Catalog - Globigerina pseudoeocaena trilobata

CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina pseudoeocaena var. trilobata Subbotina 1953

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 pseudoeocaena trilobata
Other pages this level: << < G. prasaepis, G. prolata, G. prolonga, G. protoreticulata, G. pseudoampliapertura, G. pseudobulloides, G. pseudocorpulenta, G. pseudocretacea, G. pseudodruryi, G. pseudoedita, G. pseudoeocaena, G. pseudoeocaena compacta, G. pseudoeocaena ellipsocamera, G. pseudoeocaena perfida, G. pseudoeocaena pseudoeocaena, G. pseudoeocaena trilobata, G. pseudoiota, G. pseudotriloba, G. pseudotriloba Shutskaya, G. puncticulata, G. pyriporosa, G. quadrata, G. quadricamerata, G. quadrilatera, G. quadrilobata, G. quadritriloculinoides, G. quinqueloba, G. quinqueloba egelida, G. radians, G. regina, G. regularis> >>

Globigerina pseudoeocaena trilobata

Citation: Globigerina pseudoeocaena var. trilobata Subbotina 1953
Rank: Variety

Current identification:


Original Description
[Translation from the Russian. - Test transitional between Globigerina pseudocaena var. pseudocaena Subbotina and Globigerina triloculinoides Plummer. It differs from the former in having fewer chambers in the final whorl, and in their closer attachment to one another. It is distinguished from the latter species by the usual presence of 3Â_ chambers by the final whorl and by the character of the aperture, which is a deeper slit along the marginal suture. Average dimensions: Diameter 0.50 mm.; thickness 0.18 mm. [Very often the marginal suture in Globigerina pseudoeocaena trilobata is not situated at the "equatorial plane" which divides the test into two halves, but an angle to it, closer to the terminal portion of the test.]

References:

Olsson, R. K., Hemleben, C., Huber, B. T. & Berggren, W. A. (2006a). Taxonomy, biostratigraphy, and phylogeny of Eocene Globigerina, Globoturborotalita, Subbotina, and Turborotalita. In, Pearson, P. N., Olsson, R. K., Hemleben, C., Huber, B. T. & Berggren, W. A. (eds) Atlas of Eocene Planktonic Foraminifera. Cushman Foundation for Foraminiferal Research, Special Publication. 41(Chap 6): 111-168. gs V O

Subbotina, N. N. (1953). Foraminiferes fossiles d'URSS Globigerinidae, Globorotaliidae, Hantkeninidae. Bureau de Recherches Geologiques et Minieres. 2239: 1-144. gs


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Globigerina pseudoeocaena trilobata compiled by the pforams@mikrotax project team viewed: 20-9-2021

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