Eunotia vanheurckii v. intermedia (Krasske ex Hust. in Rabh.)




Collection 1788

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Eunotia vanheurckii var. intermedia (Krasse ex Hust. in Rabh.,) Patr., Not. Nat. Acad. Nat. Sci. Philadelphia, No. 312, p. 14, fig. 13. 1958(Patrick and Reimer 1966).

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The ventral margin is straight, with the wall thickened in areas halfway between the center of the valve and the ends. The dorsal margin is convex. The dns are not disctinctly formed, but confluent with the rest of the valve. The terminal nodules are distinct, near the ends of the valve. The striae are parallel(Patrick and Reimer 1966).

  • Type Locality
  • Synonyms
    Eunotia pectinalis v. minor f. intermediaKrasse ex Hust. in Rabh., Kryptog.-Fl. Deutschland, vol. 7(2), no.2, p. 298, figs. 763 l-o. 1932(Patrick and Reimer 1966).
  • Ecology
    This taxon prefers characteristically oligotrophic water(Patrick and Reimer 1966).

    Size ranges and morphology

  • Length is 15-40 micrometers (Patrick and Reimer 1966).
  • Width is 4-5 micrometers (Patrick and Reimer 1966).
  • Striae are 14-16 in number (Patrick and Reimer 1966).