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The metazoan meiobenthos along a depth gradient in the Arctic Laptev Sea with special attention to nematode communities
Although the sediments along the transect were poor in organic matter in comparison with the NE Atlantic, the densities fitted well with the meiobenthic densities reported from the latter area, and it is suggested that the meuobenthos in the cold polar waters is adapted to this extreme environment by a rapid response to short food pulses to the sediment. Expand
Distribution and adaptations of sea ice inhabiting Harpacticoida (Crustacea, Copepoda) of the Weddell Sea (Antarctica)
Seven harpacticoid species were found to be associated with sea ice collected during 5 Antarctic cruises of the RV Polarstern, and one of them is the first polar non-vertebrate mctazoan to be cultivated through its entire life cycle. Expand
High-Level Phylogenetic Relationships within Parastenocarididae (Copepoda, Harpacticoida)
Two new taxa can be distinguished mainly by the male antennules, the endopod of female leg 3, spinules on the basis of male leg 4, the female genital field, and the setation of the caudal rami in Parastenocarididae. Expand
Adaptation of Bathynellacea (Crustacea, Syncarida) to Life in the Interstitial (“Zoea Theory”)
It is demonstrated that the Bathynellacea arose by neoteny from a zoea-like ancestor (“Zoea Theory”), and the classical example of a group of crustaceans thought to have arisen by neOTeny, the Cladocera, is critically examined and found to be in need of reevaluation. Expand
Phylogenetic relationships at the base of Oligoarthra (Copepoda, Harpacticoida) with a new species as the cornerstone
An analysis of the phylogeny and evolution of the basal Harpacticoida Sars, 1903 is presented, revealing the autapomorphies of Rometidae, Aegisthoidea, Syngnatharthra, and Oligoarthra Lang, 1944. Expand
Monodicaris Gen. N. (Copepoda, Harpacticoida, Parastenocarididae) from West Africa
[A new genus of Parastenocarididae, Monodicaris gen. n., is described from West Africa. It has many characters in common with the genus Kinnecaris Jakobi, 1972 but lacks the most distinctive featureExpand
The Ubiquitous Telson and the Deceptive Furca
Diese Arbeit nimmt zu Bowmans Ausfuhrungen (1971) uber das Telson der Crustacea Stellung. Es wird seiner Auffassung entgegengetreten, nach der die Definition des Telsons eine terminale Lage desExpand
First report of groundwater fauna from Papua New Guinea: Kinnecaris Jakobi, 1972 redefined (Copepoda, Harpacticoida, Parastenocarididae), and description of a new species
The groundwater fauna of Papua New Guinea is completely unknown. The first member of this fauna is reported here. It is a new species of Parastenocarididae that agrees in eleven characters with 16Expand