FIGURE 5 in Middle Ordovician (Darriwilian) cheirurid trilobites from the Table Cove Formation, western Newfoundland, Canada

• Main Authors: Adrain, Jonathan M., Pérez-Peris, Francesc
• Format: Other/Unknown Material
• Language: unknown
• Published: 2021
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Trilobita; Phacopida; Cheiruridae; Canada; Lower Head; Round Hill; Shallow Bay; Table Cove; Newfoundland
• Online Access: https://zenodo.org/record/5531895; https://doi.org/10.5281/zenodo.5531895

FIGURE 5. Hypostomes of Early and Middle Ordovician species assigned herein to Acanthoparyphinae. 1. Cydonocephalus griphus Whittington, 1963, ventral view of hypostome in articulated cephalon, holotype specimen GSC 16272, x15, Shallow Bay Formation (lower Darriwilian), Lower Head, western Newfoundland, Canada. 2. Kawina arnoldi Whittington, 1963, ventral view of hypostome in articulated cephalon, holotype specimen GSC 162692, x7.5, Shallow Bay Formation (lower Darriwilian), Lower Head, western Newfoundland, Canada. 3. Forteyops sexapugius (Ross, 1951), hypostome, SUI 148410, ventral view, x10, Garden City Formation (Floian; Blackhillsian; "Pseudocybele nasuta Zone"), Round Hill, near Mantua, Box Elder County, Utah, USA. 4. Kawina n. sp., hypostome, SUI 148411, ventral view, x12, Kanosh Formation (Dapingian), Section K 1.5T m, southern Confusion Range, Millard County, Utah, USA. 5. Kawina? webbi Hintze, 1953, hypostome, SUI 147662, ventral view, Wah Wah Formation (Floian; Blackhillsian; "Pseudocybele nasuta Zone"), Section J 40.0 m, southern Confusion Range, Millard County, Utah, USA. 6. Acanthoparyphinae n. gen. n. sp., hypostome, SUI 148412, ventral view, x12, Yellow Hill Limestone (Floian; Blackhillsian; "Pseudocybele nasuta Zone"), Yellow Hill, near Pioche, Lincoln County, Nevada, USA. Published as part of Adrain, Jonathan M. & Pérez-Peris, Francesc, 2021, Middle Ordovician (Darriwilian) cheirurid trilobites from the Table Cove Formation, western Newfoundland, Canada, pp. 1-73 in Zootaxa 5041 (1) on page 21, DOI:10.11646/zootaxa.5041.1.1, http://zenodo.org/record/5531880