Chuaria circularis Walcott 1899 (acritarchs)

Life

Full reference: C. D. Walcott. 1899. Pre-Cambrian fossiliferous formations. Bulletin of the Geological Society of America 10:199-244

Belongs to Chuaria according to J. Q. Liu et al. 2023

See also Hofmann 1977, Hofmann 1979, Knoll and Calder 1983 and Trompette 1996

Sister taxon: Chuaria pendjariensis

Type specimen: Its type locality is Kwagunt Valley, which is in a Proterozoic marine horizon in Arizona

Distribution:

• Ediacaran of Canada (3: Nunavut collections), China (2), Spain (1)

• Tonian of Canada (6: Northwest Territories), the Russian Federation (1), Svalbard and Jan Mayen (1), United States (1: Utah)

• Statherian of China (3)

• Proterozoic of United States (1: Arizona)

Total: 19 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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