NDLI: Marine Gastrotricha of Little Cayman Island with the description of one new species and an initial assessment of meiofaunal diversity

Content Provider	Springer Nature Link
Author	Hochberg, Rick Atherton, Sarah Kieneke, Alexander
Copyright Year	2013
Abstract	Surveys of littoral and sublittoral sediments from diverse marine environments around Little Cayman Island (LCI) have produced the first records of gastrotrichs from one of the most remote West Indian islands in the Greater Antilles ecoregion of the Tropical Northwest Atlantic. Forty-six stations ranging from littoral to 40 m depth yielded 18 morphospecies from 10 genera (7 Macrodasyida, 3 Chaetonotida) representing six families of Gastrotricha. At least one species is new to science and is described here. Oregodasys caymanensis n. sp. is described from multiple stations around the island from 1.5 to 15 m depth. The new species belongs to a group of species with posterior cirri, but can be distinguished by the possession of six rod-like cephalic tentacles on the oral hood and the presence of pigmented y-cells. Nine previously described morphospecies from other Caribbean and global locations were present around LCI: Aspidiophorus cf. paramediterraneus, A. tentaculatus, Chaetonotus aff. apechochaetus, C. cf. atrox, C. cf. dispar (Chaetonotidae); Diplodasys rothei (Thaumastodermatidae); Macrodasys cf. ommatus and Urodasys viviparus (Macrodasyidae); and Paraturbanella pacifica (Turbanellidae). We also encountered further unidentified morphospecies of Chaetonotida from the genus Xenotrichula and from six genera of Macrodasyida (Diplodasys, Megadasys, Macrodasys, Oregodasys, Paraturbanella, Tetranchyroderma). In addition to new geographic records of Gastrotricha, we provide the first general survey of meiofauna from Little Cayman Island including new geographic records for several taxa.
Starting Page	89
Ending Page	113
Page Count	25
File Format	PDF
ISSN	18671616
Journal	Marine Biodiversity
Volume Number	44
Issue Number	1
e-ISSN	18671624
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-10-30
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	meiofauna biodiversity Caribbean gastrotrich tropics Biodiversity Freshwater & Marine Ecology Plant Systematics/Taxonomy/Biogeography Animal Systematics/Taxonomy/Biogeography
Content Type	Text
Resource Type	Article
Subject	Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography

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