Images
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LM image scalebar = 10 µm = pixels not measured
Observations
| Observations: | Bart Van de Vijver |
|---|---|
| Length: | 50-60µm |
| Width: | 7,5-9µm |
| Striae: | 21-23 striae in 10µm |
Description:
Valves elliptical-lanceolate with convex margins and protracted, sometimes even capitate ends (L 50-60µm, W 7,5-9µm, 21-23 striae in 10µm). Axial area narrow, linear. Central area a relatively broad, rectangular fascia, slightly widening towards the valve margins. Raphe filiform, straight with indistinct central pores. Terminal fissures ?-shaped, clearly visible in LM. Transapical striae moderately radiate in the middle, strongly radiate towards the ends.
| Morphology: | Naviculoid |
|---|---|
| Distribution: |
Autecology:
Notes:
Only found in one sample: BW321, a small pool with pH 7,2, specific conductance 143µS/cm and nutrient-poor conditions (no phosphate and ammonium measured).Kerguelen (Bourrelly & Manguin 1954, Le Cohu & Maillard 1986), King George Island (Schmidt et al. 1990), South Orkney Islands (Oppenheim 1990, Oppenheim & Greenwood 1990), South Shetland Islands (Björck et al. 1993).
Other sites with Stauroneis gracilior
- Ile de la Possession (moist habitats), Crozet Archipelago
Original Type Description
| Author: | Ehrenberg |
|---|---|
| Length: | |
| Width: | |
| Striae: |
Original Description:
New combination
| Author: | Reichardt 1996 |
|---|
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).
