First record of Bathynellacea (Crustacea: Malacostraca) in Benin (West Africa): two new species and their phylogenetic position within the Parabathynellidae family Author Camacho, A. I. Dpto. Biodiversidad y Biología Evolutiva, Museo Nacional de Ciencias Naturales (CSIC), Madrid, Spain; Author Mas-Peinado, P. Institut des Sciences de l’Evolution de Montpellier (ISEM), CNRS, Montpellier, France; & Departamento de Biología (Zoología) and Centro de Investigación en Biodiversidad y Cambio Global (CIBC-UAM), Facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco, Spain; Author Lagnika, M. Taxonomy and Phylogeny, Royal Belgian Institute of Natural Sciences, Brussels, Belgium; Author Martin, P. Taxonomy and Phylogeny, Royal Belgian Institute of Natural Sciences, Brussels, Belgium; Author Dorda, B. A. Dpto. de Colecciones. Col. de Tejidos y ADN, Museo Nacional de Ciencias Naturales (CSIC), Madrid, Spain Author Rey, I. Dpto. de Colecciones. Col. de Tejidos y ADN, Museo Nacional de Ciencias Naturales (CSIC), Madrid, Spain & Dpto. Biodiversidad y Biología Evolutiva, Museo Nacional de Ciencias Naturales (CSIC), Madrid, Spain; text Journal of Natural History 2024 2024-06-18 58 17 - 20 570 602 http://dx.doi.org/10.1080/00222933.2024.2353941 journal article 10.1080/00222933.2024.2353941 1464-5262 13219566 Racovitzaibathynella Serban and Coineau, 1994 Amended generic diagnosis (after Schminke 2011 ; Camacho et al. 2016) AI six-segmented. AII five-segmented; outer seta of terminal segment in male transformed into a long, strong fang curved inwards. Md with large tooth on the ventral edge; lobe with row of three or four claws. MxII three-segmented. Male ThVIII twice as long as wide; penial region consisting of two lobes: dentate and posterior lobes; dentate lobe with denticles; outer lobe fused with penial region; exopod located on distal face of basipod; endopod reduced to a seta. Female ThVIII 1-segmented and very reduced in size. Furcal rami with three terminal spines. Type species. Racovitzaibathynella emilei Serban and Coineau, 1994 . Type locality: interstitial environment of Mutlumuvi River, Kruger National Park, Transvaal, South Africa . Other species. Racovitzaibathynella transvaalensis Serban and Coineau, 1994 , type locality: interstitial environment of Mutlumuvi River, Kruger National Park, Transvaal, South Africa . Racovitzaibathynella dumonti Camacho et al ., 2016 , type locality: dry channel of the Oued Douar River , near Totous village , Tibesti area, Chad .