†family Cystoseiraceae (brown algae)
Phaeophyceae - Fucales - Cystoseiraceae
Parent taxon: Fucales according to C. Bruno de Sousa et al. 2019
See also Amico 1995, Parker and Dawson 1965 and Verlaque et al. 1999
Sister taxa: Pterophycus, Sargassites, Sargassum
Subtaxa: Cystoseirites Paleocystophora Paleohalidrys
Ecology: "photoautotroph"
Distribution:
• Miocene of Austria (1 collection), United States (8: California)
• Oligocene of Germany (1)
• Triassic of France (1)
Total: 11 collections including 15 occurrences