Bacillariophyceae - Fragilariales - Fragilariaceae
Full reference: R. K. Greville. 1833. Div. IV. Diatomaceae. The English Flora of Sir James Edward Smith. Class XXIV. Cryptogamia 5:401-415
Parent taxon: Fragilariales according to P. C. Silva 1962
See also Andrews 1976
Sister taxa: none
Subtaxa: Asterionella Ceratoneis Creania Diatoma Fragilaria Fragilarioideae Meridion Neosynedra Opephora Podocystis Raphoneis Synedra Synedropsis Tabellarioideae
Ecology: "photoautotroph"
Distribution:
• Quaternary of Denmark (1 collection), India (1), Sweden (1), United States (7: California, Michigan)
• Blancan of United States (1: California)
• Pliocene to Pleistocene of Ethiopia (3)
• Pliocene of Armenia (1), Chile (1), Japan (1), United States (1: California)
• Neogene of India (1)
• Miocene of United States (3: North Carolina, Virginia, Washington)
• Cretaceous of Canada (5: Northwest Territories)
Total: 27 collections including 55 occurrences