Catalog - Globigerina subsphaerica <title>Catalog - Globigerina subsphaerica

CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina subsphaerica Subbotina 1947

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 -> Globigerina -> Globigerina subsphaerica
Other pages this level: << < G. simulans, G. siphonifera, G. soldadoensis, G. soldadoensis angulosa, G. spinuloinflata, G. spiralis, G. spirata, G. stainforthi, G. stainforthi Hofker, G. steiningeri, G. stonei, G. subcorpulenta, G. subcretacea, G. subcretacea Chapman, G. subdigitata, G. subsphaerica, G. subtarchanensis, G. subtriloculinoides, G. supracretacea, G. taminensis, G. tarchanensis, G. tardita, G. taroubaensis, G. tecta, G. terquemi, G. tetracamerata, G. topilensis, G. triangularis, G. tricamerata, G. trigonula, G. triloba> >>

Globigerina subsphaerica

Citation: Globigerina subsphaerica Subbotina 1947
Rank: Species
Described on page(s) : 108-109
Type specimens: pl 5 f23-28
Type locality: G. ex gr. canariensis Zone, Assu River section, N Caucasus
Type repository: St. Petersburg, Russia; VNIGRI

Current identification/main database link: Acarinina subsphaerica (Subbotina 1947)


Original Description

Test small, nearly spherical; viewed from the ventral side, it very often resembles a slightly bursting chestnut. Test consists of three or three and one-half whorls, of which the first two are disproportionately small as compared with the final whorl. In the final whorl there are five to six chambers gradually increasing in size. In the middle of the ventral side there is a small umbilicus. The chambers are trapezoidal on the dorsal side, and triangular on the ventral side; they have a smooth outer surface and adhere closely to one another. Septal sutures depressed, slightly curved in the direction of coiling. Aperture semi-rounded, occupying approximately one-third of the distance between the umbilicus and the periphery. Wall reticulate, finely porous.

Size:
Average dimensions: Greatest diameter 0.27 mm.; height 0.25 mm.

Etymology:

Extra details from original publication

Editors' Notes

References:

Subbotina, N. N. (1947). Danian and Paleogene foraminifera of the northern Caucasus. Vses Neft Nauchno-Issled Geol-Razved Inst. (VNIGRI), Microfauna of the oil fields of the USSR. 1947: 39-160. gs V O


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Globigerina subsphaerica compiled by the pforams@mikrotax project team viewed: 28-1-2023

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