Neidium sacoense Reimer
Length:40.5

 Width:16

Striae:17

 Puncta:































Collection 1426

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Authority information

Reimer in Patrick and Reimer 1966.

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This image was taken utilizing DIC for the specimen above.


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The valve of this taxon is linear and narrows. It has rounded ends and a straight axial area that narrows at the ends and center. The raphe is straight and narrows and the ends. The proximal ends curve in oppposite directions and the distal ends are bifurcate. It has a small circular area anda marginal longitudinal band. The longitudinal band is wide and has coarse puncta. The striae are parallel and convergent at the ends (Patrick and Reimer 1966).


  • Type Locality
    New England States and Middle Atlantic States (Patrick and Reimer 1966).


  • Ecology
    This taxon is found in lakes and ponds ( Patrick and Reimer 1966) .


    Size ranges and morphology

  • Length is 60 to 80 micrometers (Patrick and Reimer 1966).
  • Width is 19 to 25 micrometers (Patrick and Reimer 1966).
  • Striae are 15 to 16 in 10 micrometers (Patrick and Reimer 1966).
  • Puncta are around 18 in 10 micrometers (Patrick and Reimer 1966).