MORFOLOGÍA Y BIOMETRÍA DE LAS ESPECIES DE CLARKEIA KOZLOWSKI (BRACHIOPODA, RHYNCHONELLIDA) EN EL SILÚRICO DE LA PRECORDILLERA ARGENTINA

Authors

  • Juan L. Benedetto Div. Paleontología de Vertebrados
  • Patricia Peralta
  • Teresa M. Sánchez

Abstract

The malvinokaffric genus Clarkeia occurs at many levels and localities in the Los Espejos Formation (Mid-Late Silurian) of the Precordillera belt, west-central Argentina. The abundance and preservation of most populations permit thorough analysis of their external and internal features and their range of variations. Morphometric study, shell growth pattems and external and internal morphology indicate that the genus Clarkeia was represented by four species in the Precordillera basin: C. tambolarensis sp. nov., C. deflexa sp. nov., C. alta sp.nov. and C. bodenbenderi (Kayser). The type species C. antisiensis (dOrbigny), which is redescribed and figured, seems to be restricted to the Silurian of Bolivia.

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Published

2014-02-03

Issue

Vol. 33 No. 3

Section

Articles

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How to Cite

MORFOLOGÍA Y BIOMETRÍA DE LAS ESPECIES DE CLARKEIA KOZLOWSKI (BRACHIOPODA, RHYNCHONELLIDA) EN EL SILÚRICO DE LA PRECORDILLERA ARGENTINA. (2014). Ameghiniana, 33(3), 279-299. https://ameghiniana.org.ar/index.php/ameghiniana/article/view/2330

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