Valve linear or with slightly convex margins; apices rostrate-capitate. Axial area about one-fourth the breadth of the valve; widening toward the central area which is a broad, transverse fascia. Raphe filamentous; terminal fissures and terminal nodules distinct. Striae raditate at the center of the valve, convergent toward the ends(Patrick and Reimer 1966).
Type Locality
...aus einem Weiherabfluss bei Holzheim (Oberpfalz bei Klardorf) [Regensburg, Germany](Patrick and Reimer 1966).
Synonyms
Pinnulara amphicephala A. Mayer, Dekschr. Bayer. Bot. Ges. Regensburg, 13(N.F. 7):136, pl. 2, figs. 15-16. 1917(Patrick and Reimer 1966).
Ecology
Seems to prefer cool water of low mineral content. Found in a wide range of pH enviroments, in various habitats(Patrick and Reimer 1966; Beaver 1981) .