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Are Deep-Sea Asellote Isopods Infaunal or Epifaunal?

Are Deep-Sea Asellote Isopods Infaunal or Epifaunal? NOTES AND NEWS ARE DEEP-SEA ASELLOTE ISOPODS INFAUNAL OR EPIFAUNAL? BY K. HARRISON Department of Zoology, British Museum (Natural History), London SW7 5BD, U.K. Thistle & Wilson (1987), in their study of the HEBBLE site at 4820 m in the NW Atlantic, tried to categorize deep-sea asellotes as infaunal or epifaunal. This was attempted at the family level, although they acknowledged that not all members of one family need follow the same life style. They took the Desmosomatidae, Ischnomesidae, Macrostylidae, Nannoniscidae and Thambematidae to be infaunal. The Eurycopidae and the genus janirella (Janirellidae) were taken as epifaunal. A study of specimens from the Scottish Marine Biological Association's Permanent Station (Gage et al., 1980) at 2900 m in the southern Rockall Trough, NE Atlantic (54°40' N 12° 17.5' W) pro- vides new information on the life style of common deep-sea families. In 19 epibenthic sled samples, containing 5318 asellote specimens, the Eurycopidae provided nearly one third of all species collected (25 from a total of 79) and 15.66% of all specimens. Another group considered epifaunal, `janirella, comprised 609% of the present material despite only one species (J. priseri Chardy) being present. Curiously, the Ischnomesidae, believed to be infaunal, was http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crustaceana Brill

Are Deep-Sea Asellote Isopods Infaunal or Epifaunal?

Harrison, K.
Crustaceana , Volume 56 (3): 317 – Jan 1, 1989
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Publisher
Brill
Copyright
© 1989 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0011-216x
eISSN
1568-5403
DOI
10.1163/156854089X00284
Publisher site
See Article on Publisher Site

Abstract

NOTES AND NEWS ARE DEEP-SEA ASELLOTE ISOPODS INFAUNAL OR EPIFAUNAL? BY K. HARRISON Department of Zoology, British Museum (Natural History), London SW7 5BD, U.K. Thistle & Wilson (1987), in their study of the HEBBLE site at 4820 m in the NW Atlantic, tried to categorize deep-sea asellotes as infaunal or epifaunal. This was attempted at the family level, although they acknowledged that not all members of one family need follow the same life style. They took the Desmosomatidae, Ischnomesidae, Macrostylidae, Nannoniscidae and Thambematidae to be infaunal. The Eurycopidae and the genus janirella (Janirellidae) were taken as epifaunal. A study of specimens from the Scottish Marine Biological Association's Permanent Station (Gage et al., 1980) at 2900 m in the southern Rockall Trough, NE Atlantic (54°40' N 12° 17.5' W) pro- vides new information on the life style of common deep-sea families. In 19 epibenthic sled samples, containing 5318 asellote specimens, the Eurycopidae provided nearly one third of all species collected (25 from a total of 79) and 15.66% of all specimens. Another group considered epifaunal, `janirella, comprised 609% of the present material despite only one species (J. priseri Chardy) being present. Curiously, the Ischnomesidae, believed to be infaunal, was

Journal

Crustaceana – Brill

Published: Jan 1, 1989

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