CATALOG OF ORIGINAL DESCRIPTIONS: Globigerinoides mitra Todd 1957

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 mitra
Other pages this level: << < G. haitiensis progomitulus, 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> >>

Globigerinoides mitra

Citation: Globigerinoides mitra Todd 1957
Rank: species
Type locality: Holotype (fig. 3) and paratype (fig. 6) from locality S621, northeast-central Saipan, Mariana Islands. Found also on Okinawa.
Type age (chronostrat): Holotype (fig. 3) and paratype (fig. 6) from the Miocene
Type sample (& lithostrat): Tagpochau limestone, Donni sandstone member. Also occurs in strata of Miocene age on Okinawa.
Type specimens: holotype (fig. 3), no. 624038; paratype (fig. 6), no. 624039.
Type repository: Washington; USNM

Linked specimens: USNM-624038 USNM-624039

Current identification/main database link: Globigerinoides mitra Todd 1957


Original Description
Test large, high-spired. Chambers numerous, higher than broad, inflated; 3 or 4 (exceptionally as many as 6) constituting the final whorl. Sutures indented. Wall thin, calcareous, perforate, finely spinose. Apertures several, the main one a large semicircular opening occupying most of the umbilical edge of the lastformed chamber; supplementary apertures small, at the junctions of the ve rtical sutures with the spiral suture, not observed in the early part of the spire. 

Size: Height 1.00-1.40 mm.; diameter 0.85-1.00 mm.

Extra details from original publication
This species is distinctive in its very high, sharp spire, and high, narrow chambers. It resembles Globigerina subcretacea Lomnicki in number of chambers in the final whorl but differs in its high spire and dorsal supplementary apertures.

References:

Todd, R. (1957). Smaller foraminifera, in Geology of Saipan, Mariana Islands, Pt. 3, Paleontology. U.S. Geological Survey, Professional Paper. 280-H: 265-320. gs V O

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

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