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)
• Whiterockian of United States (5: California, Utah)
• Chazyan of United States (2: Virginia)
• Canadian of United States (1: 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), the United Kingdom (1), United States (36: Alaska, California, Colorado, Minnesota, Missouri, Nevada, Ohio, Tennessee, Utah, Virginia)
Total: 159 collections including 168 occurrences