Hemiplacophora semilunifera
From dinoflaj2
*semilunifera Cookson and Eisenack, 1965a, p.126, pl.14, figs.4-9,16. Holotype: Cookson and Eisenack, 1965a, pl.14, figs.4-5; Fauconnier and Masure, 2004, pl.29, figs.6-9. Age: Late Eocene.
Parent: Hemiplacophora