FIG. 14 in Biostratigraphy and taxonomy of polymerid trilobites of the Manuels River Formation (Drumian, middle Cambrian), Newfoundland, Canada

FIG. 14. — Plutonides hicksii (Salter, 1866b): A, internal cast of a juvenile cranidium, smallest described specimen in this work with long preglabellar field (NFM F-3177 from 10.27 m); B, internal cast of a juvenile cranidium, deep glabellar furrows, ornamentation on fixigenae preserved (NFM F-3220 from 7.59 m); C, internal cast of a juvenile cranidium, deep glabellar furrows (NFM F-3026 from 9.63 m); D, internal cast of a juvenile cranidium, with occipital node and ornamentation on fixigenae preserved (NFM F-3176 from 10.27 m); E, internal cast of a juvenile cranidium, short preglabellar field, occipital node preserved (NFM F-3067 from 3.33 m); F, internal cast of a juvenile cranidium, short preglabellar field, glabellar furrows less deeply impressed than in junger specimens A-D, S2 furrow shallower axial to discontinuous (NFM F-3947 from 4.28 m). Scale bars: 1 mm.