Acridoxena is a monotypic genus of bush crickets. It is now placed in the tribe Acridoxenini of the subfamily Mecopodinae; previously it was in the subfamily Acridoxeninae. It has one species, Acridox
In biology, for ranks such as genus or family, a monotypic taxon is a taxonomic group that contains only one immediately subordinate extant taxon. In the case of genera, the term "unispecific" or "mon
The cuckoo-roller is the sole member of its genus, family, and order.
In the order Amborellales, there is only one family, Amborellaceae, and there is only one genus, Amborella, and in this genus there is only one species, Amborella trichopoda.
Beluga "kissing" a human trainer; both are monotypical in their genera.
The family Cephalotaceae has only one genus, Cephalotus, which contains only one species, Cephalotus follicularis, the Australian pitcher plant.