superfamilies

/S UW1 P ER0 F AE0 M AH0 L IY0 Z/
noun
  1. 1

    A taxonomic category above family and below order (and its subdivisions).

  2. 2

    A large group of related proteins or other molecules.

Source: https://en.wiktionary.org/wiki/superfamilies, https://en.wiktionary.org/wiki/superfamily