Tardigrades from Australian Marine Caves. With a Redescription of Actinarctus neretinus (Arthrotardigrada)

作者: Tom M. Boesgaard , Reinhardt Møbjerg Kristensen

DOI: 10.1078/0044-5231-00033

关键词: Species diversityTardigradeFaunaDetritusSedimentBiologyEcologyMeiobenthosCaveAbundance (ecology)

摘要: Abstract Several marine caves in Australia have been investigated for meiofauna using a freshwater technique to shock large sediment samples. species of nematodes, gastrotrichs, crustaceans, polychaetes and aplacophorans were found, one new kinorhynch has described. In addition, two loriciferans from New South Wales, Australia, are under description. This paper is the second series describing unique submarine inland anchialine Australia. The deals with tardigrade fauna caves, Jim's Cave Fish Rock Cave, both located off coast Wales. consists carbonate sediments (shell-hash shell-gravel) mixed organic detritus. abundance tardigrades very low but diversity high. following arthrotardigrade genera already found: Actinarctus, Batillipes, Dipodarctus, Halechiniscus, Raiarctus, Styraconyx, Tanarctus, Tholoarctus, Wingstrandarctus. cave seems not be related well-investigated high energy beach along East Coast Most surprising discovery Actinarctus neretinus known Italian cave, Grotta Cattedrale, supporting theory that serve as refuges an old Tethyan fauna.

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