Welcome to the Diatom Image Database! The Periphyton Group at Florida International University created and maintains the Diatom Image Database, which includes over 980 diatom taxa found in the greater Everglades region of south Florida. Please send questions or comments about the Diatom Image Database to Franco Tobias .
You can also click on one of labeled areas on the map to browse by location.
Reichardt, E. (1999). Zur Revision der Gattung Gomphonema: Die Arten um G. affine/insigne, G. angustatum/micropus, G. acuminatum sowie gomphonemoide Diatomeen aus dem Oberoligozan in Bohmen. Iconographia Diatomologica 8, pp. 13-15, 76, 77 [t.7:1-3], 78, 79 [t.8:2-14], 80, 81 [t.9:1-12]
Gomphonema lanceolatum (sensu Hustedt non Ehrenberg 1843 nec Agardh 1830), Gomphonema magnificum (Gandhi, 1960)
Valves recorded are more elliptic-lanceolate, never elongate; striae around apex of valve
some occurrences of specimens with more than one stigma have been recorded