Zygospiraella Nikiforova 1961

Rhynchonellata - Atrypida

Alternative spelling: Zygospirella

Synonym: Megumatrypa

Parent taxon: Protatrypinae according to B. G. Baarli et al. 2022

See also Copper 1982, Sepkoski 2002 and Williams et al. 2002

Sister taxa: Dihelictera, Eiratrypa, Nottina, Procarinatina, Protatrypa

Subtaxa: Zygospiraella duboisi Zygospiraella venusta

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Distribution:

• Silurian of Canada (14: Ontario, Quebec, Québec collections), China (19), Estonia (22), Kazakhstan (5), Norway (1), the Russian Federation (11), Ukraine (1), the United Kingdom (1), United States (1: California)

• Ordovician of Canada (1: Québec)

Total: 76 collections including 80 occurrences

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Specimen images are retrieved through the ePANDDA API.


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