Family Aulacoseiraceae Crawford 1990 (diatom)
Bacillariophyceae - Aulacoseirales - Aulacoseiraceae
Parent taxon: Aulacoseirales according to F. E. Round et al. 1990
Sister taxa: none
Subtaxa: Aulacoseira Eoseira
Ecology: "photoautotroph"
Distribution:
• NN21 of North Pacific (16 collections)
• Quaternary of Indian Ocean (4), North Pacific (62), South Pacific (2)
• Blancan of United States (1: Oregon)
• Pliocene to Pleistocene of North Pacific (1)
• Pliocene of North Pacific (10)
• Miocene of North Pacific (2), Southern Ocean (3)
• Eocene of Canada (4: British Columbia, Lac de Gras)
Total: 105 collections each including a single occurrence