Actinocyclus Ehrenberg 1837 (diatom)

Bacillariophyceae - Hemidiscaceae

Full reference: C. G. Ehrenberg. 1837. Nachricht des Hrn Agassiz in Neuchatel über den ebenfalls aus mikroskopichen Kiesel-Organismen gebildeten Polirschiefer von Oran in Afrika vor. Bericht über die zur Bekanntmachung geeigneten Verhandlungen der Königlich-Preussischen Akademie der Wissenschaften zu Berlin 59-61

Parent taxon: Hemidiscaceae according to G.R. Hasle and E.E. Syvertsen 1996

See also Abbott and Ernissee 1983, Andrews 1976 and Lakhanpal et al. 1976

Sister taxa: Araniscus, Azpeitia, Charcotiella, Hemidiscus, Roperia

Subtaxa: Actinocyclus actinochilus Actinocyclus ehrenbergii Actinocyclus ellipticus Actinocyclus ingens Actinocyclus octonarius Actinocyclus tenellus

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Ecology: "photoautotroph"

Distribution:

• Pliocene of Japan (2 collections)

• Miocene of Chile (1), Mexico (1), United States (3: Maryland, North Carolina, Virginia)

• Neogene of India (1)

Total: 8 collections including 20 occurrences

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