The Collaborative International Dictionary
Physiophyly
Physiophyly \Phys`i*oph"y*ly\, n. [Gr. fy`sis nature + ? a
clan.] (Biol.)
The tribal history of the functions, or the history of the
paleontological development of vital activities, -- being a
branch of phylogeny. See Morphophyly.
--Haeckel.