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Issue: Vol. 29 No. 1: 24 April 2009
Type: Articles
Published: 2009-04-24
DOI: 10.11646/mr.29.1.4
Page range: 33–59
Abstract views: 55
PDF downloaded: 0

The phylogeny and taxonomy of New Zealand Notoacmea and Patelloida species (Mollusca: Patellogastropoda: Lottiidae) inferred from DNA sequences

Department of Geology and Palaeontology, National Museum of Nature and Science, 3-23-1 Hyakunin-cho, Shinjuku-ku, Tokyo 169-0073, Japan.
Museum of New Zealand Te Papa Tongarewa, P.O. Box 467, Wellington, New Zealand.
Allan Wilson Centre for Molecular Ecology and Evolution, Department of Zoology, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
Allan Wilson Centre for Molecular Ecology and Evolution, Department of Zoology, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand.
Gastropoda limpet new taxa species boundaries COI ITS1 intertidal

Abstract

The systematics of Notoacmea Iredale, 1915 have been confused because of their highly variable shells. We used DNA sequences from a mitochondrial gene (COI) and a nuclear gene (ITS1) to define the species boundaries among New Zealand Notoacmea species, using the allied genus Patelloida Quoy & Gaimard, 1834 as outgroup. Phylogenetic trees of 195 individuals showed 14 well-supported, reciprocally monophyletic clades, which we treat as species: N. badia Oliver, 1926, N. cellanoides Oliver, 1926, N. daedala (Suter, 1907), N. elongata (Quoy & Gaimard, 1834), N. parviconoidea (Suter, 1907), N. pileopsis (Quoy & Gaimard, 1834), N. scapha (Suter, 1907), N. scopulina Oliver, 1926, N. sturnus (Hombron & Jacquinot, 1841), N. subantarctica Oliver, 1926, Patelloida cortica (Hutton, 1880) and three new Notoacmea species, N. potae, N. rapida, and N. turbatrix, which are described here. Of the above names, N. daedala and N. subantarctica are resurrected from synonymy. Notoacmea helmsi (E.A. Smith, 1894) and N. virescens Oliver, 1926 are interpreted as synonyms of N. elongata.