Catalog - Globigerina portsdownensis

CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina portsdownensis Williams-Mitchell 1948

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 -> Globigerina -> Globigerina portsdownensis

Other pages this level: << < G. paradubia, G. paraobesa, G. paratriloculinoides, G. paravenezuelana, G. parisiensis, G. partidiana, G. parva, G. patagonica, G. pauciloculata, G. pera, G. picassiana, G. pileata, G. planispira, G. planoexilis, G. polusi, G. portsdownensis, G. postcretacea, G. posttriloculinoides, G. posttriloculinoides clinata, G. praebulloides, G. praebulloides leroyi, G. praebulloides occlusa, G. praebulloides pseudociperoensis, G. praebulloides pseudoleroyi, G. praebulloides tinguarensis, G. praedigitata, G. praeglobotruncanaeformis, G. prasaepis, G. prolata, G. prolonga, G. protoreticulata> >>

NHMp38283-143.jpg
holotype-143.jpg

Globigerina portsdownensis

Citation: Globigerina portsdownensis Williams-Mitchell 1948

Rank: Species

Type locality: 900 feet in D'Arcy Exploration Co. Ltd. Portsdown No. 1 well, Hampshire, England

Type specimens: P38283

Type repository: London, UK; NHM

Linked specimens: London, UK; NHM (PM P 38283)

Current identification/main database link: Muricohedbergella portsdownensis (Williams-Mitchell, 1948)

Original Description
Test free, trochoid; chambers globular (11-12 in the dorsal spire), not closely appressed, often the last chamber appearing to be almost detached in the adult stage; wall hyaline, finely perforate and cancellate; aperture small and indistinct, opening into the umbilicus.

References:

Williams-Mitchell, E. (1948). The zonal value of foraminifera in the Chalk of England. Proceedings of the Geologists' Association. 59: 96-. gs

Globigerina portsdownensis compiled by the pforams@mikrotax project team viewed: 19-9-2021

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Short stable page link: https://mikrotax.org/pforams/index.php?id=130602 Go to Archive.is to create a permanent copy of this page - citation notes

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