Family Arachnoidiscaceae Round et al. 1990 (diatom)
Bacillariophyceae - Arachnoidiscales - Arachnoidiscaceae
Full reference: F. E. Round, R. M. Crawford, and D. G. Mann. 1990. The diatoms biology and morphology of the genera.
Parent taxon: Arachnoidiscales according to F. E. Round et al. 1990
Sister taxa: none
Subtaxa: Arachnoidiscus
Ecology: "photoautotroph"
Distribution:
• Quaternary of North Pacific (4 collections), Southern Ocean (9)
• Pliocene to Pleistocene of Southern Ocean (1)
• Pliocene of Japan (1), North Pacific (1), Southern Ocean (2)
• Neogene of India (1)
• Miocene of Southern Ocean (7)
• Oligocene of India (1), North Pacific (2)
• Eocene of the Russian Federation (1)
• Paleocene of Antarctica (3)
Total: 33 collections including 34 occurrences