Helcionelloida - Helcionellida - Helcionellidae
Full reference: V. V. Missarzhevsky. 1989. Oldest skeletal fossils of late Precambrian and early Cambrian age: a review of recent work. Trudy Geologicheskogo Instituta AN SSSR 443:1-231
Parent taxon: Helcionellidae according to A. Kouchinsky et al. 2017
See also Missarzhevsky 1989 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, Randomia, Securiconus, Tannuella, Totoralia, Truncatoconus, Yangtzeconinae
Subtaxa: Tuoraconus acutatus
Type: Tuoraconus acutatus
Ecology: slow-moving low-level epifaunal detritivore
Distribution:
• Cambrian of the Russian Federation (2 collections)
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.