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11 results for “Urocordylidae”
Figure 11 in The exceptionally well-preserved Sauropleura scalaris (Nectridea: Urocordylidae) from the late Carboniferous of the Czech Republic: new information on ontogeny, lateral line and tail
Figure 11. Composite phylogenetic diagram showing the distribution and morphology of the lateral line system among major groups of early tetrapods. Topology of the tree is based on the results of Pardo et al. (2017) and Clack et al. (2019).
Figure 10 in The exceptionally well-preserved Sauropleura scalaris (Nectridea: Urocordylidae) from the late Carboniferous of the Czech Republic: new information on ontogeny, lateral line and tail
Figure 10. Comparison of ossification sequences of neurocranial elements and the relative timing of their first appearance during ontogenetic development in selected early tetrapods. Elements within the same box appear at the same time. Otic capsules are marked in bold. Ossification sequences are based on the data from Smithson (1982) and Godfrey (1989b) for Greererpeton Romer, 1969, Vallin and Laurin (2004) and Olori (2015) for Microbrachis Frič, 1875, Witzmann (2006) for Archegosaurus Goldfuss, 1847, and Schoch and Witzmann (2009) for Sclerocephalus Goldfuss, 1847.
Figure 9 in The exceptionally well-preserved Sauropleura scalaris (Nectridea: Urocordylidae) from the late Carboniferous of the Czech Republic: new information on ontogeny, lateral line and tail
Figure 9. Sauropleura scalaris (Frič, 1875), simplified reconstruction of the posterior region of the skull in dorsal view in the three individuals of different sizes (A–C), showing a varying degree of development of squamosal flanges (dark grey) and caudolateral cheek extensions. The skull reconstructions are based on specimens ÚGV PAL00158 (A), NMP M391 (B) and ZP M122 (C).
Figure 8 in The exceptionally well-preserved Sauropleura scalaris (Nectridea: Urocordylidae) from the late Carboniferous of the Czech Republic: new information on ontogeny, lateral line and tail
Figure 8. Sauropleura scalaris (Frič, 1875), reconstruction of the skull and mandible based on the specimen ÚGV PAL00158. A, skull from dorsal view. B, skull and mandible in lateral view. Scale bar: 3 mm.
Figure 7 in The exceptionally well-preserved Sauropleura scalaris (Nectridea: Urocordylidae) from the late Carboniferous of the Czech Republic: new information on ontogeny, lateral line and tail
Figure 7. Sauropleura scalaris (Frič, 1875), ÚGV PAL00158, micro-computed tomography of the ribs and right clavicle. A, B, anterior presacral rib in anterior (A) and posterior (B) view. C, D, mid-trunk presacral rib in anterior (C) and posterior (D) view. E, F, posterior presacral rib in anterior (E) and posterior (F) view. G, H, right clavicle in medial view (G) and the same clavicle in medial view, with outlines of the imprint of the lateral surface in dark grey (H). Scale bars: 1 mm.
Figure 6 in The exceptionally well-preserved Sauropleura scalaris (Nectridea: Urocordylidae) from the late Carboniferous of the Czech Republic: new information on ontogeny, lateral line and tail
Figure 6. Sauropleura scalaris Frič, 1875, ÚGV PAL00158, micro-computed tomography of the tail skeleton. A, caudal vertebrae 1–18 in right lateral view. B, detail of caudal vertebrae 9–14 in right lateral view. C, reconstruction of the anterior caudal vertebrae in articulation in less lateral view. D, caudal vertebrae 26–56 in right lateral view. Dashed line marks the broken bone. Scale bar: 4 mm in A, D; and 1 mm in B, C.
Figure 2 in The exceptionally well-preserved Sauropleura scalaris (Nectridea: Urocordylidae) from the late Carboniferous of the Czech Republic: new information on ontogeny, lateral line and tail
Figure 2. Sauropleura scalaris (Frič, 1875), ÚGV PAL00158, micro-computed tomography of the skull and partial right mandible. A, skull and mandible in dorsolateral view. B, the same skull and mandible in dorsolateral view in grey colours. Dashed line marks the broken bone. Scale bar: 3 mm.
Figure 1 in The exceptionally well-preserved Sauropleura scalaris (Nectridea: Urocordylidae) from the late Carboniferous of the Czech Republic: new information on ontogeny, lateral line and tail
Figure 1. Sauropleura scalaris (Frič, 1875), ÚGV PAL00158. A, the entire specimen as preserved. B, skull and right mandible in ventrolateral view. C, caudal vertebrae 4–18 in less lateral view. D, caudal vertebrae 26–36 in less lateral view. E, caudal vertebrae 37–50 in less lateral view. F, right clavicle in medial view. Scale bars: 20 mm in A; 3 mm in B–E; and 2 mm in F.
Figure 3 in The exceptionally well-preserved Sauropleura scalaris (Nectridea: Urocordylidae) from the late Carboniferous of the Czech Republic: new information on ontogeny, lateral line and tail
Figure 3. Sauropleura scalaris (Frič, 1875), ÚGV PAL00158, micro-computed tomography of the skull and partial right mandible. A, skull and mandible in ventrolateral view. B, the same skull and mandible in grey colours, with outlines of the bone imprints in dark grey. Dashed line marks the broken bone. Scale bar: 3 mm.
Figure 5. A–G in The exceptionally well-preserved Sauropleura scalaris (Nectridea: Urocordylidae) from the late Carboniferous of the Czech Republic: new information on ontogeny, lateral line and tail
Figure 5. A–G, Sauropleura scalaris (Frič, 1875), ÚGV PAL00158, dentary in labial view, showing the pits and grooves of the lateral line system. A, imprint of the labial surface of the dentary, showing the entire lateral line system. B–D, close-up images of the lateral line pits and grooves. E–G, electron microscope images of the three anterior-most pits in the dentary. H, I, specimens referred to S. scalaris, showing the lateral line system on the imprint of the labial surface of the dentary. H, NMP M860. I, NMP M394. Arrowheads mark the distinctive morphology of the lateral line system on the dentary: blue colour corresponds to round-ovate pits in the anterior portion of the bone, yellow colour represents slightly elongated groove in the dentary middle part, and red colour corresponds to elongated groove in the posterior portion of the dentary. Scale bar: 1 mm in A, H, I; 250 µm in B–D; and 50 µm in E–G.
Figure 4 in The exceptionally well-preserved Sauropleura scalaris (Nectridea: Urocordylidae) from the late Carboniferous of the Czech Republic: new information on ontogeny, lateral line and tail
Figure 4. Sauropleura scalaris (Frič, 1875), ÚGV PAL00158, detail of the skull table in ventrolateral view, showing the course of orbitotemporal and capsular ridges on the frontal, parietal and tabular. Scale bar: 2 mm.
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