Chlorophyceae - Volvocales - Chlorococcaceae
Parent taxon: Volvocales according to M. D. Guiry and G. M. Guiry 2025
Sister taxa: none
Subtaxa: Leiosphaeridia Palaeoanacystis Tetraedron
Ecology: stationary epifaunal "photoautotroph"
Distribution:
• Quaternary of Southern Ocean (11 collections), United States (1: North Carolina)
• Pliocene to Pleistocene of Southern Ocean (2)
• Pliocene of Southern Ocean (13)
• Miocene of Argentina (1), Southern Ocean (16)
• Oligocene of Azerbaijan (3)
• Eocene of Argentina (1), Germany (1)
• Paleocene of Argentina (10)
• Cretaceous of Antarctica (1), Argentina (7), Australia (1), Brazil (1), Israel (2), South Sudan (6), the United Kingdom (1), United States (7: Kansas)
• Jurassic of Argentina (1), the Russian Federation (2)
• Triassic of Madagascar (1)
• Permian to Triassic of Germany (1)
• Permian of Germany (19)
• Devonian of United States (2: Ohio, Wyoming)
• Silurian of Norway (4), the Russian Federation (6)
• Ordovician of Estonia (19), Serbia (1), Sweden (1), the United Kingdom (1)
• Cambrian of Belarus (2), Canada (1: Alberta), China (1), Finland (1), Norway (3)
• Amgan of the Russian Federation (1)
• Wonokan of Argentina (2)
• Ediacaran of Brazil (2), Estonia (2), Norway (13), the Russian Federation (3)
• Cryogenian of the Russian Federation (3)
• Tonian of Australia (15), Canada (13: Northwest Territories, Yukon), China (2), the Congo-Kinshasa (1), India (1), the Russian Federation (1), Sweden (1), United States (27: Arizona)
• Neoproterozoic of India (1), Norway (3)
• Stenian of Canada (3: Nunavut)
• Ectasian of the Russian Federation (1)
• Calymmian of Australia (4), China (1), the Russian Federation (2), United States (1: Montana)
• Mesoproterozoic of India (1)
• Statherian of Australia (15), China (4), India (2)
• Orosirian of Canada (4: Nunavut), Gabon (1)
Total: 281 collections including 394 occurrences