Amphistrophia (Amphistrophiella) Harper and Boucot 1978

Strophomenata - Strophomenida - Amphistrophiidae

Alternative spelling: Amphistrophiella

Synonyms: Amphistrophiella (Amsdenostrophiella), Amsdenostrophiella

Full reference: C. W. Harper and A. J. Boucot. 1978. The Stropheodontacea, part I: Leptostrophiidae, Eostropheodontidae and Strophonellidae. Palaeontographica Abteilung A 161:55-118

Parent taxon: Amphistrophia according to A. Williams et al. 2000

See also Sepkoski 2002 and Vladimirskaya and Kulkov 1999

Sister taxa: Amphistrophia (Amphistrophia), Amphistrophia (Pembrostrophia), Amphistrophia striata

Subtaxa: Amphistrophiella (Amphistrophiella) Amphistrophiella funiculata Amsdenostrophiella prolongata

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• Silurian of Canada (1: Quebec collection), the Czech Republic (3), Ireland (1), Lithuania (1), Mexico (7), Norway (1), the Russian Federation (1), Sweden (4), Ukraine (2), the United Kingdom (16), United States (1: Oklahoma), Venezuela (1)

Total: 39 collections each including a single occurrence

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