Semitobrilus

Gagarin, Vladimir G. & Gusakov, Vladimir A., 2013, Neotripyla vulgaris gen. n., sp. n. and Semitobrilus andrassyi sp. n. (Nematoda, Triplonchida) from freshwater bodies of Vietnam, Zootaxa 3716 (4), pp. 565-576 : 575-576

publication ID

https://dx.doi.org/10.11646/zootaxa.3716.4.4

publication LSID

lsid:zoobank.org:pub:18AF3DCA-7E90-4A00-8E0B-E92DD94F1461

DOI

https://doi.org/10.5281/zenodo.6146362

persistent identifier

https://treatment.plazi.org/id/038B8784-9E16-FFE3-FF01-F88698FAFED8

treatment provided by

Plazi

scientific name

Semitobrilus
status

 

Key to valid species of the genus Semitobrilus

1. 10 supplement; vulva postequatorial (V = 61–64 %)............................................. S. parapellucidus

– 6–8 supplements; vulva praequatorial or equatorial (V = 38–55 %).............................................. 2

2. Crystalloids absent; length of outer labial setae is equal 60 % of labial region width........................ S. pellucidus

– Crystalloids present; length of outer labial setae is equal 23–40 % of labial region width............................. 3

3. Spicules 102–122 µm long....................................................................... S. ebsaryi

– Spicules less 100 µm long............................................................................... 4

4. ♂♂ L = 1.60–1.72 mm; outer labial setae 4.0–6.0 µm long, 23–25 % of labial region width........... S. closlongicaudatus

– ♂♂ L = 1.96 mm or more; outer labial setae more 9 µm long, more 25 % of labial region width....................... 5

5. Spicules 65 µm long, keel-like projection at distal portion absent........................................ S. gagarini

– Spicules 71–80 µm long, keel-like projection at distal portion present.............................. S. andrassyi sp. n.

Kingdom

Animalia

Phylum

Nematoda

Class

Adenophorea

Order

Enoplida

Family

Tobrilidae