subtribe

sub- +‎ tribe

subtribe (plural subtribes)

1. A tribe making up part of a larger tribe.
2. (taxonomy) A taxonomic category ranking below tribe.
   • 1993, Carl L. Withner, The Cattleyas and Their Relatives: A Book in Six Parts:

     Brieger and his associates first divide the subtribe Epidendrinae […] into what could be called series, distinguishing four such series in the subtribe.

• (taxonomy): subtribus

• “subtribe”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

• bierstub, stubbier