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Type: Article
Published: 2020-07-24
Page range: 401–435
Abstract views: 552
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Adding stars to the Chromodoris (Nudibranchia, Chromodorididae) galaxy with the description of four new species

Department of Invertebrate Zoology and Geology, California Academy of Sciences, San Francisco, CA, 94118, USA
Department of Invertebrate Zoology and Geology, California Academy of Sciences, San Francisco, CA, 94118, USA Department of Biology, San Francisco State University, San Francisco, CA, 94132, USA.
Mollusca systematics Nudibranchia sea slug biodiversity Indo-Pacific

Abstract

This paper describes four new Chromodoris species: Chromodoris balat sp. nov., Chromodoris baqe sp. nov., Chromodoris kalawakan sp. nov., and Chromodoris quagga sp. nov. We were able to distinguish 44 species level lineages within Chromodoris, expanding the Indo-Pacific species from 39 species. The phylogeny presented here provides slightly greater resolution of species relationships than do previous studies of this genus. Layton et al. (2018), determined that variable color patterns made it difficult to differentiate in living specimens of distinct species, but we provide some additional stable color characters that potentially help resolve this issue, as well as additional internal features that are useful in species delimitation and correlate with the molecular phylogenetic analysis.

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