I thought better translated into English, The question is Melosira?
(https://www.mikroskopie-forum.de/pictures003/107643_33472284.jpg) (http://imageshack.us/photo/my-images/38/melosiragranulatadiatom.jpg/)
A greeting.
Hi, Francisco.
It looks like Melosira varians.
Greetings
Holger
Hello Holger, doubt is among M.varians and M. granulata.
A greeting.
Hi, Francisco.
Its M. varians. M. granulata has longer cells.
Greetings
Holger
Which of the two has more cells.?
greetings.