†informal Algae

Sister taxa: none

Subtaxa: Archidesmus loganensis Bartenia

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Distribution:

• Quaternary of Saudi Arabia (1 collection)

• Miocene to Pliocene of United States (1: Nebraska)

• Eocene of the United Kingdom (1)

• Cretaceous of Sudan (17), Turkmenistan (1)

• Jurassic of Colombia (1)

• Triassic of Canada (1: British Columbia), Italy (3), Norway (1), Slovakia (1), United States (2: Utah)

• Permian of Malaysia (1), Norway (1), Tunisia (2), United States (3: Nevada, Utah)

• Chesterian of United States (2: Montana)

• Carboniferous of Spain (2), United States (4: Utah)

• Devonian of Austria (3), Canada (2: Alberta, Nunavut), China (1), Germany (1), Italy (1), Spain (1), United States (4: Nevada, New York)

• Silurian of Australia (1), China (1), the Czech Republic (3), Estonia (1), Norway (3), the Russian Federation (2), Sweden (14), Ukraine (1), the United Kingdom (2), United States (6: Iowa, Maryland, New York)

• Cambrian of Canada (14: British Columbia), United States (1: Nevada)

Total: 107 collections including 118 occurrences

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