Delthyris Dalman 1828 (lamp shell)

Rhynchonellata - Spiriferida - Delthyrididae

Alternative spelling: Spirifer (Delthyris)

Parent taxon: Delthyridinae according to A. Williams et al. 2006

See also Bassett and Cocks 1974, Johnson 1970, Kirk and Amsden 1952 and Sepkoski 2002

Sister taxon: Ivanothyris

Subtaxa: Delthyris (Quadrifarius) Delthyris acutilirata Delthyris consobrina Delthyris elegans Delthyris elevata Delthyris ptychodes Delthyris pusio Delthyris rostrata

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Type: Delthyris elevata

Ecology: stationary epifaunal suspension feeder

Distribution:

• Carboniferous of Australia (3 collections), Canada (1: Alberta), United States (5: Alaska, Indiana, Montana)

• Devonian of Algeria (2), Australia (6), China (1), Kazakhstan (1), Poland (1), the Russian Federation (5), Tajikistan (1), United States (16: Alaska, Indiana, Missouri, New York, Pennsylvania, Tennessee, West Virginia, West Virginia, Maryland, Pennsylvania)

• Silurian to Devonian of Canada (2: Nova Scotia)

• Silurian of Australia (2), Belarus (2), Canada (18: Northwest Territories, Nova Scotia, Nunavut, Ontario, Quebec, Québec, Yukon, Yukon Territory), China (1), Estonia (14), Latvia (3), Lithuania (16), Mexico (12), Norway (3), Poland (1), the Russian Federation (5), Spain (1), Sweden (20), Tajikistan (1), Ukraine (9), the United Kingdom (7), United States (25: Alaska, Indiana, Iowa, Maine, Maryland, Nevada, New York, Oklahoma, West Virginia), Venezuela (1)

• Niagaran of Canada (2: Québec)

• Ordovician of United States (1: Illinois)

Total: 188 collections including 208 occurrences

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Specimen images are retrieved through the ePANDDA API.


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