Bacillariophyceae - Hemiaulales - Hemiaulaceae
as "Hemiaulidae"
Full reference: P.A.C. Heiberg. 1863. Conspectus criticus Diatomacearum Danicarum. Kritisk Oversigt over De Danske Diatomeer. Wilhelm Priors Forlag, Kjøbenhavn 135pp,6pls
Parent taxon: Hemiaulales according to F. E. Round et al. 1990
See also Andrews 1976
Sister taxa: none
Subtaxa: Abas Baxteriopsis Cerataulina Eucampia Pseudorutilaria Riedelia Sphynctolethus
Ecology: "photoautotroph"
Distribution:
• Quaternary of Southern Ocean (89 collections)
• Pliocene to Pleistocene of Southern Ocean (9)
• Pliocene of Southern Ocean (69)
• Miocene to Pliocene of Southern Ocean (4)
• Miocene of Southern Ocean (139), United States (1: Maryland)
• Oligocene of Southern Ocean (1)
• Eocene of the Russian Federation (1)
• Paleocene of Antarctica (1)
Total: 314 collections including 327 occurrences