DELTIDIUM
\dɛltˈɪdi͡əm], \dɛltˈɪdiəm], \d_ɛ_l_t_ˈɪ_d_iə_m]\
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The triangular space under the beak of many brachiopod shells.
By Oddity Software
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The triangular space under the beak of many brachiopod shells.
By Noah Webster.
By Henderson, I. F.; Henderson, W. D.
