Helcionelloida - Helcionellida - Helcionellidae
Synonyms: Charaulachella Vassiljeva 1990, Kalbyella Berg-Madsen and Peel 1978, Latirostratus Yü 1979, Repenoconus Feng et al. 1994, Rostroconus, Sacciconus Jiang 1980, Sichuanospira He 1984, Striatoconus Feng et al. 2000
Full reference: A. Y. Rozanov, V. V. Missarzhevsky, N. A. Volkova, L. G. Voronova, I. N. Krylov, B.M. Keller, I. K. Korolyuk, K. Lendzion, R. Mikhnyar, N. G. Pykhova, and A. D. Sidorov. 1969. Tommotskiu jarus i problema nizhney granisty kembriya [The Tommotian Stage and the Cambrian lower Boundary problem]. Trudy Geoligske Institut Leningrad 206:1-379
Parent taxon: Helcionellidae according to P. J. Wagner 2023
See also Bengtson 1992, Berg-Madsen and Peel 1978, Devaere et al. 2013, Elicki 1994, Feng et al. 1994, Feng et al. 2000, Kouchinsky et al. 2017, Missarzhevsky 1989, Parkhaev 2001, Parkhaev 2002, Parkhaev and Demidenko 2010, Rozanov et al. 1969, Runnegar and Jell 1976, Sepkoski 2002 and Vasil’yeva 1998
Sister taxa: Absidaticonus, Aegitellus, Anabarella, Anabaroconus, Anhuiconus, Anuliconus, Asiapatella, Asperconella, Auricullina, 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, Tuoraconus, Yangtzeconinae
Subtaxa: Bemella ambita Bemella amplaperata Bemella atava Bemella barskovae Bemella bella Bemella communis Bemella flexa Bemella incomparabilis Bemella jacutica Bemella malycanica Bemella minuta Bemella multicarinata Bemella parula Bemella rotundata Bemella septata Bemella villemsonae Bemella vonbitteri Bemella xinjiensis Kalbyella poulseni Sacciconus yanjiaheensis
Type: Helcionella jacutica
Ecology: slow-moving low-level epifaunal detritivore
Distribution:
• Solvan of Australia (1 collection), Morocco (1)
• Amgan of Denmark (1)
• Placentian of United States (1: Massachusetts)
• Cambrian of Australia (6), Canada (3: Newfoundland and Labrador), China (27), Germany (2), Iran (1), the Russian Federation (34), United States (1: Massachusetts)
Total: 78 collections including 92 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.