(Gomphonema) (Gomphonema) is a biological genus in the family Gomphonemataceae and order Cymbellales.
Gomphonema abbreviatum
Gomphonema acuminatum
Gomphonema aestuarii
Gomphonema affine
Gomphonema angustatum
Gomphonema apuncto
Gomphonema augur
Gomphonema bohemicum
Gomphonema brasiliense
Gomphonema clevei
Gomphonema consector
Gomphonema cymbelloides
Gomphonema dichotomum
Gomphonema exiguum
Gomphonema exilissima
Gomphonema geminatum
Gomphonema germainii
Gomphonema gracile
Gomphonema grovei
Gomphonema grunowii
Gomphonema helveticum
Gomphonema herculeana
Gomphonema insigne
Gomphonema kamtschaticum
Gomphonema laticeps
Gomphonema leptocampum
Gomphonema longiceps
Gomphonema longipes
Gomphonema montanum
Gomphonema olivaceoides
Gomphonema olivaceum
Gomphonema parvulum
Gomphonema productum
Gomphonema pseudoaugur
Gomphonema pseudotenellum
Gomphonema pygmaeum
Gomphonema robustum
Gomphonema sagitta
Gomphonema sarcophagus
Gomphonema semiapertum
Gomphonema septata
Gomphonema sphaerophorum
Gomphonema subclavatum
Gomphonema submehleri
Gomphonema subtile
Gomphonema superiorensis
Gomphonema tergestinum
Gomphonema trigonocephalum
Gomphonema truncatum
Gomphonema tumens
Gomphonema turris
Gomphonema vibrio
Didymosphenia
Gomphoneis
Gomphonema
Reimeria