Endemic genus. A recent publication has completely revised the genus which was limited to only one species .: Olivier MONTREUIL & Thomas THERY (2016): "A revision of the genus Paronthobium from New Caledonia (Coleoptera: Scarabaeidae: Scarabaeinae: Epilissini)", Annals of the Entomological Society of France (NS).

Insects of small size, coprophagous, living most often in the litter of the dense humid forests,