Melosira sp ?

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Good evening I could tell if someone is diatom Melosira sp?
No good photos sorry.

Thank you, Francisco.

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Good morning, in search of the diatom genus photo Cyclotella meneghiniana  I found and I think I've now acetated.
Comparative picture.
Regards, Francisco.

http://cfb.unh.edu/phycokey/Choices/Bacillariophyceae/Centric/Centric_Unicells/CYCLOTELLA/Cyclotella_Image_page.html

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I've been reviewing the photos and have found new evidence Cyclonella.
Upload photos.
Regards, Francisco.

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Buenos dias,subo la pobre Cyclotella aplastada por e vidrio.



Dos fotos del cofre de silicio.





Un saludo, Francisco.