WordReference Random House Unabridged Dictionary of American English © 2026
sub•phy•lum
(sub fī′ləm),USA pronunciation n., pl. -la (-lə).USA pronunciation [Biol.]
sub•phy′lar, adj.
- Biologya category of related classes within a phylum.
- Neo-Latin; see sub-, phylum
- 1930–35
'subphylum' also found in these entries (note: many are not synonyms or translations):
Entoprocta
- Vertebrata
- ascidian
- cephalochordate
- entoproct
- lancelet
- mandibulate
- rhizopod
- superclass
- tongue worm
- tunicate
- vertebrate