Otsuka

The taxon authority O(h)tsuka may refer to:

Hiroyuki Ōtsuka, Japanese palaeontologist
Kazuhisa Otsuka (fl. 1985), lepidopterist
Koichi Otsuka (born 1951; Otsuka), botanist
Susumu Ohtsuka, Japanese copepodologist and ostracodologist.
Yanosuke Ōtsuka, Japanese palaeontologist
Yasushi Otsuka, Japanese entomologist
Yuichiro Otsuka (2013; Y.Otsuka), mycologist

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