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1 January 2016 Pinna rapanui n. sp. (Bivalvia: Pinnidae): The Largest Bivalve Species from Easter Island, South Pacific Ocean, Chile
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Abstract

A new bivalve species of the genus Pinna Linnaeus, 1758, is described from shallow water off the coast of Easter Island, southeastern Pacific Ocean. Pinna rapanui sp. n. has a small, broad, slightly angulated shell with a sculpture of commarginal growth lines and prominent radial ribs decorated by almost tubular, perpendicularly erect spines. This species is the 249th marine molluscan species found in Easter Island waters, and it is, by far, the largest bivalve species living around the island. A Polynesian origin of this species is suggested; however, its definite affinities with Indo-Pacific or South American fauna are still unknown.

© 2016 by University of Hawai'i Press All rights reserved
Juan Francisco Araya and Cecilia Osorio "Pinna rapanui n. sp. (Bivalvia: Pinnidae): The Largest Bivalve Species from Easter Island, South Pacific Ocean, Chile," Pacific Science 70(1), (1 January 2016). https://doi.org/10.2984/70.1.7
Accepted: 1 July 2015; Published: 1 January 2016
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