Diatoms of North AmericaDiatoms of North America
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Guide to Amphora pediculus

(Kütz.) Grunow in Schmidt 1875

Amphora Pediculus Guide
Credit: Josh Stepanek
  1. Raphe straight
  2. Distinctly punctate dorsal striae
  3. Straight to slightly concave ventral margin
  4. Small size

Valves moderately dorsiventral, semi-elliptical to semi-circular. Ventral margin straight to slightly concave. Raphe straight, with proximal raphe ends straight. Dorsal and ventral fascia distinct and extending to valve margins. Dorsal striae distinctly punctate, ventral striae composed of a single row of areolae.