Phenotypic Features of Dimya cf. Japonica (Bivalvia, Dimyidae) from Niue Island (South Pacific) with Accounts on Its Phylogeny and Taxonomic Relationships

Luiz Ricardo L. Simone; Vanessa Simão do Amaral

doi:10.4002/040.064.0107

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Luiz Ricardo L. Simone,^1,* Vanessa Simão do Amaral²

¹Museu de Zoologia da Universidade de São Paulo, Cx Postal 42391; 04218-970 São Paulo, SP, Brazil.
²Universidade Federal do Espírito Santo – Centro Universitário Norte do Espírito Santo, Rodovia Governador Mario Covas, km 60 s/n, Bairro Litorâneo, 29932-540, São Mateus, ES, Brazil.

^*Corresponding author: lrsimone@usp.br

Abstract

Phenotypic characters of the uncommon Dimya cf. japonica, based on a specimen from Niue Is. in the South Pacific, are reported to represent the enigmatic Dimyidae in a wide-ranging Bivalvia phylogenetic scenario. The main conclusion is that dimyids are placed between ostreoideans and pectinoideans. This is supported by five synapomorphies. Dimyids are closer to pectinoideans, in that they share four synapomorphies.

Citation Download Citation

Luiz Ricardo L. Simone and Vanessa Simão do Amaral "Phenotypic Features of Dimya cf. Japonica (Bivalvia, Dimyidae) from Niue Island (South Pacific) with Accounts on Its Phylogeny and Taxonomic Relationships," Malacologia 64(1), 121-136, (10 August 2021). https://doi.org/10.4002/040.064.0107

Accepted: 22 January 2021; Published: 10 August 2021

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