Trichoniscoides Sars 1899

Genus Trichoniscoides Sars, 1899 Type species Trichoniscoides sarsi Patience, 1908. Key to males of the species of the genus Trichoniscoides Sars, 1899, from the Portugal 1 Smooth dorsal integument ................................................................................................................ 2 – Granulated dorsal integument ........................................................................................................... 5 2 Antennae without tubercles bearing scale-setae ........................................ T. lusitanus Vandel, 1946 – Antennae with tubercles bearing scale-setae .................................................................................... 3 3 Male pleopod II endopod ends in pointed tip ................................................................................... 4 – Male pleopod II endopod ends in complex tip .......................... T. sicoensis Reboleira & Taiti, 2015 4 Male pleopod I endopod without distal lobe ............................................ T. machadoi Vandel, 1946 – Male pleopod I endopod with long distal lobe .................................... T. subterraneus Vandel, 1946 5 Distal segment of male pleopod II endopod narrows to sharp tip .................................................... 6 – Distal segment of male pleopod II endopod thick ...........................................................................11 6 Male pereopod 7 without sexual differentiation ............................................................................... 7 – Male pereopod 7 with sexual differentiation .................................................................................. 10 7 Male pleopod I endopod without distal lobe .................................................................................... 8 – Male pleopod I endopod with distal lobe ........................................................... T. serrai Cruz, 1993 8 Male pereopod 1 merus and carpus without hyaline scales ........... T. bellesi Reboleira & Taiti, 2015 – Male pereopod 1 merus and carpus with hyaline scale .................................................................... 9 9 Male pleopod I exopod rectangular, inner ciliated ramus longer than outer ...................................... ............................................................................................................... T. meridionalis Vandel, 1946 – Male pleopod I exopod triangular, ciliated rami equal in size ............... T. ouremensis Vandel, 1946 10 Male pleopod I exopod without notch at base of rami ....................................................................... ............................................................................................. T. gallaecus Cifuentes & Da Silva, 2023 – Male pleopod I exopod with notch at base of rami ..................................... T. broteroi Vandel, 1946 11 Male pleopod I exopod triangular with posterior internal extension .................... T. oloensis sp. nov. – Male pleopod I exopod trapezoidal, without posterior internal extension ..................................... 12 12 Male pereopod 7 process straight; male pleopod II endopod ends in pointed tip reinforced by chitinous shaft ................................................................................................................. T. cordovensis sp. nov. – Male pereopod 7 process curved; male pleopod II endopod ends in small curved tip without chitinous shaft ........................................................................................................... T. castanheirensis sp. nov.