Rev 01/12/2024
Short cylindrical stoma with short stegostom
(pharyngeal collar). Long tapering
corpus with no offset
metacorpus. Valve in
postcorpus.
Female monovarial, prodelphic, ovary reflexed, offset spermatheca.
Rapidly moving, very active nematodes. Bacteria-feeding nematodes
usually found in decaying organic matter. Per the emended diagnosis of the family provided by Bert et al. (2003):
As of 2023, the family is reported to have 14 genera (Yadav et al., 2023) In general, the Panagrolaimidae differ from the Cephalobidae in that :
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Tail conical but asymmetrical, shorter on ventral side. | |
Male spicules with short terminal bifurcation. | |
No caudal alae. | |
Spicules and gubernaculum | |
References:Bert, W., Tandingan De Ley, I., Van Driessche, R., Segers, H., and De Ley, P. 2003. Baujardia mirabilis gen. n., sp. n. from pitcher plants and its phylogenetic position within Panagrolaimidae (Nematoda: Rhabditida). Nematology 5:405-420.Thorne, G. 1937. A revision of the nematode family Cephalobidae Chitwood and Chitwood, 1934. Proc. Helminth. Soc. Wash. 4:1-16. Yadav, K., Bhat, A.H., Abolafia, J., Machado, R.A.R., Wani, S.M., Chaubey, A.K. 2023. Redescription and molecular characterisation of Panagrolaimus labiatus (Kreis, 1929) Andrássy, 1960 (Rhabditida, Panagrolaimidae) from India and proposal of P. burdwanensis Chaturvedi & Khera, 1979 as a junior synonym of P. labiatus. Nematology 25:151-168. |
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