Reading between the lines: revealing cryptic species diversity and colour patterns in Hypselodoris nudibranchs (Mollusca: Heterobranchia: Chromodorididae)

Epstein, Hannah E., Hallas, Joshua M., Johnson, Rebecca Fay, Lopez, Alessandra, and Gosliner, Terrence M. (2019) Reading between the lines: revealing cryptic species diversity and colour patterns in Hypselodoris nudibranchs (Mollusca: Heterobranchia: Chromodorididae). Zoological Journal of the Linnean Society, 186 (1). pp. 116-189.

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Abstract

A molecular phylogeny is presented for 48 species of the genus Hypselodoris (Family: Chromodorididae), which incorporated 64 newly sequenced specimens. Hypselodoris is monophyletic and divided into Glades that exhibit varying support. Novel diversity was found, with the distinctness of 17 new species of Hypselodoris supported by the molecular phylogeny, subsequent species delimitation analysis and morphological data. The following species are described here: Hypselodoris alburtuqali Gosliner & Johnson sp. nov., Hypselodoris brycei Gosliner & Johnson sp. nov., Hypselodoris cerisae Gosliner & Johnson sp. nov., Hypselodoris confetti Gosliner & Johnson sp. nov., Hypselodoris iba Gosliner & Johnson sp. nov., Hypselodoris juniperae Gosliner & Johnson sp. nov., Hypselodoris katherinae Gosliner & Johnson sp. nov., Hypselodoris lacuna Gosliner & Johnson sp. nov., Hypselodoris melanesica Gosliner & Johnson sp. nov., Hypselodoris paradisa Gosliner & Johnson sp. nov., Hypselodoris peril Gosliner & Johnson sp. nov., Hypselodoris roo Gosliner & Johnson sp. nov., Hypselodoris rositoi Gosliner & Johnson sp. nov., Hypselodoris skyleri Gosliner & Johnson sp. nov., Hypselodoris variobranchia Gosliner & Johnson sp. nov., Hypselodoris violacea Gosliner & Johnson sp. nov. and Hypselodoris yarae Gosliner & Johnson sp. nov. Further examination of colour patterns supports previous suggestions that inheritance of colour patterns from common ancestors occurs, as do convergences, driven by Mullerian mimicry.

Item ID: 61003
Item Type: Article (Research - C1)
ISSN: 1096-3642
Keywords: biogeography, coral reefs, Coral Triangle, cryptic species, mimicry, molecular phylogeny, morphology, new species, species richness
Copyright Information: © 2018 The Linnean Society of London.
Funders: National Science Foundation (NSF), Total Foundation, French Ministry of Foreign Affairs, Asean Regional Center for Biodiversity Conservation, Monaco Foundation, Fondation EDF, Stavros Niarchos Foundation, Entrepose Contracting, Richard Lounsbery Foundation, Triballat
Projects and Grants: NSF DEB 1257630, NSF REU 1358680, The Panglao Marine Biodiversity Project
Date Deposited: 20 Nov 2019 07:36
FoR Codes: 06 BIOLOGICAL SCIENCES > 0602 Ecology > 060205 Marine and Estuarine Ecology (incl Marine Ichthyology) @ 100%
SEO Codes: 96 ENVIRONMENT > 9605 Ecosystem Assessment and Management > 960507 Ecosystem Assessment and Management of Marine Environments @ 100%
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