Helcionelloida - Helcionellida - Helcionellidae
Full reference: G. F. Matthew. 1899. The Etcheminian fauna of Smith Sound, Newfoundland. Transactions of the Royal Society of Canada 5:97-119
Parent taxon: Helcionellidae according to P. Yu. Parkhaev 2002
See also Bengtson 1992 and Sepkoski 2002
Sister taxa: Absidaticonus, Aegitellus, Anabarella, Anabaroconus, Anhuiconus, Anuliconus, Asiapatella, Asperconella, Auricullina, Bemella, Calyptroconus, Capitoconus, Chuiliella, Cycloholcus, Daedalia, Davidonia, Emarginoconus, Eocyrtolites, Fenqiaronia, Figurina, Guadalquivirospira, Hampilina, Hampilininae, Helcionella, Hispanoconus, Hujiagouella, Igorella, Ilsanella, Kuonamkaella, Lenoconus, Leptostega, Manasoconus, Marocella, Minastirithella, Miroconulus, Nyuella, Obtusoconus, Oelandia, Oelandiella, Papilloconus, Parapelagiella, Pararaconus, Paucella, Pedrocheotheca, Perssuakiella, Postacanthella, Prosinuites, Protowenella, Pseudopollicina, Securiconus, Tannuella, Totoralia, Truncatoconus, Tuoraconus, Yangtzeconinae
Subtaxa: Randomia aurorae
Ecology: slow-moving low-level epifaunal detritivore
Distribution:
• Cambrian of Australia (1 collection), Canada (1: Nova Scotia)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.