Genus: Odontella | Diatom
Monterey Bay species: Odontella longicruris, Odontella aurita
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Description: Heavily silicified cells form curving or spiraling chains, joined by mucous pads on ends of elevations (horns). Numerous small chloroplasts. Cells can be solitary.
Cell Size: Width (apical axis) = 15-110um
Distribution: Most abundant in north temperate regions, and likely cosmopolitan. Some may be littoral species
Synonym: Odontella longicruris = Biddulphia longicruris, Odontella aurita = Biddulphia aurita