Authority:
(Brebisson) Round & Bukhtiyarova
References:
Round, F.E. & L. Bukhtiyarova (1996). Four new genera based on Achnanthes (Achnanthidium) together with a re-definition of Achnanthidium. Diatom Research, 11 (2), pg. 352, Figs 7-10;
Synonyms:
Achnanthes lanceolata (Brebisson), Achnanthidium lanceolata (Brebisson) Grunow in Cleve & Grunow, 1880), Achnanthidium lanceolatum (Brebisson ex Kutzing) Czarnecki, 1987)
Ecological Preference:
Fresh
Description:
Cells small, slightly curved in girdle view; valves are elliptic to elliptic-lanceolate, sometimes with drawn out or widely capitate apices; thick (bi-multiseriate) striae are radial, sometimes almost transverse on araphid valves, and continuous; raphe valve with prominent raphe often centrally expanded and turned to the side at apices; sternum variable; valve mantle has inconspicuous ring of mantle pores; valve is ribbed internally between areolae clusters; length is 4-20(40)µm, breadth is 5-10(15)µm; striae count is 10-15(2) in 10µm
Projects:
Southeast Florida Coastal Mangroves
Transect Project