Revista geológica de América central ISSN Impreso: 0256-7024 ISSN electrónico: 2215-261X

OAI: https://revistas.ucr.ac.cr/index.php/geologica/oai
The Genus Yaberinella in Costa Rica: Record and Implications
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Keywords

Yaberinella
Fila de Cal
Eocene
Bartonian
Central America
Yaberinella
Fila de Cal
Eoceno
Bartoniano
América Central

How to Cite

Chesnel, V., Calvo, C., Bolz, Ángela, & Merayo, F. (2021). The Genus Yaberinella in Costa Rica: Record and Implications. Revista geológica De América Central, 64, 1–13. Retrieved from https://revistas.ucr.ac.cr/index.php/geologica/article/view/46621

Abstract

The genus Yaberinella is systematically described for the first time in Costa Rica. Measurements of features such as the mean proloculus diameter and the count and mean length (in axial sections) of whorls are used to help determining affiliation of two distinct species. Being relatively rare in the geological record and apparently restricted to the Caribbean region – with a controverted apparition in western Oman –, its presence in Pacific side´s deposits of Costa Rica is worth to mention. Besides, the presence of Yaberinella hottingeri together with Y. panamensis suggests an extension of the first species time slice.

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Copyright (c) 2023 Valentin Chesnel, Claudio Calvo, Ángela Bolz, Fabricio Merayo

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