CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina dubia var. lakiensis Haque 1956

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 dubia lakiensis
Other pages this level: << < G. danica, G. danvillensis, G. daubjergensis, G. decepta, G. depressa, G. depressa d’Orbigny, G. detrita, G. difformis, G. digitata, G. dinodensis, G. diplostoma, G. dissimilis, G. druryi, G. druryi decoraperta, G. dubia, G. dubia lakiensis, G. dubiata, G. dudrouensis, G. dutertrei, G. eamesi, G. edita, G. edita polycamera, G. eggeri, G. eggeriformis, G. elburganica, G. elevata, G. elongata, G. elongata Shutskaya, G. eocaena, G. eocaenica, G. eocaenica irregularis, > >>

Globigerina dubia lakiensis

Citation: Globigerina dubia var. lakiensis Haque 1956
Rank: Variety
Type locality: A measured section in Nammal Gorge, Salt Range, western Pakistan.
Type age: Lower Eocene
Type sample and level: Laki series, Nammal limestone,
Holotype Repository: Quetta, Pakistan; Geological Survey

Current identification/main database link: Acarinina esnehensis (Nakkady 1950)


Original Description
Test coiled in a low spire, somewhat plano-convex; periphery broadly rounded, lobulate. Dorsal side nearly flat or slightly arched, evolute, showing nearly two and one-fourth coils. Ventral side very high, convex, deeply umbilicate, completely involute, showing four and one-half chambers. Chambers globular, increasing rapidly in height but very gradually in width with the growth. Sutures distinct, depressed. Wall cancellated, rather coarsely perforate, radial, hyaline. Aperture an arched slit on the ventral side, at the base of the last chamber opening inot the umbilicus with an upper lip.

Size: Length of the holotype 0.4 mm.; breadth 0.3 mm.; thickness 0.3 mm. 

Extra details from original publication
Differences - This variety differs from the typical form in the more compressed dorsal side, lesser number of coils, and somewhat less globular chambers.

References:

Haque, A. F. M. M. (1956). The smaller foraminifera of the Ranikot and the Laki of the Nammal gorge, Salt Range. Memoir of the Pakistan Geological Survey. 1: 1-300. gs :: ::


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Globigerina dubia lakiensis compiled by the pforams@mikrotax project team viewed: 9-7-2020

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