= Planoglobulina brazoensis
= Planoglobulina multicamerata
= Ventilabrella eggeri
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.
| | | Planoglobulina brazoensis Martin 1972 = Planoglobulina brazoensis |
| | Planoglobulina meyerhoffi Seiglie 1960 = Planoglobulina multicamerata | |
| Planoglobulina taylorana Cushman 1938 | ||
| | Planoglobulina transcaucasica Aliyulla 1965 = Ventilabrella eggeri |
Current identification/main database link: Planoglobulina Cushman 1927
See also: Guembelina acervulinoides - type species;
This genus represents an end form developed from Pseudotextularia Rzehak which in its earlier stages is similar but in the adult has the chambers in a coiling series about the aperturalend. Both genera are characteristic of the Upper Cretaceous of Europe and America.
Original Description
Test with the earliest chambers in the microspheric form planospiral, followed by a series arranged biserially and in the adult by a series ofglobular chambers spread out fan shaped or even partially extending back toward the earlier chambers on either side, the later chambers in a single plane; wall calcareous, perforate.
Extra details from original publication
References:
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Planoglobulina compiled by the pforams@mikrotax project team viewed: 13-6-2021
Short stable page link: https://mikrotax.org/pforams/index.php?id=131948 Go to Archive.is to create a permanent copy of this page - citation notes |