Parent taxon: Mollusca according to Y. Oh et al. 2025
See also Sepkoski 2002 and Wotte 2006
Sister taxa: Acevina, Actinoconus, Aculifera, Aculopileus, Acutirostriconus, Aldanolina, Algomella, Anisomyaria, Aulacotrochus, Aviculocephaloconus, Bagenoviella, Beroides, Bisulcus, Bivalvia, Calyptoptomatida, Cambroscutum, Centriconus, Cephalopoda, Chiton cottae, Codonoconus, Conchifera, Conchula, Corystos, Crestoconus, Cyrtostoma, Dingus, Diplacophora, Dysmea, Dysnoetopla, Ebianella, Eosoconus, Gastropoda, Granoconus, Gutticonus, Hamatoconus, Hemithecellitina, Huangshandogoconus, Huangshandongoconus, Kaschkadakia, Katunioides, Kepinospira, Khairkhaniidae, Khairkhaniiformes, Kraikchania, Kuanchuanella, Laticonus, Liantuoconus, Ligyrokala, Mackenziella, Maikhanellidae, Makarakia, Merismoconcha, Minymerisma, Odontogriphus, Omalenlina, Paragastropoda, Peotoconus, Polytropis, Porcaconus, Proconus, Pseudomatthevia, Rostroconchia, Salanyella, Sargaella, Scamboscamna, Scaphopoda, Serialia, Sinuconus, Songlingella, Spatuloconus, Stenothecella, Sulcocarina, Tergomya, Trunctoconus, Tuberoconus, Wiwaxiidae, Xenoconchia, Xilingxiaconus, Xinnanospira, Yangtzemerisma
Subtaxa: Beshtashella Ceratoconidae Emargimantus Helcionellida Helcionelliformes Michniakia Pelagiellida
Ecology: slow-moving low-level epifaunal detritivore