Correct spelling for the English word "beatricea" is [bi͡ətɹˈa͡ɪsi͡ə], [biətɹˈaɪsiə], [b_iə_t_ɹ_ˈaɪ_s_iə] (IPA phonetic alphabet).
A remarkable fossil occurring in the middle silurians of Canada.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.