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Neira, C.; Decraemer, W. (2009). Desmotersia levinae, a new genus and new species of free-living nematode from bathyal oxygen minimum zone sediments off Callao, Peru, with discussion on the classification of the genus Richtersia (Chromadorida: Selachinematidae). Organisms Diversity & Evolution. 9(1): 1.e1-1.e15.
151762
10.1016/j.ode.2008.09.004 [view]
Neira, C.; Decraemer, W.
2009
Desmotersia levinae, a new genus and new species of free-living nematode from bathyal oxygen minimum zone sediments off Callao, Peru, with discussion on the classification of the genus Richtersia (Chromadorida: Selachinematidae)
Organisms Diversity & Evolution
9(1): 1.e1-1.e15
Publication
NeMys doc_id: 17887
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Desmotersialevinae gen. n.,sp.n.isproposed,basedonmaterialfoundinbathyaloxygenminimumzonesediments
off thecoastofPeru. Desmotersia closely resembles Richtersia in theanimals’generalappearanceandinspiny
ornamentationofthebodycuticle,butclearlydiffersinstomastructureandbythepresenceofadorsaltooth.
The systematicpositionsofthetwogeneraarediscussed,since Desmotersia apparently forms a link between
Selachinematidae and Desmodoridae. Desmotersia levinae is characterized by a variety of spiny ornamentations
anteriorly formed by bipartite spines arranged into a fin-like picket fence,by a head with anasymmetrical cephalic
capsule, presence of two closely spaced ventral longitudinal rows of copulatory thorns,and by 2–4 ventral thorns in mid-tail positions on the male. The interaction between the new species and its habitat is discussed.
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Choniolaimus panicus Gerlach, 1956 (additional source)
Latronema Wieser, 1954 (additional source)
Latronema deconincki Boucher, 1976 (additional source)
Metachromadora Filipjev, 1918 (additional source)
Paracyatholaimus Micoletzky, 1922 (additional source)
Richtersia Steiner, 1916 (additional source)
Latronema Wieser, 1954 (additional source)
Latronema deconincki Boucher, 1976 (additional source)
Metachromadora Filipjev, 1918 (additional source)
Paracyatholaimus Micoletzky, 1922 (additional source)
Richtersia Steiner, 1916 (additional source)