Fascia

Epitheca

 

Fascicle

A hyaline area of thickened silica extending from the central area of some pennate diatoms. A transverse fascia is formed by secondary deposition of silica into depressions on the valve. Examples of genera having a transverse fascia include Luticola and Staurophora. Plural form is facsiae.

See also stauros for a similar structure.


Citations

Cox, E.J. (2012). Ontogeny, homology, and terminology - wall morphogenesis as an aid to character recognition and character state definition for pennate diatom systematics . J. Phycol. 48: 1–31. 10.1111/j.1529-8817.2011.01081.x