Hantzschia amphioxys

Taxon ID: 29
Author: Ehrenberg 1877   
Basionym: Eunotia amphioxys
Synonym:

 

Images

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LM image scalebar = 10 µm = 38 pixels      SEM image scalebar = 10 µm  

 

Observations

Observations: Sarah Spaulding and Rhea Esposito
Length: 27-61
Width: 7-10
Striae: 18-21.5 per 10 micrometers at the center; 19-23.5 per 10 micrometers at the ends

Description:

Valves linear-lanceolate, narrowing towards the produced, capitate endings that flex slightly upwards; dorsal margin parallel to slightly convex; ventral margin slightly concave.  Raphe eccentric, stretching along the valve margin and biarcuate (closer to the ventral margin centrally than near the poles); proximal raphe endings simple; distal raphe endings hooked towards the dorsal margin.  Striae more widely spaced at the center of the valve; striae slightly radiate in the center, becoming parallel to convergent towards the ends.  Fibulae (keel puncta) variable in size and spacing.

Morphology: Nitzschioid
Distribution: Widespread

Autecology:

 

Notes:

 

McMurdo Dry Valleys Waterbodies with Hantzschia amphioxys

  • Adams Stream
  • Aiken Creek
  • Blue Lake
  • Bohner Stream
  • Bowles Creek
  • Canada Stream
  • Clear Lake
  • Commonwealth Glacier
  • Commonwealth Stream
  • Crescent Stream
  • Delta Stream
  • Green Creek
  • Harnish Creek
  • Harnish Creek Tributary
  • Huey Creek
  • Hughes Glacier Pond
  • Lake Fryxell
  • Lawson Creek
  • Little Sharpe
  • Lost Seal Stream
  • Many Glaciers Pond
  • McKay Creek
  • McMurdo Hut Ridge
  • Miers Stream
  • Onyx River
  • Parera Pond
  • Picture Pond
  • Priscu Stream
  • Spaulding Pond
  • Upland Pond
  • Von Guerard Stream
  • Wales Stream
  • Wharton Creek
  • Wormherder Creek

Original Type Description

Author: Ehrenberg 1877
Length: 15-50
Width: 5-7
Striae: 20-29 in10 µm

Original Description:

 

New combination

Author: Grunow 1880

 

Citations

Index Nominum Algarum (INA):

  • Original
  • If an INA link is available, it will be shown above
  • The INA is a bibliographic reference "card file" for algal taxonomy, containing nearly 200,000 names of algae (in the broad sense).

Publications (by year):

  • Grunow 1880. Akad. Handl., ser. 4, 17(2):103 [citation 27(4)]

See full publication info assembled for this website