Catalog - Heterohelix <title>Catalog - Heterohelix

CATALOG OF ORIGINAL DESCRIPTIONS: Heterohelix Ehrenberg 1843

This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.


Higher levels: pf_cat -> H -> Heterohelix
Other pages this level: Haeuslerina, Haigella, Hantkenina, Hantkenina (Applinella), Hantkenina (Aragonella), Hantkenina (Cribrohantkenina), Hantkenina (Hantkenina), Hartella, Hastigerina, Hastigerina (Bolliella), Hastigerina (Hastigerina), Hastigerinella, Hastigerinella (Hastigerinoides), Hastigerinoides, Hastigerinopsis, Hedbergella, Hedbergella (Asterohedbergella), Hedbergina, Helvetiella, Helvetoglobotruncana, Hendersonia, Hendersonites, Heterohelix, Heterohelix (Pseudoguembelina), Hillsella, Huberella

Guembelina (Chiloguembelina) pseudotessera subsp. directa Aliyulla 1965

Heterohelix (Heterohelix) planeobtusa Aliyulla 1965
= Braunella punctulata
Heterohelix dentata Stenestad 1968
= Laeviheterohelix dentata
Heterohelix fayose Petters 1983
= Planoheterohelix globulosa
Heterohelix hohenemsensis Fuchs 1971

Heterohelix ivandeklaszi Odebode 1982
= Planoheterohelix globulosa
Heterohelix labellosa Nederbragt 1991
= Planoheterohelix labellosa
Heterohelix navarroensis Loeblich 1951
= Spiroplecta americana
Heterohelix nkporoensis Odebode 1982
= Planoheterohelix globulosa
Heterohelix olssoni Georgescu 2000
= Planoheterohelix olssoni
Heterohelix orientalis Kavary in Kavary and Frizzell 1964
= Planoheterohelix globulosa
Heterohelix pachymarginata Stenestad 1968
= Planoheterohelix planata
Heterohelix pseudoglobulosa Frerichs 1979
= Planoheterohelix globulosa
Heterohelix pseudoreussi Bergstresser and Frerichs 1982
= Planoheterohelix globulosa
Heterohelix robusta Stenestad 1968
= Braunella punctulata
Heterohelix rumseyensis Douglas 1969
= Planoheterohelix rumseyensis
Heterohelix sphenoides Masters 1976
= Planoheterohelix sphenoides
Heterohelix stenopos Masters 1976
= Planoheterohelix stenopos
Heterohelix striata var. aegyptiaca Ansary and Tewfik 1966
= Planoheterohelix globulosa
Heterohelix suwalkensis Gawor-Biedowa 1992

Heterohelix trochospiralis Fuchs 1971

Heterohelix varsoviensis Gawor-Biedowa 1992

Heterohelix virgata Khalilov 1967
= Zeauvigerina virgata
Heterohelix vistulaensis Peryt 1980
= Heterohelix vistulaensis

Heterohelix

Citation: Heterohelix Ehrenberg 1843
Rank: Genus
Type species: Textillaria americana Ehrenberg 1843
Described on page(s) : 429

Current identification/main database link: Heterohelix Ehrenberg 1843


Original Description

Cellulae primae nonnullis spirales. Tales formae forsan proprio generi addicendae sunt: Heterohelix.

Approximate translation (by JRY 2019 - with assistance from google translate)
Sometimes the first chambers are spirally arranged. These forms can perhaps be assigned their own genus: Heterohelix.
N.B. This brief description appears after the description of Textilaria americana and is used to distinguish this form from similar biserial forams without the initial spiral portion. 

Size:

Etymology:

Extra details from original publication

Editors' Notes
NB Gender - the greek word helix is a feminine noun.
The generic descriton follows the description of Textillaria americana and is generally taken as meaning that forms similar to T. americana, but with an initial spiral, should go in the new genus Heterohelix. See discussions in Loeblich 1951, Frerichs & Gaskill 1978, and Georgescu & Huber 2009.

References:

Ehrenberg, C. G. (1843b). Verbreitung und Einfluss des mikroscopischen Lebens in Süd- und Nord Amerika. Bericht uber die zu Bekanntmachung geeigneten Verhandlungen der Koniglichen Preussische Akademie der Wissenschaften zu Berlin. 1841: 291-446. gs

Frerichs, W. E. & Gaskill, C. H. (1978). Textilaria americana Ehrenberg: Type species of Heterohelix. Journal of Foraminiferal Research. 8(2): 143-146. gs

Georgescu, M. D. & Huber, B. T. (2009). Early evolution of the Cretaceous serial planktic foraminifera (late Albian-Cenomanian). Journal of Foraminiferal Research. 39: 335-360. gs

Loeblich, A. R. (1951). Coiling in the Heterohelicidae. Contributions from the Cushman Foundation for Foraminiferal Research. 2: 106-110. gs V O

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Heterohelix compiled by the pforams@mikrotax project team viewed: 2-2-2023

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