Photo 121097, (c) Ferran Jimenez Cortadelles, some rights reserved (CC BY-NC)

Attribution © Ferran Jimenez Cortadelles
some rights reserved
Uploaded by ferran ferran
Source MINKA
Original https://minka-sdg.org/photos/121097
Associated observations

Photos / Sounds

Observer

ferran

Date

December 28, 2016

Place

Spain (Google, OSM)

Description

Eucocconeis flexella (Kütz.) Meister
Sin. Achnanthes flexella Kütz.

Cèl·lules de forma oval i extremitats arrodonides, la superfície valvar és corbada, amb concavitat a la hipovalva (foto 3).
Area axial estreta a la hipovalva, rafe oblic amb els extrems distals fortament inclinats en sentits oposats. L’area central es reduïda, de forma arrodonida. Les estries són radiants, en nombre de 22 en 10 m, al centre (foto 1).
L’epivalva presenta un pseudorafe estret, igualment inclinat, amb un area central amplia. Les estries són poc radiants i en nombre de 24-25 en 10 µm (foto 2).
Les dimensions son de 30 x 13 µm.

Trobada a una mostra del periliton de un torrent de muntanya, al Solsonès, a 1217 msm i l’aigua amb un pH = 6.9 i conductivitat de 425 µS/cm.

Associated taxa
Sizes
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