Catalog - Globotruncana (Thalmanninella) ticinensis subticinensis <title>Catalog - Globotruncana (Thalmanninella) ticinensis subticinensis

CATALOG OF ORIGINAL DESCRIPTIONS: Globotruncana (Thalmanninella) ticinensis subticinensis Gandolfi 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 -> Globotruncana (Thalmanninella) -> Globotruncana (Thalmanninella) ticinensis subticinensis
Other pages this level: G. (Thalmanninella) ticinensis subticinensis

Globotruncana (Thalmanninella) ticinensis subticinensis

Citation: Globotruncana (Thalmanninella) ticinensis subticinensis Gandolfi 1957
Rank: sub-species
Type specimens: Not available
Type age (chronostrat): Late Albian
Type locality: Along the Breggia river near Chiasso, in the southern-most part of Canton Ticino, Switzerland.
Type repository: Basel, CH; Institut de Geologie, Universite de Basle, Swisse

Current identification/main database link: Pseudothalmanninella subticinensis (Gandolfi, 1957)

Original Description

This new subspecies is proposed for tests of Globotruncana (Thalmanninella) ticinensis Gandolfi with a partially developed keel. It serves as a link between the completely keeled form of Globotruncana (thalmanninella) ticinensis and Globotruncana (Ticinella) roberti (Gandolfi) [Anomalina roberti, 1942] (see Gandolfi, 1942, op.cit., p. 135, and Reichel, 1950, Eclogae Geol. Helv., vol. 42, no. 2, pp. 600-601). This subspecies, however, needs a new description, because Gandolfi (1942, op. cit., p. 113) states that Globotruncana ticinensis var. a has beaded sutures restricted to the inner coils of the test. The type description of the new subspecies, therefore, is as follows: "Test rotaliform, similar to that of Globotruncana (Thalmanninella) ticinesis Gandolfi subsp. ticinensis Gandolfi, with a single-keeled test and beaded sutures in the early stages (inner coils) only. the keel is thicker than that in the type, with coarser papillae (see Reichel, 1950, op. cit., p. 604). Chambers in the last coil inflated and with a rounded periphery. Faint indications of beaded sutures in the earliest chambers of the last coil. "A good illustration of the form showing apertural details is given by Reichel (1950, op. cit., pl. 16, fig. 2 [as Globotruncana (Thalmanninella) ticinensis var. a).



Extra details from original publication

Editors' Notes


Gandolfi, R. (1957). Notes on some species of Globotruncana. Contributions from the Cushman Foundation for Foraminiferal Research. 8(2): 59-65. gs V O


Globotruncana (Thalmanninella) ticinensis subticinensis compiled by the pforams@mikrotax project team viewed: 30-1-2023

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Comments (1)

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Le Coze

Original name: Globotruncana (Thalmanninella) ticinensis subsp. subticinensis Gandolfi, 1957

Jeremy Young (UK)

thanks - I've renamed it now

Page 1 of 1

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