Ayress, M.A., De Deckker, P. & Coles, G.P. (2004) A taxonomic and distributional survey of marine benthonic Ostracoda off Kerguelen and Heard Islands, South Indian Ocean. Journal of Micropalaeontology, 23, 15-38.

141970

10.1144/jm.23.1.15 [view]

Ayress, M. A.; De deckker, P.; Coles, G. P.

2004

23(1), 15-38

Publication

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From an examination of 34 grab and dredge samples ranging from 110 m to 3584 m water depth, collected during Eltanin cruise 47 across the Kerguelen Plateau, 26 shallow-water and 35 deep-sea benthonic ostracod species have been identified. Systematic notes and illustrations of the common and some of the rare species are presented. Two new species are described: Philoneptunus cassidyi n. sp. and Taracythere abyssora n. sp. Comparisons made with the Atlantic and SW Pacific Oceans and circumantarctic regions indicate that the fauna comprises dominantly cosmopolitan deep-sea species while most of the other species have close affinities with the SW Pacific. In the Kerguelen material, seven distinct depth assemblages appear to correspond well with differing watermasses and there is evidence that the relatively shallow position of Antarctic Intermediate Water permits elevation of the upper depth limits of some deep-sea species. Some species have developed ornament of fine reticulation, features not previously seen in those species outside the Kerguelen region.

Antarctic
Indian Ocean
Kerguelen Islands
Southern Indian Ocean
Southern Ocean: Antarctic and Subantarctic marine regions together (= E+W+S+M(+T))

Ostracoda

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