Colorado River in Glen Canyon:
Asymmetric Biraphid Diatoms F-Z

Gomphonella calcarea (Cleve) R.Jahn & N.Abarca

Gomphonema acuminatum Ehrenb.

Gomphonema cf. amerhombicum E.Reichardt

Gomphonema cf. angustatum (Kütz) Rabenh.

Gomphonema cf. elegantissimum E.Reich & Lange-Bert.

Gomphonema graciledictum E.Reich.

Gomphonema parvulum (Kütz.) Kütz.

Gomphonema pumilum (Grunow) E.Reichardt & Lange-Bert.

Gomphonema sphaerophorum Ehrenb.

Gomphonema truncatum Ehrenb.

Gomphonema cf. vibrio Ehrenb.

Halamphora cf. normanii (Rabenh.) Levkov

Reimeria sinuata (W.Gregory) Kociolek & Stoermer

Reimeria uniseriata Sala Guerrero & Ferrario

Rhoicosphenia abbreviata (C.Agardh) Lange-Bert.