Florida Coastal Everglades LTER - Diatom Image Database

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 .

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Seminavis obtusiuscula

Authority:

(A. Schmidt) Danielidis & Mann

Year:

2002

References:

Danielidis, D.B. & D.G. Mann (2002). The systematics of Seminavis (Bacillariophyta): the lost identities of Amphora angusta, A. ventricosa and A. macilenta. In press.

Synonyms:

Amphora obtusiuscula (Sullivan, 1990)

Ecological Preference:

Marine

Description:

Valve semi-elliptic, 14-55µm long, 4-8µm broad. Raphe straight, slightly displaced towards ventral margin, external central endings approximate, axial area linear, widened in the middel, Dorsal striae 34-40 in 10µm, hardly resolvabo under LM.

Projects:

Florida Bay Paleo Project

Sample localities:

Florida Bay

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Seminavis obtusiuscula