speciational


spe·ci·a·tion

S0614800 (spē′shē-ā′shən, -sē-)n. The formation of new biological species through the process of evolution.
[speci(es) + -ation.]
spe′ci·ate′ v.spe′ci·a′tion·al adj.

speciational

(ˌspiːʃɪˈeɪʃənəl) adj (Biology) relating to speciation