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Erséus, C.; Rota, E. (1996). Tubificidae (Oligochaeta) from the Ross Sea (Antarctica) with descriptions of one new genus and two new species. Polar Biol. 16 (7): 491-496.
125708
Erséus, C.; Rota, E.
1996
Tubificidae (Oligochaeta) from the Ross Sea (Antarctica) with descriptions of one new genus and two new species
Polar Biol
16 (7): 491-496
Publication
Available for editors [request]
Three species, Torodrilus gelidus sp. nov. (subfamily Rhyacodrilinae), Rossidrilus terraenovae gen. et sp. nov. (Limnodriloidinae), and a second unnamed species of Limnodriloidinae, are reported from marine sediments in Terra Nova Bay, Ross Sea. Torodrilus gelidus is distinguished from T. lowryi Cook, 1970 by its setal pattern (with few exceptions, both anterior and posterior setae are single-pointed in sexually mature specimens of T. gelidus) and the morphology of its male protuberances (the latter folded over a mid-ventral bursa in segment XI). Rossidrilus terraenovae is characterized by large diverticula attached to the oesophagus in the posterior part of segment IX, unpaired male and spermathecal pores, heavily muscular and entally ciliated atrial ampullae, elongate prostatic pads, and a deep, unpaired and muscular, copulatory sac. It is the first species of its subfamily to be described from Antarctic waters.
Antarctic
Date
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2013-01-12 18:30:12Z
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Rossidrilus Erséus & Rota, 1996 (original description)
Rossidrilus terraenovae Erséus & Rota, 1996 (original description)
Torodrilus gelidus Erséus & Rota, 1996 (original description)
Rossidrilus terraenovae Erséus & Rota, 1996 (original description)
Torodrilus gelidus Erséus & Rota, 1996 (original description)
Ross Sea for Rossidrilus Erséus & Rota, 1996
Holotype SMNH 4744, geounit Ross Sea, identified as Torodrilus gelidus Erséus & Rota, 1996
Holotype SMNH 4749, geounit Ross Sea, identified as Rossidrilus terraenovae Erséus & Rota, 1996
Holotype SMNH 4749, geounit Ross Sea, identified as Rossidrilus terraenovae Erséus & Rota, 1996
Distribution
Known only from the type locality in the Ross Sea. [details]
Distribution
Known only from the type locality in the Ross Sea, Antarctica. [details]
Etymology
Named Rossidrilus, referring to the geographic origin of the type species, a ‘worm’ (Greek drilos) from the ... [details]
Etymology
The species is named for Terra Nova Bay, the type locality in the Ross Sea [details]
Etymology
Named gelidus (Latin for ‘icy cold, harsh’), referring to the High Antarctic location of the type locality [details]