Catalog - Globigerinella evoluta evoluta Catalog - Globigerinella evoluta evoluta

CATALOG OF ORIGINAL DESCRIPTIONS: Globigerinella evoluta subsp. evoluta Fordham 1986

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 -> G -> Globigerinella -> Globigerinella evoluta evoluta
Other pages this level: G. aberranta, G. aissana, G. alexi, G. biforaminata, G. cushmani, G. duboisi, G. escheri clavata, G. evoluta, G. evoluta evoluta, G. gottisi, G. japonica, G. liverovskae, G. megaperta, G. messinae messinae, G. messinae subcarinata, G. naguewichiensis, G. praemicra, G. pseudovoluta, G. roeglina, G. subangulata, G. tururensis, G. ultramicra, G. voluta pinguis

Globigerinella evoluta evoluta

Citation: Globigerinella evoluta subsp. evoluta Fordham 1986
taxonomic rank: sub-species
Type specimens: UQF 71791.
Type age (chronostrat): Globigerina nepenthes zone; upper Miocene.
Type locality: DSDP 208-14-4 74-76 cm.
Type repository: Brisbane, Australia; U Queensland Univ.

Current identification:


Original Description

Large, fairly robust; barely elevated dextral trochospire, tight parallel to axis, increasingly loose perpendicular to axis. Equatorial outline moderately lobate; lateral outline not quite symmetrical. Chambers spherical, slightly appressed, at least 11 (15?) in total, 4 in final whorl. Dorsal view: chambers circular, moderately inflated; sutures moderately incised; intercameral sutures radial. Ventral view: chambers very inflated; sutures radial; umbilicus very wide. Lateral view: smoothly rounded; aperture an umbilical--extraumbilical arch of consistent moderate height. Wall densely perforate and pustulose, smooth between.

Size:
Length, 535 µm; width, 435 µm; height, 310 µm.

Etymology:
Latin, evolvo, -utus, unroll, unfold.

Extra details from original publication
Description based on: Common material
Holotype fig.: Fordham 1986 PI. 9, fig. 1.

Editors' Notes
  1. Fordham 1986 included both Globigerinella evoluta n. sp and Globigerinella evoluta evoluta n. subsp. but there was no separate description or type designation for the species.
  2. Globigerinella evoluta Subbotina 1960 is a senior homonym and a different species

References:

Fordham, B. G. (1986). Miocene-Pleistocene planktic foraminifers from D.S.D.P. Sites 208 and 77, and phylogeny and classification of Cenozoic species. Queensland, Australia. 1-224. gs


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Globigerinella evoluta evoluta compiled by the pforams@mikrotax project team viewed: 20-4-2024

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