Taxonomy
Entries in the Catalog of original descriptions:
Distinguishing features:
Parent taxon (Biticinella): Test with early whorls in a flat trochospiral coil, later whorls planispiral and biumbilicate, involute to partially evolute, sutures radial, depressed, peripheral outline lobulate, peripheral margin rounded and noncarinate; wall calcareous, moderately coarsely perforate; aperture a low and commonly asymmetrical, interiomarginal, umbilical-equatorial arch, parts of successive apertures may remain as relict supplementary apertures on one side of the test, the other side with accessory apertures opening into the posterior part of the chamber and bordered by a lip that is a continuation from that of the primary aperture.
This taxon: Specimens which cannot be assigned to established species
Geological Range:
Last occurrence (top): within (-Ma, top in "Holocene" stage).
First occurrence (base): within (-Ma, base in "Holocene" stage).
Plot of range and occurrence data:
References:
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Biticinella sp. compiled by the pforams@mikrotax project team viewed: 10-12-2023
Short stable page link: https://mikrotax.org/pforams/index.php?id=110022 Go to Archive.is to create a permanent copy of this page - citation notes |
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