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Composita trinuclea
Taxonomy
Terebratula trinucleus was named by Hall (1856).
It was recombined as Athyris trinuclea by Whitfield (1882); it was recombined as Seminula trinuclea by Hall and Clarke (1893); it was recombined as Composita trinuclea by Langenheim et al. (1985).
It was recombined as Athyris trinuclea by Whitfield (1882); it was recombined as Seminula trinuclea by Hall and Clarke (1893); it was recombined as Composita trinuclea by Langenheim et al. (1985).
Sister species lacking formal opinion data