CATALOG OF ORIGINAL DESCRIPTIONS: Globotruncana marianosi Douglas 1969

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 -> Globotruncana -> Globotruncana marianosi
Other pages this level: << < G. lapparenti longilocula, G. leupoldi, G. linnei angusticarenata, G. linnei bulloides, G. linnei caliciformis, G. linnei stuarti, G. linneiana obliqua, G. linneiformis, G. lobata, G. loeblichi, G. loefgreni, G. lugeoni, G. lugeoni angulata, G. lunaris, G. marginata austinensis, G. marianosi, G. mariei, G. mayaroensis, G. mexicana, G. monmouthensis, G. morozovae, G. nakkadyi, G. naqibi, G. navarroensis, G. neotricarinata, G. orientalis, G. pessagnoi, G. postrugosa, G. poststephensoni, G. pozaryskae, G. pseudoconica, > >>

Globotruncana marianosi

Citation: Globotruncana marianosi Douglas 1969
Rank: Species
Type locality: unnamed Turonian strata at the east end of san Miguel Island, Santa Barbara County
Type age: Turonian
Holotype Repository: Berkeley, CA; UCMP collection microfossils
Type & figured specimens: 49003 - CWRUH 013 - paratype 43005 UCLA 47027

Current identification/main database link: Dicarinella marianosi (Douglas, 1969)

Original Description
"Test free, large, low trochospiral with nearly flat spiral side, umbilicoconvex; equatorial periphery slightly lobate; axial periphery angular, with single keel. Chambers triarcuate and petaloid on spiral side; subrectangular to subtriangular, inflated on umbilical side; increasing rapidly in size, 6-8 in final whorl. Sutures curved, raised, beaded on spiral side; depressed, radial on umbilical side. Wall calcareous, perforate, radial in structure; surface smooth. Umbilicus wide and deep. Aperture interiomarginal, extraumbilical-umbilical, extending onto the margin with apertural flaps extending into the umbilical cavity."


Douglas, R. G. (1969). Upper Cretaceous planktonic foraminifera in northern California. Part 1 - Systematics. Micropaleontology. 15(2): 151-209. gs :: ::

Robaszynski, F., Caron, M. & le Groupe de Travail Européen des Foraminifères Planctoniques (1979). Atlas des Foraminiféres Planctoniques du Crétace Moyen (Mer Boréale et Téthys). Cahiers de Micropaléontologie,. 1 & 2: 1-185. gs :: ::


Globotruncana marianosi compiled by the pforams@mikrotax project team viewed: 29-5-2020

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