Ehrenberg, 1838) Essen, Germany Cenomanian Late Cretaceous Cretaceous	Heterohelix striata (Ehrenberg, 1840) Haltern am See, Germany Campanian Late Cretaceous Cretaceous

Heterohelix striata (Ehrenberg, 1840) Haltern am See, Germany Campanian Late Cretaceous Cretaceous	Heterohelix striata (Ehrenberg, 1840) Haltern am See, Germany Campanian Late Cretaceous Cretaceous	Heterohelix striata (Ehrenberg, 1840) Haltern am See, Germany Campanian Late Cretaceous Cretaceous

Heterohelix striata (Ehrenberg, 1840) Haltern am See, Germany Campanian Late Cretaceous Cretaceous	Heterohelix striata (Ehrenberg, 1838) Laegerdorf AH22, Germany Campanian Late Cretaceous Cretaceous	Heterohelix striata (Ehrenberg, 1838) Starkville MS, USA Maastrichtian Late Cretaceous Cretaceous

Heterohelix striata (Ehrenberg, 1838) Weillohe, Germany Coniacian Late Cretaceous Cretaceous	Heterohelix striata (Ehrenberg, 1838) Weillohe, Germany Coniacian Late Cretaceous Cretaceous	Heterohelix striata (Ehrenberg, 1838) Weillohe, Germany Coniacian Late Cretaceous Cretaceous

recent Quaternary/Neogene Paleogene Cretaceous Jurassic Triassic Permian Carboniferous