Chlorophyceae - Receptaculitidae
Parent taxon: Chlorophyceae according to W. Kiessling 2003
Sister taxa: Anatoliporaceae, Chaetophorales, Chlorococcales, Chlorotylites, Chuvashovia, Dascladales, Dasycladales, Euglena, Hungarodiscus, Hydrodictyaceae, Larvaria, Noremia, Paleosiphonocladales, Pediastrites, Pediastrum, Pleurozonaria, Scenedesmaceae, Tetrasporales, Ulothrix, Volvocales
Subtaxa: Calathida Calathidae Fisherites Ischadites Leptopoterion Receptaculites Soanites
Ecology: stationary epifaunal "photoautotroph"
Distribution:
• Devonian of Afghanistan (2 collections), Australia (3), Belgium (1), Bolivia (1), Canada (3: Alberta, Ontario), Germany (1), Italy (1), New Zealand (2), Spain (1), United States (4: Alaska, New York)
• Silurian of Australia (1), Canada (5: British Columbia, Northwest Territories, Nunavut), Czechia (3), United States (11: Illinois, Indiana, Iowa, New York, Tennessee, Wisconsin)
• Chazyan of United States (2: Virginia)
• Whiterockian of United States (5: California, Utah)
• Ordovician of Canada (63: Manitoba, Newfoundland and Labrador, Northwest Territories, Nunavut, Ontario, Quebec), China (3), Estonia (1), India (1), Norway (3), the Russian Federation (3), Svalbard and Jan Mayen (1), United States (36: Alaska, California, Colorado, Minnesota, Missouri, Nevada, Ohio, Tennessee, Utah, Virginia)
• Canadian of United States (1: Utah)
Total: 158 collections including 167 occurrences