†family Cyrtinopsidae Wedekind 1926 (lamp shell)

Rhynchonellata - Spiriferida - Cyrtinopsidae

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

Sister taxa: Acrospiriferidae, Delthyrididae, Filispiriferidae, Hysterolitidae, Mucrospiriferidae

Subtaxa: Araspiriferinae Cyrtinopsinae

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Type: Cyrtinopsis

Ecology: stationary epifaunal suspension feeder

Distribution:

• Devonian of Australia (9 collections), Austria (1), Canada (12: Ontario, Quebec, Yukon), China (1), the Czech Republic (3), Germany (1), Mongolia (2), New Zealand (1), the Russian Federation (5), United States (92: California, Indiana, Nevada, New York, Oklahoma, Pennsylvania, West Virginia, West Virginia, Maryland, Pennsylvania), Venezuela (1)

• Silurian to Devonian of United States (1: Oklahoma)

• Silurian of Australia (1), Canada (1: Northwest Territories), the Czech Republic (5), Sweden (11), the United Kingdom (6), United States (10: Arkansas, New York, Oklahoma)

Total: 163 collections including 166 occurrences

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