Eunotiaceae

Eunotiaceae is a family of diatoms in the order Eunotiales that includes the following genera:

• Actinella F.W. Lewis, 1864
• Amphicampa (C.G. Ehrenberg) J. Ralfs in A. Pritchard, 1861
• Amphorotia G.M. Williams & G. Reid, 2006
• Burliganiella C.E.Wetzel & Kociolek
• Bicudoa C.E.Wetzel, Lange-Bertalot & L.Ector, 2012
• Colliculoamphora D.M. Williams & G. Reid, 2006 †
• Desmogonium C.G. Ehrenberg in R. Schomburgk, 1848
• Eunotia C.G. Ehrenberg, 1837
• Eunotioforma J.P.Kociolek & A.L.Burliga, 2013
• Euodia J.W. Bailey ex J. Ralfs in A. Pritchard, 1861
• Perinotia D. Metzeltin & H. Lange-Bertalot, 2007
• Semiorbis R. Patrick in R. Patrick & C.W. Reimer, 1966
• Temachium Wallroth, 1833

Description

• Valves with bilateral symmetry (symmetric about a line)
• Valves often asymmetrical to the apical axis
• Raphe system is short and provides weak motility
• Raphe located on valve mantle and face
• Cells may possess 2 or more rimoportulae (labiate processes)

References

• The Diatoms of the United States, Exclusive of Alaska and Hawaii: Fragilariaceae, Eunotiaceae, Achnanthaceae, Naviculacae. R Patrick, CW Reimer; 1966
• Bacillariophyceae, Teil 3. Centrales, Fragilariaceae, Eunotiaceae, Achnanthaceae. K Krammer, H Lange-Bertalot, Shsswasserflora von Mitteleuropa. VEB Gustav Fisher …, 1991
• Amphorotia nov. gen., a new genus in the family Eunotiaceae (Bacillariophyceae), based on Eunotia clevei Grunow in Cleve et Grunow. DM Williams, G Reid, 2006