It was so odd he put it in its own genus, and even gave it its own subfamily.
British Dictionary definitions for subfamily
subfamily
/ˈsʌbˌfæmɪlɪ/
noun (pl) -lies
1.
(biology) a taxonomic group that is a subdivision of a family
2.
any analogous subdivision, as of a family of languages
subfamily in Medicine
subfamily sub·fam·i·ly (sŭb'fām'ə-lē) n. A taxonomic category ranking between a family and a genus.
subfamily in Science
subfamily
(sŭb'fām'ə-lē) A subdivision of a family of organisms, containing one or more genera. The names of subfamilies in the animal kingdom typically end in -inae, as in Cerambycinae, a subfamily of the longhorn beetle family Cerambycidae.