E. Fourtanier et Jp. Kociolek, GOMPHONEMA-PIERREBOURRELLYI SP. NOV., A N EW GOMPHONEMA (BACILLARIOPHYCEAE) FROM THE UPPER MIOCENE OF ECUADOR, Cryptogamie. Algologie, 19(1-2), 1998, pp. 75-82
A new diatom species, Gomphonema pierrebourrellyi, from the upper Mioc
ene of Ecuador, is described in light and electronic microscopy. The u
ltrastructure of this species demonstrates that it is closely related
to the other Gomphonemata; it has however, a unique suite of features
possessing similarities with several distinct groups of gomphonemoid d
iatoms.