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6 results for “Aponileus”
FIGURE 6 in The Lower Ordovician (upper Floian) bathyurid trilobite Aponileus Hu, with species from Utah, Texas, and Greenland 3293
FIGURE 6. "Acidiphorus" n. sp., from Section J 40.0 m, Wah Wah Formation (upper Floian; Blackhillsian; "Pseudocybele nasuta Zone"), southern Confusion Range, Ibex area, Millard County, western Utah, USA. This species and other undescribed species from the "Pseudocybele nasuta Zone" are closely related to the younger Psephosthenaspis Whittington, 1953. It is illustrated to facilitate comparison and will be described in detail in a forthcoming work. See text for discussion. 1, 4. Cranidium, SUI 131853, dorsal and anterior views, x7.5. 2, 3, 6. Pygidium, SUI 131854, posterior, dorsal, and right lateral views, x6. 5. Right librigena, SUI 131855, external view, x5.
FIGURE 4 in The Lower Ordovician (upper Floian) bathyurid trilobite Aponileus Hu, with species from Utah, Texas, and Greenland 3293
FIGURE 4. Aponileus glaber (Poulsen, 1927), from the Nunatami Formation (upper Floian), gastropod limestone member (figs 1, 4, 7) and ostracod limestone member (figs 2, 3, 5, 6, 8, 9), Nunatami, Washington Land, northwestern Greenland. 1, 4, 7. Cranidium, MGUH 2391, dorsal, right lateral, and anterior views, x6 (original of Poulsen, 1927, pl. 20, fig. 11). 2, 5, 9. Cranidium, MGUH 2390, dorsal, anterior, and oblique views, x3 (original of Poulsen, 1927, pl. 20, fig. 10). 3, 6, 8. Pygidium, lectotype, MGUH 2406, dorsal, posterior, and left lateral views, x3 (original of Poulsen, 1927, pl. 20, fig. 27).
FIGURE 1 in The Lower Ordovician (upper Floian) bathyurid trilobite Aponileus Hu, with species from Utah, Texas, and Greenland 3293
FIGURE 1. Schematic diagram of stratigraphic distribution of species of Aponileus and the outgroup species Strigigenalis plicolabeona (Young) in Blackhillsian (upper Floian) sections of the Fillmore Formation in western Utah. Measurements are in metres. Meterages are not to scale. Zonation is that established by Adrain et al. (2009), with new informal subdivisions of the "Pseudocybele nasuta Zone" discussed in text.
FIGURE 2 in The Lower Ordovician (upper Floian) bathyurid trilobite Aponileus Hu, with species from Utah, Texas, and Greenland 3293
FIGURE 2. Illustrations of states for Character 2, the presence or absence of a fine transverse ridge across the bottom of SO. 1–6, State 0, ridge present. 1. Outgroup state, Acidiphorus teretus (Young, 1973), cranidium SUI 131151, Section H 191.7 m, Fillmore Formation (upper Floian; Blackhillsian; Strigigenalis plicolabeona Zone), western Utah, x18. 2. Outgroup state, Strigigenalis plicolabeona (Young, 1973), cranidium SUI 124830, Section H 191.7 m, Fillmore Formation (upper Floian; Blackhillsian; Strigigenalis plicolabeona Zone), western Utah, x7.5. 3. Outgroup state, Acidiphorus brighti (Hintze, 1953), cranidium SUI 131152, Section H 290.4 m, Wah Wah Formation (upper Floian; Blackhillsian; "Pseudocybele nasuta Zone", Assemblage 1), western Utah, x15. 4. Aponileus belkaae n. sp., cranidium SUI 129264, Section H 294.2 m, Fillmore Formation (upper Floian; Blackhillsian; "Pseudocybele nasuta Zone"), western Utah, x22.5. 5. Aponileus strelkaae n. sp., holotype cranidium SUI 129298, Section J 28.1 m, Wah Wah Formation (upper Floian; Blackhillsian; "Pseudocybele nasuta Zone"), western Utah, x15. 6. Aponileus laikaae n. sp., holotype cranidium SUI 129234, Section H 256–261T m, Fillmore Formation (upper Floian; Blackhillsian; Presbynileus ibexensis Zone), western Utah, x18. 7–12, State 1, ridge absent. 7, 10. Aponileus ugolekae n. sp., cranidia SUI 131127 and 131130, Section J 46.3 m, Wah Wah Formation (upper Floian; Blackhillsian; "Pseudocybele nasuta Zone"), western Utah, x13.5. 8. Aponileus? veterokae n. sp., cranidium SUI 129317, Section J 48.1 m, Wah Wah Formation (upper Floian; Blackhillsian; "Pseudocybele nasuta Zone"), western Utah, x22.5. 9. Aponileus aasei n. sp., dorsal exoskeleton BYU 19975, float high in Section H, Fillmore Formation (upper Floian; Blackhillsian; probably Pseudocybele paranasuta Zone), western Utah, x9. 11. Aponileus latus Hu, 1963, holotype cranidium USNM 143342, Padre Formation (upper Floian; Blackhillsian), western Texas, x4. 12. Aponileus glaber (Poulsen, 1927), cranidium MGUH 2391, Nunatami Formation (upper Floian), gastropod limestone member, northwestern Greenland, x9.
FIGURE 5 in The Lower Ordovician (upper Floian) bathyurid trilobite Aponileus Hu, with species from Utah, Texas, and Greenland 3293
FIGURE 5. Detail views of star-shaped tubercles and anastomosing line sculpture of Aponileus laikaae n. sp. 1. Medial part of glabella of holotype, SUI 129234 (see Pl. 3, figs 1, 4, 8, 10), x40. 2. Pleural region of thoracic segment, SUI 129246 (see Pl. 4, figs 10–13), x30. 3. Pygidial axis, SUI 129252 (see Pl. 5, figs 2, 3, 5, 7, 8), x40. 4. Librigenal field, SUI 129244 (see Pl. 4, fig. 8), x40.
FIGURE 3 in The Lower Ordovician (upper Floian) bathyurid trilobite Aponileus Hu, with species from Utah, Texas, and Greenland 3293
FIGURE 3. Single most parsimonious tree resulting from analysis of the matrix of Table 1. Length = 20; c.i. = 0.95; r.i. = 0.95. Open circles are characters containing homoplasy. Character optimizations are shown carried out under the ACCTRAN assumption. Upper values at nodes are Bremer support values. Lower values at nodes are bootstrapping GC scores.
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