Sekirov Dictionary

opisthoparian

adjective 2
noun 1
forms 1

adjective2

Of or relating to the order †Opisthoparia of trilobites.
Of a facial suture of a trilobite, terminating along the hind cephalic margin adaxial to the genal angle.

noun1

Any trilobite of the order †Opisthoparia.

forms

opisthoparians

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