Diatoms in surface sediments from northeastern part of Osaka Bay, southwestern Japan

Abstract

One hundred fifteen diatom taxa in thirty surface sediment samples collected from Osaka Bay were identified and listed. They belong to the following fifty-six genera: Achnanthes (3 taxa), Achnanthidium (3), Actinocyclus (1), Actinoptychus (1), Amphora (3), Aulacoseira (3), Azpeitia (1), Chaetoceros (1), Cocconeis (4), Coscinodiscus (3), Ctenophora (1), Cyclostephanos (1), Cyclotella (5), Cymatotheca (1), Cymbella (3), Delphineis (1), Diadesmis (1), Diploneis (6), Epithemia (1), Fallacia (4), Fragilaria (2), Fragilarioforma (1), Gomphonema (7), Gomphoneis ( 1), Grammatophora (2), Hantzschia (1), Karayevia (1), Luticola (1), Melosira (1), Navicula (5), Neodelphineis (1), Neofragilaria (1), Nitzschia (7), Paralia (1), Placoneis (1), Planotidium (2), Pleurosigma (1), Podosira (1), Rhaphoneis (1), Reimeria(1), Rhoicosphenia (1), Rhopalodia (2), Sellaphora (2), Seminavis (3), Skeletonema (1), Staurosira (1), Staurosirella (2), Stephanodiscus (1), Surirella (3), Synedra (1), Tabularia (1), Thalassionema (1), Thalassiosira (6), Trachyneis (1), Trachysphenia (1), Tryblionella (2).