Catalog - Globotruncana fresnoensis Catalog - Globotruncana fresnoensis

CATALOG OF ORIGINAL DESCRIPTIONS: Globotruncana fresnoensis Martin 1964

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 fresnoensis
Other pages this level: << < G. dentata, G. dorreeni, G. dupeublei, G. erevanica, G. falsocalcarata, G. falsostuarti, G. fareedi, G. flexuosa, G. fornicata, G. fornicata ackermanni, G. fornicata cesarensis, G. fornicata globulocamerata, G. fornicata manaurensis, G. fornicata motai, G. fornicata plummerae, G. fresnoensis, G. fundiconulosa, G. gagnebini, G. gansseri, G. gansseri gandolfii, G. gansseri subgansseri, G. globigerinoides, G. goudkoffi, G. hanzawai, G. havanensis, G. helvetica, G. helvetica posthelvetica, G. hilli, G. imbricata, G. indica, G. inornata> >>

Globotruncana fresnoensis

Citation: Globotruncana fresnoensis Martin 1964
Taxonomic rank: species

Current identification/main database link: Marginotruncana marginata (Reuss, 1845)


Original Description

Test rotaloid, biconvex, median trochoid spire, subcircular in outline, moderately large umbilical area; periphery lobulate, edge truncate, inclined toward ventral side, bicarinate; chambers 6 to 7 in last whorl, inflated on spiral or dorsal side, ventral ones overlapping and inflated; wall calcareous, smooth, finely perforate; sutures raised, curved, beaded on spiral side; ventral ones horseshoe-shaped and over-lapping ; aperture interiomarginal, a low arched opening facing the umbilical area, relict apertural lip of previous chambers observed in some specimens.

References:

Martin, L. (1964). Upper Cretaceous and Lower Tertiary foraminifera from Fresno County, California. Jahrbuch der Geologischen Bundesanstalt, Sonderband. 9: 1-128. gs


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Globotruncana fresnoensis compiled by the pforams@mikrotax project team viewed: 25-4-2025

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Short stable page link: https://mikrotax.org/pforams/index.php?id=131422 Go to Archive.is to create a permanent copy of this page - citation notes



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