Cyphoderus Nicolet, 1842

Souza, Paolla Gabryelle Cavalcante De, Medeiros, Gleyce Da Silva, Bento, Diego De Medeiros, Zeppelini, Douglas & Bellini, Bruno Cavalcante, 2024, New cave species of Cyphoderus Nicolet and Pararrhopalites Bonet & Tellez (Hexapoda, Collembola) from Caatinga biome, Brazil, Zootaxa 5474 (3), pp. 201-224 : 204

Genus Cyphoderus Nicolet, 1842

Diagnosis. Specimens pale white or yellowish, never with dark pigments. Scales present, covering at least the dorsal head and trunk. Antennae shorter than the body length, antennomeres undivided. Eyes completely absent. Dorsal head and trunk oligochaetotaxic, with few macrochaetae and secondary chaetae other than the scales. Trunk sensilla as 1,1/0,1,1,+,3 and microsensilla as 0,0/1,0,1,0,0 from Th. II to Abd. V. Abd. IV with 3+3 bothriotricha; unguiculi large, with a strong outer tooth in the postero-external lamella, tenent hairs capitate or acuminate. Collophore posterior region with few ciliate or smooth chaetae plus spines. Dens smooth and straight, without crenulations, with feathered dorsal chaetae and several ciliate chaetae. Mucro variably elongate without a basal spine, with a variable set of teeth (adapted from Szeptycki 1979; Zhang et al. 2019; Oliveira et al. 2023).