Hantzschia amphioxys (Ehr.) Grunow in Cleve and Grunow 1880
Length:37

 Width:6.5

Keelpunctae:7

 Striae:25








































Collection 1402

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Authority information

(Ehr.) Grunow in: Cleve and Grunow, K. Svenska Vet.-Akad. Handl., Ny Foeljd, 17(2): 103. 1880 (Stoermer and Yang 1969).

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  • This taxon is usually found among the periphyton (Lowe 1974).


  • Synonyms (Stoermer and Yang 1969)
    Eunotia amphioxys Ehrenberg, Abh. Akad. Wiss. Berlin, 1841: 413, pl. 1(1), fig. 26. 1843.
  • Ecology
  • Water temperature tolerance level of this taxon ranges from 0 to 30 degrees C (Lowe 1974).

    Size ranges and morphology

  • Length is 20 to 210 (300) micrometers (Krammer and Lange-Bertalot 1988).
  • Width is 5 to 15 (25) micrometers (Krammer and Lange-Bertalot 1988).
  • Keelpunctae are 4 to 10 in 10 micrometers (Krammer and Lange-Bertalot 1988).
  • Striae are 11 to 28 in 10 micrometers (Krammer and Lange-Bertalot 1988).
  • This taxon has radiate central costae where branching commonly occurs (Mann 1977). In addition, H. amphioxys has 2-6 fused sub-raphe costae and an offset central internal raphe (Mann 1977)