CATALOG OF ORIGINAL DESCRIPTIONS: Globigerinoides muratai Asano 1962

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 -> Globigerinoides -> Globigerinoides muratai
Other pages this level: << < G. higginsi, G. hurgadaensis, G. hyalinus, G. index, G. indigena, G. inusitatus, G. italicus, G. japonicus, G. joli, G. kennetti, G. korotkovi, G. kuehni, G. macrostoma, G. minuta, G. mitra, G. muratai, G. nuttalli, G. obliqua, G. obliquus amplus, G. obliquus extremus, G. parawoodi, G. parkerae, G. parva, G. pseudodubia, G. pseudoruber, G. pseudosellii, G. quadrilobatus hystricosus, G. quadrilobatus praeimmaturus, G. quadrilobatus primordius, G. ruber albus, G. ruber parkeri> >>

Globigerinoides muratai

Citation: Globigerinoides muratai Asano 1962
Rank: Species
Type locality: 80 m depth of the boring core at Shimuta, Wakamatsu City; Kyushu, Japan
Type age (chronostrat): Early Miocene
Type sample (& lithostrat): Norimatsu shale
Type specimens: Pl. 23, figs. 7a, b, c.; IGPS coli. cat. no. 77248 .

Current identification/main database link: Trilobatus quadrilobatus (d’Orbigny, 1846)

Original Description
Test low, trochospiral with four chambers in last whorl, periphery rounded, quad- rilobate equatorially; chambers inflated, arranged in 2-3 whorls; sutures depressed, gently curved; wall rather finely perforated; umbilicus large; primary aperture a medium-sized arch, interiomarginal, umbilical, with a clear lip, one or two supplementary sutural apertures are visible in last few chambers.

Size: Maximum diameter of holotype 0.5 mm.

Etymology: named for Dr. Shigeo Murata of the Kyushu Institute of Technology, Tobata, Japan

Extra details from original publication
Remarks:- This species is distinguished from its allied ones by the low trochospiral and typically quadrilobate outline of the test.

:- Occasionally found from the Norimatsu shale of the Chikuho Coal-fields.


Asano, K. (1962). Tertiary Globigerinids from Kyushu, Japan. Science Reports of the Tohoku University, Series 2 (Geology). Special Volume 5: 49-65. gs


Globigerinoides muratai compiled by the pforams@mikrotax project team viewed: 21-4-2021

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