Gracianella Johnson and Boucot 1967 (lamp shell)

Rhynchonellata - Atrypida - Atrypinidae

Synonym: Claratrypa

Parent taxon: Atrypininae according to A. Williams et al. 2002

See also Jin and Chatterton 1997 and Sepkoski 2002

Sister taxon: Atrypina

Subtaxa: Gracianella (Guangyuania) Gracianella cryptumbra Gracianella graciosa Gracianella lissumbra Gracianella reflexa Gracianella rudicristata

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Type: Gracianella lissumbra

Ecology: stationary epifaunal suspension feeder

Distribution:

• Whitwellian of Canada (2: Northwest Territories collections)

• Silurian to Devonian of Australia (1), Italy (1)

• Silurian of Australia (1), Austria (2), Canada (12: Northwest Territories, Nunavut, Yukon, Yukon Territory), China (1), Czechia (17), Greenland (2), Italy (1), Lithuania (1), the Russian Federation (2), Tajikistan (2), the United Kingdom (1), United States (13: Nevada)

Total: 59 collections including 71 occurrences

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Specimen images are retrieved through the ePANDDA API.


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