A new Glossocephalus (Crustacea: Amphipoda: Hyperiidea: Oxycephalidae) from deep-water in the Monterey Bay region, California, USA, with an overview of the genus

Wolfgang Zeidler, William Browne

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

A new species of Glossocephalus, G. rebecae sp. nov., is described from deep-water in the Monterey Bay region of Cal-ifornia, Eastern Pacific Ocean. It seems to be associated exclusively with the mesopelagic ctenophore Bathocyroe fosteri. This association has been observed from 541-830 m depth. It is readily distinguished from G. milneedwardsi Bovallius, 1887 by the shape of the eye fields. The retina is organised into a crescent-shaped organ, occupying about one-quarter of the back half of the head, with the crystalline cones projecting both anteriorly and laterally. An updated review of the genus is provided, taking into account the new species, together with an overview of G. milneedwardsi, and three new records of associations with ctenophores for G. milneedwardsi. New observations on the interaction of G. milneedwardsi with one of its ctenophore hosts, Mnemiopsis sp., are also documented.

Original languageEnglish (US)
Pages (from-to)408-424
Number of pages17
JournalZootaxa
Volume4027
Issue number3
DOIs
StatePublished - Oct 5 2015

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Keywords

  • Amphipoda
  • Glossocephalus
  • Host interaction
  • Hyperiidea
  • New species
  • Oxycephalidae
  • Taxonomy

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Ecology, Evolution, Behavior and Systematics

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