Synonyms: Halwaxida Conway Morris and Caron 2007, Halwaxiida Conway Morris and Caron 2007, Thambetolepida Jell 1981
Parent taxon: Mollusca according to J. Vinther et al. 2017
See also Conway Morris and Caron 2007, Kouchinsky et al. 2017, Parkhaev and Demidenko 2010 and Sepkoski 2002
Sister taxa: Acevina, Actinoconus, Aculopileus, Acutirostriconus, Aldanolina, Algomella, Anisomyaria, Aplacophora, 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, Ladamarekiidae, Laticonus, Liantuoconus, Ligyrokala, Mackenziella, Maikhanellidae, Makarakia, Merismoconcha, Minymerisma, Nothamusium, Odontogriphus, Omalenlina, Paragastropoda, Peotoconus, Polytropis, Porcaconus, Proconus, Pseudomatthevia, Rostroconchia, Salanyella, Sargaella, Scamboscamna, Scaphopoda, Serialia, Sinuconus, Solenogastres, Songlingella, Spatuloconus, Stenothecella, Sulcocarina, Tergomya, Trunctoconus, Tuberoconus, Watsonella, Xilingxiaconus, Xinnanospira, Yangtzemerisma
Subtaxa: Aculifera Adversella Australohalkieria Carubacgutes Halkierioidea Hippopharangites Miriella Ninella Orthrozanclidae Quadrochites Siphogonuchitidae Siphogonuchitoidea Wiwaxia
Ecology: epifaunal grazer