546 research outputs found
Figure 7 in The evolution of the scalation pattern in temnospondyl amphibians
No full textFigure 7. Scalation pattern in temnospondyls mapped on an existing cladogram based on the results of Witzmann & Schoch (2006) and Schoch & Milner (2000). Characters: 1, presence of gastral scales arranged in a chevron pattern; 1a, rhombic gastral scales; 1b, spindle-shaped gastral scales; 1c, ovoid gastral scales; 2, dorsal scales overlapping on the trunk; 3, dorsal scales not overlapping on the trunk; 4, complete reduction of scales. *Taxa in which no dorsal scales are known; **taxa in which no gastral scales are known.Published as part of Witzmann, F., 2007, The evolution of the scalation pattern in temnospondyl amphibians, pp. 815-834 in Zoological Journal of the Linnean Society 150 (4) on page 827, DOI: 10.1111/j.1096-3642.2007.00309.x, http://zenodo.org/record/543195
Figure 3. Ovoid gastral scales. A in The evolution of the scalation pattern in temnospondyl amphibians
No full textFigure 3. Ovoid gastral scales. A, Branchierpeton amblystomus. Gastral scales articulating in the ventral midline, redrawn after Werneburg (1991). B, Sclerocephalus haeuseri, MB.Am.1302. Gastral scale. C, Trimerorhachis insignis, MCZ 1080. Posterior part of interclavicle with gastral scales in ventral view.Published as part of Witzmann, F., 2007, The evolution of the scalation pattern in temnospondyl amphibians, pp. 815-834 in Zoological Journal of the Linnean Society 150 (4) on page 820, DOI: 10.1111/j.1096-3642.2007.00309.x, http://zenodo.org/record/543195
Figure 1 in The evolution of the scalation pattern in temnospondyl amphibians
No full textFigure 1. Schematic drawing of gastral scales in the anterior region of the belly in a temnospondyl illustrating the terms 'row', 'anteriorly directed chevron', and 'posteriorly directed chevron'.Published as part of Witzmann, F., 2007, The evolution of the scalation pattern in temnospondyl amphibians, pp. 815-834 in Zoological Journal of the Linnean Society 150 (4) on page 817, DOI: 10.1111/j.1096-3642.2007.00309.x, http://zenodo.org/record/543195
Figure 4. Spindle-shaped gastral scales. A, B in The evolution of the scalation pattern in temnospondyl amphibians
No full textFigure 4. Spindle-shaped gastral scales. A, B, Archegosaurus decheni, MB.Am.289. A, gastral scales in ventral view. B, gastral scales in dorsal view. C, Dendrerpeton sp., MCZ 8779. Two gastral scales in dorsal view plus isolated dorsal scale. D, Eryops megacephalus, MCZ 1738. Gastral scales in dorsal view. E, Plagiosuchus pustuliferus, SMNS 84794. Gastral scales with small, globular osteoderms in dorsal view.Published as part of Witzmann, F., 2007, The evolution of the scalation pattern in temnospondyl amphibians, pp. 815-834 in Zoological Journal of the Linnean Society 150 (4) on page 822, DOI: 10.1111/j.1096-3642.2007.00309.x, http://zenodo.org/record/543195
Figure 6. Dorsal scales. A, B in The evolution of the scalation pattern in temnospondyl amphibians
No full textFigure 6. Dorsal scales. A, B, Archegosaurus decheni, MB.Am.273. A, scales of the flanks in the region of the ilium. B, scales of the tail, showing concentric rings and radial striae. C, Sclerocephalus haeuseri, MB.Am.1314. Scales of the tail. D, schematic reconstruction of the arrangement of dorsal scales in Sclerocephalus haeuseri (left), schematic reconstruction of the arrangement of dorsal scales in the sacral region of Archegosaurus decheni (right). E, Eryops megacephalus, MCZ 1539 (cast). Scales of the tail. F, H, Greererpeton burkemorani. F, CMNH 11233. Dorsal scales in external (above) and internal (below) view. G, CMNH 11219. Dorsal scales showing an imbricating pattern.Published as part of Witzmann, F., 2007, The evolution of the scalation pattern in temnospondyl amphibians, pp. 815-834 in Zoological Journal of the Linnean Society 150 (4) on page 825, DOI: 10.1111/j.1096-3642.2007.00309.x, http://zenodo.org/record/543195
Figure 5. Rhombic gastral scales. A, B in The evolution of the scalation pattern in temnospondyl amphibians
No full textFigure 5. Rhombic gastral scales. A, B, Platyoposaurus stuckenbergi, PIN 164/1–9. A, isolated gastral scale, probably from the anterior part of the trunk, in anteroventral (left) and anterodorsal view (right). B, isolated gastral scale, probably from the posterior part of the trunk, in anteroventral (left) and anterodorsal view (right). C, D, Sclerocephalus haeuseri, SMNS 90507. C, gastral scales articulating in the ventral midline, ventral view. D, articulating gastral scales in ventral view.Published as part of Witzmann, F., 2007, The evolution of the scalation pattern in temnospondyl amphibians, pp. 815-834 in Zoological Journal of the Linnean Society 150 (4) on page 823, DOI: 10.1111/j.1096-3642.2007.00309.x, http://zenodo.org/record/543195
Figure 10 in Osteology and relationships of the temnospondyl genus Sclerocephalus
No full textFigure 10. Phylogenetic relationships of late Palaeozoic temnospondyls, with focus on the position and intrarelationships of the genus Sclerocephalus. Derived from a strict consensus of three most parsimonious trees found by PAUP 3.1: A, general topology, with supporting synapomorphies mapped at each node (the numbers refer to the character list, 'H' indicates homoplastic character states); B, intrarelationships within the genus Sclerocephalus as found by the present analysis.Published as part of Schoch, Rainer R. & Witzmann, Florian, 2009, Osteology and relationships of the temnospondyl genus Sclerocephalus, pp. 135-168 in Zoological Journal of the Linnean Society 157 (1) on page 161, DOI: 10.1111/j.1096-3642.2009.00535.x, http://zenodo.org/record/544324
Figure 5 in Osteology and relationships of the temnospondyl genus Sclerocephalus
No full textFigure 5. Skull roofs of well-preserved specimens of Sclerocephalus from different horizons: A, S. haeuseri BSPHM-1981 I 99 (L–O 6); B, S. haeuseri SMNS 90055 (L–O 6); C, S. haeuseri neotype, GPIM-N 1203 (L–O 9); D, S. jogischneideri FG 321/1/129 (Thuringian Basin); E, S. bavaricus MB.Am.442 (Altenglan Formation); F, S. nobilis NHMM-PW 2005/2Ls (L–O 9).Published as part of Schoch, Rainer R. & Witzmann, Florian, 2009, Osteology and relationships of the temnospondyl genus Sclerocephalus, pp. 135-168 in Zoological Journal of the Linnean Society 157 (1) on page 142, DOI: 10.1111/j.1096-3642.2009.00535.x, http://zenodo.org/record/544324
Multi-walled carbon nanotube directed gene and protein expression in cultured human aortic endothelial cells is influenced by suspension medium
No full textAbstract not availableAchini K. Vidanapathirana, Xianyin Lai, Susana C. Hilderbrand, Josh E. Pitzer, Ramakrishna Podila, Susan J. Sumner, Timothy R. Fennell, Christopher J. Wingard, Frank A. Witzmann, Jared M. Brow
Sculpture and vascularization of dermal bones, and the implications for the physiology of basal tetrapods
No full textFigure 11. Thin sections of sculptural ridges showing mineralized Sharpey's fibres penetrating the bone. A, Chenoprosopus milleri (Temnospondyli, Edopoidea), UCMP 41104. The strong Sharpey's fibres are obliquely cut. B, Plagiosternum granulosum (Stereospondyli, Plagiosauridae), SMNS without number. The Sharpey's fibres are densely arranged. For abbreviations, see text.Published as part of Witzmann, Florian, Scholz, Henning, Müller, Johannes & Kardjilov, Nikolay, 2010, Sculpture and vascularization of dermal bones, and the implications for the physiology of basal tetrapods, pp. 302-340 in Zoological Journal of the Linnean Society 160 (2) on page 325, DOI: 10.1111/j.1096-3642.2009.00599.x, http://zenodo.org/record/543967
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