Acontheus inarmatus Hutchinson 1962 ...

• Main Authors: Unger, Tanja, Hildenbrand, Anne, Stinnesbeck, Wolfgang, Austermann, Gregor
• Format: Text
• Language: unknown
• Published: Zenodo 2022
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Trilobita; Corynexochida; Corynexochidae; Acontheus; Acontheus inarmatus; Newfoundland
• Online Access: https://dx.doi.org/10.5281/zenodo.7477313; https://zenodo.org/doi/10.5281/zenodo.7477313

Acontheus inarmatus Hutchinson, 1962 (Fig. 17) Acontheus inarmatus Hutchinson, 1962: 109, pl. 16, figs 8a, b, 9. Acontheus inarmatus minutus Sdzuy, 2000: 307, pl. 3, figs 1-5 (partim). — Geyer 2010: unnamed plate p. 84, fig. 7. — Heuse et al. 2010: fig. 4.16. HOLOTYPE. — Specimen no. GSC No. 12053, Geological Survey of Canada, Ottawa, Canada, by original designation, from the Manuels River Formation on the north shore of Highland Cove, Trinity Bay, Newfoundland, Canada. DIAGNOSIS. — Glabella expands anteriorly up to three times wider than posterior part; faint glabellar furrows; rounded, inflated fixigenae; rounded genal angle; punctuate exoskeleton. MATERIAL EXAMINED. — 14 cranidia of Acontheus inarmatus (for NFM numbers seeAppendix 1). All specimens range between 15.63 and 16.67 m (Fig. 2) of the Manuels River Formation, type locality, Conception Bay South, Newfoundland, Canada. OCCURRENCE. — Acontheus inarmatus is a rare middle Cambrian taxon, reported from southeastern Canada, eastern Newfoundland, in ... : Published as part of Unger, Tanja, Hildenbrand, Anne, Stinnesbeck, Wolfgang & Austermann, Gregor, 2022, Biostratigraphy and taxonomy of polymerid trilobites of the Manuels River Formation (Drumian, middle Cambrian), Newfoundland, Canada, pp. 1051-1087 in Geodiversitas 44 (33) on page 1076, DOI: 10.5252/geodiversitas2022v44a33, http://zenodo.org/record/7477657 ...