SELACHOIDEI

\sˈɛlɐt͡ʃˌɔ͡ɪde͡ɪ], \sˈɛlɐt‍ʃˌɔ‍ɪde‍ɪ], \s_ˈɛ_l_ɐ_tʃ_ˌɔɪ_d_eɪ]\
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2010 - New Age Dictionary Database
By Oddity Software
 
1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.