Orostylis gen. nov., a new genus of Dalytyphloplanida with seven new species (Platyhelminthes: Rhabdocoela) Author GOBERT, STEFAN Author ARMONIES, WERNER Author DIEZ, YANDER L. Author JOUK, PHILIPPE Author MONNENS, MARLIES Author REVIS, NATHALIE Author REYGEL, PATRICK Author SMITH, JULIAN III Author STEENKISTE, NIELS VAN Author ARTOIS, TOM text Zootaxa 2022 2022-03-11 5115 1 29 46 http://dx.doi.org/10.11646/zootaxa.5115.1.2 journal article 20277 10.11646/zootaxa.5115.1.2 9bfb9ced-fc99-4421-96d1-24d28c8e4060 1175-5326 6346911 E78C0947-2E8A-4663-A428-9303E84D6924 Orostylis gen. nov. Gobert, Armonies, Diez, Jouk, Monnens, Revis, Reygel, Smith III, Van Steenkiste & Artois Etymology . The name Orostylis is derived from the Latin “os” (mouth), and “stylis” (stylet). The name refers to the fact that the male copulatory apparatus connects to the mouth in the type species. Diagnosis . Anterior-facing, cylindrical pharynx and sclerotised stylet in the anterior part of the body. Male genital opening in the oral cavity. Single ovary and vitellarium ( O. timucuorum sp. nov. might have two vitellaria). No other female genital structures. Testes paired or unpaired. No visible connection between the female genital system and the environment, except possibly in O. timucuorum sp. nov. Grammatical gender . masculine Type species . Orostylis dohae , sp. nov. , described below.