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Holovachov, O.; Mundo-Ocampo, M.; Tandingan De Ley, I.; De Ley, P. (2008). Nematodes from the Gulf of California. Part 2. Ceramonema nasobema sp. n. (Nematoda: Ceramonematidae). Nematology. 10 (6): 835-844.
173051
Holovachov, O.; Mundo-Ocampo, M.; Tandingan De Ley, I.; De Ley, P.
2008
Nematodes from the Gulf of California. Part 2. Ceramonema nasobema sp. n. (Nematoda: Ceramonematidae).
Nematology
10 (6): 835-844
Publication
NeMys doc_id: 17876
Available for editors  PDF available
An unusual new ceramonematid, Ceramonema nasobema sp. n., is described using light and scanning electron microscopy. It is particularly characterised by the presence of a perioral tube projecting 5.5-7.0 ìm anterior to the lips, moderately long body (0.86- 1.09 mm), relatively small number of body annules (121-134), weakly developed zygapophyses, absence of intracuticular vacuoles, pronounced sexual dimorphism in amphid shape with the male ventral amphidial branch extending as far posterior as the 55-80th annule (no extension in females), barrel-shaped stoma, sigmoid and anteriorly inclined vagina without sclerotisations, gubernaculum with dorsal apophyses and relatively uniform cloacal annules. The new species differs from all other known species of Ceramonema especially by the shape of the amphid in males, the strongly projecting perioral tube and the inclined, sigmoid, vagina. Additional data on morphology of Ceramonema algoensis (from Natal Bay, South Africa) are also provided as this species has the most prominent perioral tube among previously described members of the genus.
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Date
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2014-02-14 05:40:47Z
created
2015-02-25 10:25:51Z
changed
2016-05-19 12:24:17Z
changed

Ceramonema Cobb, 1920 (additional source)
Ceramonema pisanum Gerlach, 1953 (additional source)
Ceramonema pselionemoides Gerlach, 1953 (additional source)
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