Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
![]() | ![]() | Gorbachikella depressa | ||
![]() | Gorbachikella grandiapertura | |||
Gorbachikella kugleri | ||||
Gorbachikella neilii | ||||
Gorbachikella sp. Specimens which cannot be assigned to established species |
Taxonomy
Original description: Test trochospiral, consisting of two or more whorls, initially with four or more chambers per whorl, and final whorl of four chambers, which are typically subglobular or reniform; spiral side completely evolute, umbilical side almost completely involute but with a distinct, true umbilicus; aperture intraumbilical, a low or high symmetrical arch; wall calcareous, microperforate (external diameters < 1.5µm), smooth, not muricate, probably calcitic.
Entries in the Catalog of original descriptions: Gorbachikella
Geological Range:
Last occurrence (top): within Aptian Stage (112.95-126.30Ma, top in Aptian stage). Data source: Total of range of species in this database
First occurrence (base): within Hauterivian Stage (130.77-133.88Ma, base in Hauterivian stage). Data source: Total of range of species in this database
Plot of range and occurrence data:
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Gorbachikella compiled by the pforams@mikrotax project team viewed: 28-2-2021
Short stable page link: https://mikrotax.org/pforams/index.php?id=110205 Go to Archive.is to create a permanent copy of this page - citation notes |