It is classified in the botanical family Elaeocarpaceae, now known to encompass the family Tremandraceae, which the genus originally belonged to.

Foot-and-mouth disease is a highly contagious infection caused by an aphthovirus, and is classified in the same family as poliovirus.

Pareiasaurs are a group of anapsid reptiles classified in the family Pareiasauridae and the larger clade Pareiasauria.

It is traditionally classified in the family of 'Scrophulariaceae'.

Some of the agriculturally-important pest species are now classified in the family Triozidae.

Previously, several species of Asian box turtles were classified in the family.

It is variously classified in the family Saxifragaceae or its own family Penthoraceae.

It was formerly classified in the family Anthericaceae or earlier in the Liliaceae.

Pseudonigrita is a genus of bird classified in the family Passeridae, or sometimes the family Ploceidae.

The Itawis language is classified as a Malayo-Polynesian language, in the super family of languages called Austronesian.