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113 results for “temnospondyls”
Figure 9 in Osteology and relationships of the temnospondyl genus Sclerocephalus
Figure 9. Postcranial skeleton of Sclerocephalus haeuseri: A, reconstruction in lateral view, based on SMNS 90055 (L–O 6); B, reconstruction of vertebral structure in posterior view; C, reconstruction of vertebral structure in lateral view; D, nearly complete, slightly disarticulated skeleton of S. haeuseri, based on SMNS 90055. Please refer to the text for the list of abbreviations.
Figure 10 in Osteology and relationships of the temnospondyl genus Sclerocephalus
Figure 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.
Figure 7 in Osteology and relationships of the temnospondyl genus Sclerocephalus
Figure 7. Axial skeleton of Sclerocephalus haeuseri: A, cervical region of MB.Am.137 (L–O 6) in lateral view; B, cervical region of MB.Am.137 (L–O 6) in dorsal view; C, presacral column of MB.Am.137; D, presacral column and base of tail of MB.Am.1345 (L–O 10); E, presacral vertebral column of GPIM-N 1203 (L–O 9); F, posterior caudal skeleton of SMNS 90055 (L–O 6). Please refer to the text for the list of abbreviations.
Figure 3 in Osteology and relationships of the temnospondyl genus Sclerocephalus
Figure 3. Original material of large adult specimens of Sclerocephalus haeuseri: A, skull of POL-F 002, L–O 10 (dorsal view); B, skull of GPIM-N 1190, L–O 8 (dorsal view, with lateral lines); C, skull of GPIM-N 1203, L–O 9 (dorsal view); D, tail skeleton with skin preservation and bony scales (SMNS 90055); E, forearm and manus (SMNS 90055); F, complete skeleton (SMNS 90055).
Figure 2 in Osteology and relationships of the temnospondyl genus Sclerocephalus
Figure 2. Size distribution and ontogeny of Sclerocephalus haeuseri from different horizons in the Saar-Nahe Basin. A, ossification sequence. B, intra- and interspecific variation in the interorbital width, with specimens from different horizons coded in shadings of grey. The single skull of Sclerocephalus nobilis falls well outside the range of the other species.
Figure 1. A in Osteology and relationships of the temnospondyl genus Sclerocephalus
Figure 1. A, topography and geology of the Saar-Nahe Basin, with the most important localities yielding Sclerocephalus marked. B, stratigraphy of the Rotliegend section in the Saar-Nahe Basin, with the range of Sclerocephalus species and their maximum adult sizes listed (for more details see Table 1).
Figure 8 in Osteology and relationships of the temnospondyl genus Sclerocephalus
Figure 8. Appendicular skeleton of Sclerocephalus haeuseri: A, humerus of S. haeuseri SMNS 90055 (L–O 6) in flexor view; B, humerus of S. haeuseri SMNS 90055 in extensor view; C, humerus of S. nobilis NHMM-PW 2005/2Ls (L–O 9) in flexor view; D, radius, ulna, carpus, and manus of S. haueseri SMNS 90055; E, tibia, fibula, tarsus, and pes of S. nobilis NHMM-PW 2005/2Ls; F, ilium, ischio-pubis, and femur of S. haeuseri GPIM-N 1203 (L–O 9). Please refer to the text for the list of abbreviations.
Figure 5 in Osteology and relationships of the temnospondyl genus Sclerocephalus
Figure 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).
Figure 4 in Osteology and relationships of the temnospondyl genus Sclerocephalus
Figure 4. Skull reconstruction of Sclerocephalus haeuseri: A, dorsal view; B, ventral view; C, lateral view; D, occipital view; E, mandible in lingual view; F, mandible in labial view. Based on BSPHM-1981 I 99, SMNS 81791, and other specimens from the Jeckenbach Black Shale (L–O 6). Please refer to the text for the list of abbreviations.
Figure 3. Ovoid gastral scales. A in The evolution of the scalation pattern in temnospondyl amphibians
Figure 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.
Figure 1 in The evolution of the scalation pattern in temnospondyl amphibians
Figure 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'.
Figure 6. Dorsal scales. A, B in The evolution of the scalation pattern in temnospondyl amphibians
Figure 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.
Figure 5. Rhombic gastral scales. A, B in The evolution of the scalation pattern in temnospondyl amphibians
Figure 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.
Figure 2. Archegosaurus decheni. A in The evolution of the scalation pattern in temnospondyl amphibians
Figure 2. Archegosaurus decheni. A, MB.Am.229. Anteriorly directed chevrons with round-oval scales of the flanks, the cloacal region, and the hindlimb. The angle of the chevrons in the ventral midline was enlarged after the death of the animal by a slight displacement of the rows. B, MB.Am.289. Gastral scales articulating in the ventral midline of the trunk, ventral view. C, MB.Am.289. Nodal point of gastral scales in dorsal view between anteriorly and posteriorly directed chevrons.
Figure 4. Spindle-shaped gastral scales. A, B in The evolution of the scalation pattern in temnospondyl amphibians
Figure 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.
Figure 7 in The evolution of the scalation pattern in temnospondyl amphibians
Figure 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.
Figure 8 in The plagiosaurid temnospondyl Plagiosuchus pustuliferus (Amphibia: Temnospondyli) from the Middle Triassic of Germany: anatomy and functional morphology of the skull
Figure 8. Cranial diversity within the Plagiosauridae. Plagiosuchus pustuliferus: A, dorsal; D, ventral views. Gerrothorax pustuloglomeratus, after Hellrung (2003): B, dorsal; E, ventral views. Plagiosternum granulosum, after Gastou (2007): C, dorsal; F, ventral views.
Figure 7 in The plagiosaurid temnospondyl Plagiosuchus pustuliferus (Amphibia: Temnospondyli) from the Middle Triassic of Germany: anatomy and functional morphology of the skull
Figure 7. Reconstruction of the skull and mandible of Plagiosuchus pustuliferus. Skull in: A, dorsal; B, ventral views. Mandible in C, dorsal; D, ventral; E, lingual; F, labial views.
Figure 6 in The plagiosaurid temnospondyl Plagiosuchus pustuliferus (Amphibia: Temnospondyli) from the Middle Triassic of Germany: anatomy and functional morphology of the skull
Figure 6. Plagiosuchus pustuliferus, NHMS-WT 650. Photographs and interpretive drawings of the right mandible in: A, dorsal; B, lingual; C, labial; D, ventral views.
Figure 4. Plagiosuchus pustuliferus, SMNS 57921 in The plagiosaurid temnospondyl Plagiosuchus pustuliferus (Amphibia: Temnospondyli) from the Middle Triassic of Germany: anatomy and functional morphology of the skull
Figure 4. Plagiosuchus pustuliferus, SMNS 57921. Photographs and interpretive drawings of the left mandible in: A, dorsal; B, ventral views.
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