Photo 121194, (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/121194
Associated observations

Photos / Sounds

Observer

ferran

Date

March 20, 2021

Place

Spain (Google, OSM)

Description

Caloneis amphisbaena (Bory) Cleve
Valves amb perfil el·líptic amb les extremitats capitades.
Rafe recte, amb les terminacions proximals acabades en un nòdul, les terminacions distals girades en el mateix sentit.
Àrea longitudinal que s'expandeix ampliament, formant un àrea central extensa.
Estries radials que esdevenen paral·leles o divergents als extrems.
Dimensions: 65 x 23 µm
Estries (no puntuades): 16 en 10 µm.
L'aigua del riu al lloc de mostreig presenta un conductivitat de 890 µS/cm i un pH = 7.6.

Associated taxa
Sizes
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