type specimen
either, in taxonomy: one of several possible forms of a type, or, in zoology: a specimen belonging to a type series
en-US/ˈtaɪp ˈspɛsəmən/
en-GB/ˈtaɪp ˈspɛsɪmɪn/
either, in taxonomy: one of several possible forms of a type, or, in zoology: a specimen belonging to a type series