Catalog - Orbulina circularosuturalis Catalog - Orbulina circularosuturalis

CATALOG OF ORIGINAL DESCRIPTIONS: Orbulina circularosuturalis Wang & He, Lin et al. 1978

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 -> O -> Orbulina -> Orbulina circularosuturalis
Other pages this level: O. bituminosa, O. circularosuturalis, O. cornwallisi, O. foveolata, O. foveolata maculata , O. gemina, O. granulata, O. granulata areolata, O. granulata atra, O. granulata impressa, O. hirta, O. imperfecta, O. nitida, O. parva, O. petraea, O. quadrilobata alpha, O. quadrilobata incrusta, O. suturalis, O. trisphaerica, O. tuberculata, O. universa, O. universa aculeata, O. universa alpha, O. universa beta, O. universa bisphaerica, O. universa fulvoviolacea, O. universa parkerae, O. universa spinescens

Orbulina circularosuturalis

Citation: Orbulina circularosuturalis Wang & He, Lin et al. 1978
Taxonomic rank: species
Type specimens: pl 26, fig. 2, holotype [L.H.-15.], side view, X 50.
Type age (chronostrat): Pliocene
Type locality: Haikang County, Guangdong Province, China
Type repository: probably deposited in the collections of the Geological Institution of Hubei Province, China

Current identification:


Original Description

Test spherical in outline, an internal Globigerina stage enveloped by the final spherical chamber. Wall coarsely perforate.
Aperture consisting of numerous small openings arranged in small circle. [cinese tnslattion copied from Ellis & Messina Catalog]

Size:
Diameter 0.81 mm

Extra details from original publication
Comparison. - This species is distinguished from Orbulina universa d'Orbigny of Lin, Wang, He and Qiu (1978, op. cif., p. 102, pi. 26, fig. 1) aperture consisting of numerous small openings arranged in circle. It differs from O. suturalis (Jedlitschka) in latter's sutural aperture arranged irregularly or in globigerine form. This species is transitional between O. suturalis and O. universa, but closer to the latter

References:

Lin, J., Wang, N., He, X. & Qiu, S (1978). Foraminifera, Tertiary. In, Unknown (ed.) Palaeontological Atlas of Middle and South China, volume 4 Microfossils. Geological Publising house, Beijing 102-102. gs


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Orbulina circularosuturalis compiled by the pforams@mikrotax project team viewed: 7-2-2025

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