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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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Map of south Florida Loxahatchee (LOX) WCA 2A WCA 3A Biscayne Bay Shark River Slough (SRS) Taylor Slough (TS) Florida Bay Everglades National Park (ENP) Everglades National Park (ENP)

Amphora tenerrima


Authority:
Aleem & Hustedt
Year:
1951
References:
Witkowski et al. (2000). Iconographia Diatomologica (Vol.VII). Diatom flora of marine coast. Part 1., pg.152, Pl.166:12,13;
Ecological Preference:
Marine
Description:
Valve linear-lanceolate, with slightly protracted rostrate to sub-capitate dorsally bent poles, 14-22µm long, and 3-5µm broad. Dorsal striae slightly radiate, flattened at the centre, 22-26 in 10µm, ventral straight, 27-35 in 10µm, invisible under LM. Raphe filiform, located very close to the ventral side. Raphe branches almost straight or weakly sloping upwards from the poles to the central nodule. Central poles very hardly visible under LM. Distal ends more curved dorsally than proximal ends. Axial area very narrow, linear, central area absent on the dorsal side, on the ventral side bounded by ventral striae.
Length:
21.7 - 27.5 µm
Width:
3.9 - 5.1 µm
Strd:
18 - 22
Strv:
n/a
Projects:
  • Southeast Florida Coastal Mangroves
  • Florida Bay Paleo Project


    • Sample localities:
  • Florida Bay