†subfamily Protatrypinae Baarli et al. 2022 (lamp shell)

Rhynchonellata - Atrypida

Full reference: B. G. Baarli, B. Huang, and L. S. Maroja. 2022. Phylogeny of the Ordovician and Silurian members of the order Atrypida. Journal of Systematic Palaeontology 20(1):2145920

Parent taxon: Atrypida according to B. G. Baarli et al. 2022

Sister taxa: Anazygidina, Antelocoelia, Atrypidina, Davidsoniidina, Lissatrypidina, Undithyrella, Wutubulakia

Subtaxa: Dihelictera Eiratrypa Nottina Procarinatina Protatrypa Zygospiraella

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Type: Protatrypa

Ecology: stationary epifaunal suspension feeder

Distribution:

• Silurian of Canada (20: New Brunswick, Ontario, Quebec, Québec collections), China (23), Estonia (22), Kazakhstan (5), Norway (35), the Russian Federation (21), Sweden (1), Ukraine (1), the United Kingdom (7), United States (3: California, Indiana, Iowa)

• Ordovician to Silurian of Norway (1), United States (1: Illinois)

• Ordovician of Canada (1: Québec), Norway (2), Turkey (1)

Total: 144 collections including 154 occurrences

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