Catalog - Globoquadrina quadraria advena Catalog - Globoquadrina quadraria advena

CATALOG OF ORIGINAL DESCRIPTIONS: Globoquadrina quadraria advena Bermudez 1949

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 -> Globoquadrina -> Globoquadrina quadraria advena
Other pages this level: G. altispira conica, G. altispira globosa, G. asanoi, G. dehiscens praedehiscens, G. globularis, G. himiensis, G. kagaensis, G. langhiana, G. larmeui, G. obesa, G. pachyderma pacifica, G. palmerae, G. patriciae, G. pozonensis, G. primitiva, G. pseudofoliata, G. quadraria advena, G. sellii, G. subdehiscens, G. tripartita laxispira, G. tripartita tricamerata

Globoquadrina quadraria advena

Citation: Globoquadrina quadraria advena Bermudez 1949
taxonomic rank: sub-species
Type specimens: Holotype and paratypes USNM no. 63245. Topotypes Standard Oil Company of Cuba, which are now at the University of Havana, Cuba; the University of Santo Domingo ,Ciudad Trujillo, Dominican Republic; the Dorothy K. Palmer Collection at t he Paleontological Research Institution, Ithaca, New York; and in the author's personal collection.
Type sample (& lithostrat): Gurabo formation; massive, fine-grained, sandy marl.
Type age (chronostrat): Middle Miocene
Type locality: Sample H-15000, from about 1km south of Yasica on the road from Puerto Plata to Santiago de los Caballeros, Puerto Plata Province, Dominican Republic
Type repository: Washington, USNM

Linked specimens: USNM-63245 USNM-63246

Current identification:

Original Description

Test stout, tumid, unequally biconvex, side slightly convex, ventral side very much so, strongly two whorls, the early chambers closely coiled, four chambers making up the last whorl, the chambers increasing rapidly in size as added, the border of the chambers on the ventral side subacute; spiral suture simple, chamber sutures indistinct; wall vitreous, coarsely perforate; aperture at the base of the last chamber with a narrow valvular flap.

Diameter, 0.56 mm.; height, 0.49 mm.

Extra details from original publication
This variety differs from the typical form (= Globorotalia quadraria Cushman and Ellisor, 1939) in being more elevated ventrally, and in having the surface completely perforate, in contrast to the species in which half of each chamber is smooth


Bermudez, P. J. (1949). Tertiary smaller foraminifera of the Dominican Republic. Cushman Laboratory for Foraminiferal Research, Special Publication. 25: 1-322. gs


Globoquadrina quadraria advena compiled by the pforams@mikrotax project team viewed: 20-6-2024

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