Parent taxon: Mollusca according to A. Wells and W. W. K. Houston 2001
Sister taxa: Acevina, Actinoconus, Aculopileus, Acutirostriconus, Aldanolina, Algomella, Anisomyaria, Aulacotrochus, Aviculocephaloconus, Bagenoviella, Beroides, Bisulcus, Bivalvia, Calyptoptomatida, Cambroscutum, Caudofoveata, Centriconus, Cephalopoda, Chiton cottae, Codonoconus, Conchifera, Conchula, Corystos, Crestoconus, Cyrtostoma, Dingus, Diplacophora, Dysmea, Dysnoetopla, Ebianella, Eosoconus, Gastropoda, Granoconus, Gutticonus, Hamatoconus, Helcionelloida, Hemithecellitina, Huangshandogoconus, Huangshandongoconus, Kaschkadakia, Katunioides, Kepinospira, Khairkhaniidae, Khairkhaniiformes, Kraikchania, Kuanchuanella, Laticonus, Liantuoconus, Ligyrokala, Mackenziella, Maikhanellidae, Makarakia, Merismoconcha, Minymerisma, Nothamusium, Odontogriphus, Omalenlina, Paragastropoda, Peotoconus, Polytropis, Porcaconus, Proconus, Pseudomatthevia, Rostroconchia, Sachitida, Salanyella, Sargaella, Scamboscamna, Scaphopoda, Serialia, Sinuconus, Solenogastres, Songlingella, Spatuloconus, Stenothecella, Sulcocarina, Tergomya, Trunctoconus, Tuberoconus, Xilingxiaconus, Xinnanospira, Yangtzemerisma
Subtaxa: Acaenoplax Kulindroplax
Distribution: found only at Herefordshire Konservat-Lagerstätte (Silurian of the United Kingdom)