Planothidium marginostriatum

Taxon ID: 315
Author: Van de Vijver & Beyens    
Basionym:
Synonym:

 

Images

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LM image scalebar = 10 µm =     

 

Observations

Observations: Bart Van de Vijver
Length: 8-10µm
Width: 3,5¬5,5µm
Striae: 15-18 striae in 10µm on the RV, 12-16 striae in 10µm on the ARV

Description:

Valves broadly elliptical with rounded ends. (L 8-10µm, W 3,5¬5,5µm, 15 18 striae in 10µm on the RV, 12-16 striae in 10µm on the ARV). ARV : axial area elliptic-lanceolate, fairly large. Transapical striae parallel in the middle, radiate towards the poles, consisting of 1 row of areolae. A very short second row may be present. RV : axial area linear, small. Central area small, rectangular, bordered by short striae. Transapical striae parallel in the middle, radiate towards the poles. Raphe filiform with expanded central endings and very short, slightly deflected terminal fissures.

Morphology: Monoraphid
Distribution:

Autecology:

 

Notes:

Crique de Noël, Ile de la Possession, Crozet Archipelago, Sample BA160 (coll. date. 28/01/2002).Found once in a small fissure in cliffs bordering the coastline.So far only recorded on Ile de la Possession.

 

 

Other sites with Planothidium marginostriatum

  • Ile de la Possession (moist habitats), Crozet Archipelago

Original Type Description

Author: Van de Vijver & Beyens
Length: 8-10µm
Width: 3,5¬5,5µm
Striae: 15-18 striae in 10µm on the RV, 12-16 striae in 10µm on the ARV

Original Description:

Valves broadly elliptical with rounded ends. (L 8-10µm, W 3,5¬5,5µm, 15 18 striae in 10µm on the RV, 12-16 striae in 10µm on the ARV). ARV : axial area elliptic-lanceolate, fairly large. Transapical striae parallel in the middle, radiate towards the poles, consisting of 1 row of areolae. A very short second row may be present. RV : axial area linear, small. Central area small, rectangular, bordered by short striae. Transapical striae parallel in the middle, radiate towards the poles. Raphe filiform with expanded central endings and very short, slightly deflected terminal fissures.

 

New combination

Author:

 

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).

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