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, > >>

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
Holotype Repository: London, UK; NHM
Type & figured specimens: P38283

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.


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


Globigerina portsdownensis compiled by the pforams@mikrotax project team viewed: 27-2-2020

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