Stephanodiscus sp.
(fussil diatom, Okayama Pref.)
Thalassiosira sp.
(Tokyo Bay)
Coscinodiscus sp.
(Tokyo Bay)
Coscinodiscus sp.
(Tokyo Bay)
Coscinodiscus sp.
(Tokyo Bay)
Coscinodiscus sp.
(Tokyo Bay)
Coscinodiscus sp.
(Tokyo Bay)
Coscinodiscus sp.
(Tokyo Bay)
Coscinodiscus sp.
(Tokyo Bay)
Coscinodiscus sp.
(Tokyo Bay)
Craticula sp.
(Pond, Fukushima Pref. Specimen by T. Saito)
Craticula sp.
(Pond, Tokyo)
Craticula sp.
(Pond, Tokyo)
Craticula sp.
(Pond, Tokyo)
Craticula sp.
(Pond, Tokyo)
Cymbella sp.
(Pond, Tokyo)
Cymbella sp.
(Pond, Tokyo)
Cymbella sp.
(Pond, Tokyo)
Diatoma vulgaris
(Kobotoke riv., Tokyo)
Diatoma vulgaris
(Kobotoke riv., Tokyo)
Frustulia vulgaris
(Kobotoke riv., Tokyo)
Gomphonema sp.
(Pond, Tokyo)
Gomphonema sp.
(Pond, Tokyo)
Gyrosigma sp.
(Pond, Tokyo)
Gyrosigma sp.
(Pond, Tokyo)
Plagiotropis lepidoptera
(Pond, Tokyo)
Navicula sp.
(Pond, Tokyo)
Navicula americana
(Pond, Tokyo)
Nitzschia linearis
(Kobotoke riv., Tokyo)
Nitzschia sp.
(Pond, Tokyo)
Neidium sp.
(Pond, Tokyo)
Pinnularia sp.
(Pond, Tokyo)
Pinnularia sp.
(Pond, Tokyo)
Stauroneis sp.
(Pond, Tokyo)
Stauroneis sp.
(Pond, Tokyo)
Stauroneis sp.
(Pond, Tokyo)
Cymatopleura solea
(Pond, Tokyo)
Cymatopleura solea
(Pond, Tokyo)
Surirella sp.
(Pond, Tokyo)
Surirella sp.
(Pond, Tokyo)
Surirella sp.
(Pond, Tokyo)
Synedra ulna
(Kobotoke riv.,Tokyo)
Diatoms in Kobotoke river (Hachioji, Tokyo)