FIG. 4 in Biostratigraphy and taxonomy of polymerid trilobites of the Manuels River Formation (Drumian, middle Cambrian), Newfoundland, Canada ...

• Main Authors: Unger, Tanja, Hildenbrand, Anne, Stinnesbeck, Wolfgang, Austermann, Gregor
• Format: Still Image
• Language: unknown
• Published: Zenodo 2022
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Trilobita; Ptychopariida; Agraulidae; Agraulos; Newfoundland
• Online Access: https://dx.doi.org/10.5281/zenodo.7477664; https://zenodo.org/doi/10.5281/zenodo.7477664

FIG. 4. — Agraulos ceticephalus (Barrande, 1846): A, internal cast of a cranidium attached to the thorax with preserved exoskeleton (NFM F-3476 from 5.97 m); B, internal cast of a cranidium attached to the thorax, partly covered with sediment, eye ridges and glabellar furrows slightly visible (NFM F-3951 from 7.10 m); C, internal cast of a cranidium attached to the thorax with preserved exoskeleton, eye ridges present (NFM F-3957 from 3.30 m); D, internal cast of a cephalon attached to the thorax, librigena attached, eye ridges present (NFM F-3621 from 9.08 m); E, mould of a cranidium attached to the thorax, spines on axial rings present, coarse ornamentation on thorax visible (NFM F-3476 from 5.98 m); F, mould of a cranidium attached to the thorax, occipital spine preserved (sedimentary filling laying in glabellar mould), coarse ornamentation on thorax visible (NFM F-3946 from 4.27 m); G, internal cast of a cranidium attached to the thorax, projection of axial spine preserved (NFM F-3831 from 7.43 m); H, ... : 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 1057, DOI: 10.5252/geodiversitas2022v44a33, http://zenodo.org/record/7477657 ...