Sovereign 1958 Category: Nitzschioid
BASIONYM: Nitzschia fonticoloides Sovereign 1958
Contributor: Pat Kociolek - February 2011
Length Range: 9-16 µm
Width Range: 3-4 µm
Striae in 10 µm: 33-35
Valves are lanceolate with apices subcapitate to produced. The raphe and keel are strongly excentric. There is a large central nodule present. Fibulae are small about 13 in 10 µm. Striae are indistinct, not punctate.
Distribution: Known only from Oregon
Basionym: Nitzschia fonticoloides
Author: Sovereign 1958
Length Range: µm
Striae in 10 µm:
Sovereign, H.E. (1958). The diatoms of Crater Lake, Oregon. Transactions of the American Microscopical Society 77(2):96-134.