Terpsinoe americana by H. and M. PeragalloDiatomées marines de France et des districts maritimes voisins, par H. et M. Peragallo (b. 1851 and 1853, respectively). Publication info: Grez-sur-Loing,M. J. Tempère,1897-1908. Plate 90
A seeweed known as Huiro Palo massively harvested in Chile for export as a thickening agent in foods and cosmetics. The ecological consequences can be devastating.
Terpsinoe americana by Henri CoupinFrom: Album général des diatomées marines, d'eau douce ou fossiles : album représentant tous les genres de diatomées et leurs principales espèces / par Henri Coupin (b. 1868).Plate 313: frustrules (600x magnification). sea water