CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina quadricamerata Antonova, in Antonova et al. 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.
Citation: Globigerina quadricamerata Antonova, in Antonova et al. 1964Rank: SpeciesType specimens: 6228Type age (chronostrat): Lower AptianType locality: Along the Kura River, a left tributary of the Pshish River, northwestern Caucasus, USSRType repository: Krasnodar Branch of the All-Union Oil and Gas Geological-Prospecting Institute (KF VNII)
Original Description Test small, with a low coil, rounded in outline, with a broadly rounded lobate peripheral margin. Consists of 10-11 chambers, forming 2-2.5 whorls. In the last whorl are 4-5 spherical chambers, freely in contact. Chambers increase in size as added more or less uniformly, but the last one is sometimes a little shorter than the preceding chamber and stretches out upwards. Sutures deep, very slightly curved. Umbilical region open, depressed. Aperture umbilical with a small lip in the form of a narrow curved lamina. Wall finely perforate, smooth, opaque.
References:
Antonova, Z. A., Shmigina, T. A., Gnedina, A. G. & Kalugina, O. M. (1964). Neokom i apt Mezduretsiya Pshekha-Ubin (Severo-Zapadnii Kavkaz). Voprosy stratigrafii i litologii mezozoiskikh i kainozoiskikh otlozhenii Krasodarskogo Kraya. [Foraminifera of the Neocomian and Aptian of the Psheka-Ubin interfluve (NW Caucasus)]. Trudy Vsesoyuznogo Neftegazovogo Nauchno-issledovatelskogo Instituta, Krasnodarskiy Filial. 12: 3-72. gs
Globigerina quadricamerata compiled by the pforams@mikrotax project teamviewed: 5-6-2023
holotype illus-731.jpg
holotype illus-731.jpg
Comments
(0)