Helcionelloida - Helcionellida - Helcionellidae

Parent taxon: Helcionellinae according to P. Y. Parkhaev and Y. Demidenko 2010

See also Sepkoski 2002

Sister taxa: Absidaticonus, Aegitellus, Anabarella, Anabaroconus, Anhuiconus, Anuliconus, Asiapatella, Asperconella, Auricullina, Bemella, Calyptroconus, Capitoconus, Chuiliella, Cycloholcus, Daedalia, Davidonia, Dorispira, Emarginoconus, Eocyrtolites, Fenqiaronia, Figurina, Guadalquivirospira, Hampilina, Hampilininae, Helcionella, Hispanoconus, Hujiagouella, Igorella, Ilsanella, Kuonamkaella, Latouchella, Lenoconus, Leptostega, Manasoconus, Marocella, Minastirithella, Miroconulus, Nyuella, Obtusoconus, Oelandia, Oelandiella, Papilloconus, Parapelagiella, Pararaconus, Paucella, Pedrocheotheca, Perssuakiella, Prosinuites, Protowenella, Pseudopollicina, Randomia, Ressericonella, Securiconus, Tannuella, Totoralia, Truncatoconus, Tuoraconus, Yangtzeconinae

Subtaxa: Postacanthella elegans

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Type: Postacanthella elegans

Ecology: slow-moving low-level epifaunal detritivore

Distribution: found only at Yuanjiaping, bed 7 (Cambrian of China)

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Specimen images are retrieved through the ePANDDA API.