Diatomee / Diatom (fossile) - Thalassiosira sp. – 400x by Picturepest (via http://flic.kr/p/nL2ZXm )
Diatomee / Diatom (fossile) - Thalassiosira sp. - 400x by Picturepest (via http://flic.kr/p/nL2ZXm )
Diatomee / Diatom (fossile) - Thalassiosira sp. - 400x by Picturepest (via http://flic.kr/p/nL2ZXm )