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 graciosa Gracianella lissumbra Gracianella rudicristata

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Type: Gracianella lissumbra

Ecology: stationary epifaunal suspension feeder

Distribution:

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

• Silurian of Australia (1), Austria (2), Canada (14: Northwest Territories, Nunavut, Yukon, Yukon Territory), China (1), the Czech Republic (17), Greenland (2), Italy (1), Lithuania (1), the Russian Federation (2), Tajikistan (2), the United Kingdom (1), United States (2: Nevada)

Total: 48 collections including 55 occurrences

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Specimen images are retrieved through the ePANDDA API.


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