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53 gomphonemataceae species
Gomphonema tergestinum
Gomphonema lagerheimii
Gomphonema exilissimum
Encyonema gracile
Encyonema ventricosum
Gomphoneis oreophila
Gomphoneis rhombica
Encyonema yellowstonianum
Placoneis clementioides
Gomphonema pseudoaugur
Gomphonema parvulum
Encyonema triangulatum
Gomphonema affine
Gomphonema subclavatum
Encyonema minutum
Placoneis explanata
Gomphonema constrictum
Encyonema neogracile
Encyonema latens
Encyonema silesiacum
Placoneis clementis
Placoneis elginensis
Gomphonema dichotomum
Gomphonema intricatum
Gomphonema ventricosum
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