Hypermastus acutus
Hypermastus auritae
Hypermastus boschorum
Hypermastus coxi
Hypermastus cylindricus
Hypermastus echinodisci
Hypermastus epiphanes
Hypermastus mareticola
Hypermastus minor
Hypermastus mucronatus
Hypermastus philippianus
Hypermastus placentae
Hypermastus pusillus
Hypermastus randolphi
Hypermastus sauliae
Hypermastus serratus
Hypermastus subula