Shell morphometry of three species of the genus Nuculana Link, 1807 (Bivalvia, Protobranchia, Nuculanidae) from continental shelf and slope Northeastern Brazil

  • Francisco J
  • Tenório D
  • Barros J
 et al. 
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Abstract

This study investigated and compared the patterns of shape and size of the shells of three species of the genus Nuculana Link, 1807. Nuculana acuta (Conrad, 1831), N. concentric (Say, 1824) and N. larranagai Klappenbach & Scarabino, 1968, collected in the continental shelf and slope in northeastern Brazil. A total of 30 valves of each species were used in the study. Through studies based on geometric morphometric was possible morphological comparisons using the method of superposition of anatomic landmarks. The canonical variate analysis showed differences conchologically in size and shape of species, corroborating the initial separation of the taxa in 74% of cases.

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Authors

  • Jonata Francisco

  • Deusinete Tenório

  • José Carlos Barros

  • Juliana Silva

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