TRINUCLEUS
Source: 567
‖Tri‐nu″cle‐us (?), n. [[Pref. tri- + nucleus.]] (Paleon.) A genus of Lower Silurian trilobites in which the glabella and cheeks form three rounded elevations on the head.
Source: 567
‖Tri‐nu″cle‐us (?), n. [[Pref. tri- + nucleus.]] (Paleon.) A genus of Lower Silurian trilobites in which the glabella and cheeks form three rounded elevations on the head.