Nummulus Berlese, 1884
Nummulus Berlese, 1884: 2 .
Type species Notaspis cassideus Hermann, 1804: 93, by original designation.
Notes. The genus name has been incorrectly spelled as Mummulus by some authors. The genus name Nummulus Berlese, 1884 is a junior homonym of Nummulus Wahlenberg, 1821 (Brachiopoda), and has apparently not been replaced. Nummulus Berlese, 1884 is an objective junior synonym of Cilliba von Heyden, 1826.