According to Thomas,
edentate teeth would be derived from the very earliest stage of mammalian dental evolution. Consequently, he
Kaynak: Paratheria (mammals)"Parvedentulina and
edentate Gulella of Madagascar (Gastropoda: Stylommatophora: Streptaxidae)". Archiv für Molluskenkunde 131(1/2): 67-
Kaynak: Gulella"Parvedentulina and
edentate Gulella of Madagascar (Gastropoda: Stylommatophora: Streptaxidae)". Archiv für Molluskenkunde 131(1/2): 67-
Kaynak: Parvedentulina"Parvedentulina and
edentate Gulella of Madagascar (Gastropoda: Stylommatophora: Streptaxidae)". Archiv für Molluskenkunde 131(1/2): 67-
Kaynak: StreptaxidaeThe petals and labellum are typically entire, but in a number of North American species they may be fringed or
edentate; in this group of
Kaynak: Platanthera