World Database of Nematodes

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Nemys source details

Fonseca, G.; Vanreusel, A.; Decraemer, W. (2006). Taxonomy and biogeography of Molgolaimus Ditlevsen, 1921 (Nematoda: Chromadoria) with reference to the origins of deep sea nematodes. Antarctic Science. 18(01): 23-50.
179306
10.1017/s0954102006000034 [view]
Fonseca, G.; Vanreusel, A.; Decraemer, W.
2006
Taxonomy and biogeography of Molgolaimus Ditlevsen, 1921 (Nematoda: Chromadoria) with reference to the origins of deep sea nematodes
Antarctic Science
18(01): 23-50
Publication
NeMys doc_id: 16476
Available for editors  PDF available [request]
Molgolaimus is a genus of free-living marine nematodes which is found in high densities (10–35% of the total community) up to 2000 m depth. Its occurrence is often associated with organically enriched and recently disturbed areas. Currently, only 16 species have been described, mainly from shallow waters. The present study contributes 17 new species mainly from the Weddell Sea but also from the Pacific Ocean, and provides an illustrated polytomous identification key to species level. The 33 Molgolaimus species described can be identified based on just a few morphometric features: spicule length, body length, anal body diameter, tail length and pharynx length. A first insight into the biogeography of this deep sea genus at species level is presented. A comparison of morphometric characteristics between species suggests that the most similar species co-occur in the same geographical region, rather than within the same bathymetric zones or similar ecosystems separated over long distances. These observations suggest that deep sea nematodes may not have a common origin but might have derived “recently” from shallow water taxa. Therefore, global distribution of nematodes could be explained by means of palaeogeographical events.
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Metepsilonema Steiner, 1927 (additional source)
Molgolaiminae Jensen, 1978 (taxonomy source)
Molgolaimus Ditlevsen, 1921 (taxonomy source)
Molgolaimus Ditlevsen, 1921 (additional source)
Molgolaimus abyssorum Muthumbi & Vincx, 1996 (additional source)
Molgolaimus allgeni (Gerlach, 1950) Jensen, 1978 (additional source)
Molgolaimus australis Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus carpediem Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus citrus Gerlach, 1959 (additional source)
Molgolaimus drakus Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus exceptionregulum Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus falliturvisus Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus galluccii Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus gazii Muthumbi & Vincx, 1996 (additional source)
Molgolaimus gigaproximus Fonseca, Vanreusel & Decraemer, 2006 accepted as Molgolaimus gigasproximus Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus gigaslongicus Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus gigaslongincus Fonseca, Vanreusel & Decraemer, 2006 accepted as Molgolaimus gigaslongicus Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus gigasproximus Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus kiwayui Muthumbi & Vincx, 1996 (additional source)
Molgolaimus lazonus (Vitiello, 1970) Jensen, 1978 (additional source)
Molgolaimus liberalis Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus longispiculum Timm, 1961 (taxonomy source)
Molgolaimus macilenti Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus mareprofundus Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus minutus Jensen, 1988 (additional source)
Molgolaimus nettoensis Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus pacificus Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus parallgeni (Vitiello, 1973) (additional source)
Molgolaimus sabakii Muthumbi & Vincx, 1996 (additional source)
Molgolaimus sapiens Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus tanai Muthumbi & Vincx, 1996 (additional source)
Molgolaimus tenuispiculum Ditlevsen, 1921 (additional source)
Molgolaimus turgofrons (Lorenzen, 1971) Jensen, 1978 (additional source)
Molgolaimus typicus Furstenberg & Vincx, 1992 (additional source)
Molgolaimus tyroi Muthumbi & Vincx, 1996 (additional source)
Molgolaimus unicus Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus walbethi Fonseca, Vanreusel & Decraemer, 2006 (original description)
Molgolaimus xuxunaraensis Fonseca, Vanreusel & Decraemer, 2006 (original description)
Xiphinema Cobb, 1913 (additional source)

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