Bacillariophyceae - Melosirales
Melosirales R.M. Crawford in Round et al. 1990
Full reference: F. E. Round, R. M. Crawford, and D. G. Mann. 1990. The diatoms biology and morphology of the genera.
Parent taxon: Bacillariophyceae according to F. E. Round et al. 1990
Sister taxa: Acanthodiscus, Achnanthales, Anaulales, Annellus, Arachnoidiscales, Asterolamprales, Aulacodiscaceae, Aulacoseirales, Bacillariales, Bacillariophycidae, Baxteria, Biddulphiales, Cavitatus, Chaetocerotaceae, Corethrales, Corinna, Coscinodiscales, Cresswellia, Cussia, Cyclophorales, Cymatodiscus, Cymatosirales, Cymbellales, Detonia, Dextradonator, Diatomaceae, Dicladia, Discodiscus, Dispinodiscus, Entogonia, Epithelion, Ethmodiscales, Eunotiales, Eurossia, Eustephaniaceae, Fenestrella, Fenestrellina, Fragilariales, Gladius, Glyphodiscus, Goniothecium, Helminthopsis, Hemiaulales, Hemidiscaceae, Hendeya, Horodiscus, Huttonia, Ikebea, Incisoria, Kannoa, Katahiraia, Kentrodiscus, Kittonia, Kozloviella, Leptocylindrales, Licnophoridae, Liostephania, Liradiscus, Liriogramma, Lithodesmiales, Longinata, Mastogloiales, Monobrachia, Muelleriopsis, Naviculales, Neobrunia, Odontotropis, Omphalotheca, Paraliales, Peponia, Poretzkia, Porotheca, Praecymatosira, Pseudodimerogramma, Pseudopyxilla, Pseudostictodiscus, Pterotheca, Pyrgodiscus, Raphidineae, Rhabdonematales, Rhaphoneidales, Rhizosoleniales, Rhoicosphenia, Rhopalodiales, Rouxia, Schimperiella, Simonseniella, Solium, Stictodiscales, Striatellales, Surirellales, Symbolophora, Tabellariales, Thalassionematales, Thalassiophysales, Thalassiosirales, Thalassiosiropsis, Triceratiales, Trinacria, Trochosiropsis, Tubaformis, Tubulariidae, Tumulopsis, Vulcanella, Xanthiopyxis, Heterales, Centrales, Pennales
Subtaxa: Endictyaceae Hyalodiscaceae Melosiraceae Stephanopyxidaceae Trochosiraceae
Ecology: "photoautotroph"
Distribution:
• Quaternary of Ethiopia (1 collection), India (1), Kenya (1), Sweden (1), United States (3: California)
• Blancan of United States (1: California)
• Pliocene to Pleistocene of Ethiopia (2)
• Pliocene of Armenia (1), Chile (1), Japan (3), United States (1: California)
• Miocene to Pliocene of Ethiopia (1)
• Miocene of Mexico (1), United States (4: Maryland, North Carolina, Virginia, Washington)
• Neogene of India (1)
• Eocene to Miocene of Argentina (1)
• Eocene of Mexico (3), the Russian Federation (1), United States (1: California)
• Paleocene of Antarctica (17)
• Cretaceous of Antarctica (21), Canada (60: Northwest Territories, Nunavut)
Total: 127 collections including 625 occurrences