†family Helcionellidae Wenz 1938 (mollusk)

Helcionelloida - Helcionellida - Helcionellidae

Alternative spelling: Helcionellinae

Synonym: Eosoconidae Yu 1979

Full reference: W. Wenz. 1938. Handbuch der Paläozoologie; Gastropoda. Handbuch der Paläozoologie

Parent taxon: Helcionelloidea according to P. J. Wagner 2017

See also Bouchet et al. 2005, Feng et al. 2000, Geyer 1994, Golikov and Starobogatov 1975, Gubanov et al. 2004, Jacquet and Brock 2016, Knight et al. 1960, Landing and Bartowski 1996, Landing et al. 2002, Missarzhevsky 1989, Parkhaev 2001, Parkhaev 2002, Parkhaev 2004, Parkhaev and Demidenko 2010, Runnegar and Jell 1976, Wahlman 1992 and Wotte 2006

Sister taxa: Carinopeltidae, Igarkiellidae, Procarinariidae

Subtaxa: Absidaticonus Aegitellus Anabaroconus Anhuiconus Anuliconus Asiapatella Asperconella Auricullina Bemella Calyptroconus Capitoconus Chuiliella Cycloholcus Daedalia Davidonia Emarginoconus Eocyrtolites Fenqiaronia Figurina Ginella Guadalquivirospira Hampilina Hampilininae Helcionella Hispanoconus Hujiagouella Igorella Kuonamkaella Lenoconus Leptostega Manasoconus Marocella Minastirithella Miroconulus Nyuella Oelandia Oelandiella Papilloconus Pararaconus Paucella Pedrocheotheca Perssuakiella Postacanthella Prosinuites Protowenella Pseudomyona Pseudopollicina Randomia Salanyella Securiconus Tannuella Totoralia Truncatoconus Yangtzeconinae

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Type: Minastirithella

Ecology: slow-moving low-level epifaunal detritivore

Distribution:

• Ordovician of Kazakhstan (3 collections)

• Marjumian of Greenland (1), United States (2: New York, Vermont)

• Cambrian of Antarctica (7), Australia (65), Canada (16: Alberta, British Columbia, Labrador, Newfoundland and Labrador, Nova Scotia, Quebec), China (55), the Czech Republic (1), Denmark (2), Germany (6), Greenland (11), Iran (1), Israel (1), Kazakhstan (7), Kyrgyzstan (4), Mexico (3), Mongolia (2), Morocco (17), New Zealand (2), North Korea (1), Norway (2), the Russian Federation (65), South Korea (1), Spain (11), Sweden (2), the United Kingdom (2), United States (24: Idaho, Indiana, Massachusetts, New York, Pennsylvania, Tennessee, Vermont, Virginia)

Total: 314 collections including 618 occurrences

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