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Fig. 7 in A new discosauriscid seymouriamorph tetrapod from the Lower Permian of Moravia, Czech Republic

Fig. 7. Makowskia laticephala gen. et sp. nov., SNM Z 26506. A. Neural arch from the posterior half of the presacral vertebral column in dorsal view. B. Pleurocentrum and intercentrum from anterior section of caudal vertebral column in posterolateral (B1) and right lateral (B2) views. C. Femur, fibula and anterior section of caudal vertebral column in left lateral view (C1), selected postcranial elements of the same section of vertebral column in right lateral view (C2).

Fig. 6 in A new discosauriscid seymouriamorph tetrapod from the Lower Permian of Moravia, Czech Republic

Fig. 6. Makowskia laticephala gen. et sp. nov., SNM Z 26506. A. Anterior portion of postcranial skeleton in dorsal view. B. The same skeleton in ventral view.

Fig. 5 in A new discosauriscid seymouriamorph tetrapod from the Lower Permian of Moravia, Czech Republic

Fig. 5. Makowskia laticephala gen. et sp. nov., SNM Z 26506. A. Restoration of skull in ventral view. B. Restoration of lower jaw in right lateral view.

Fig. 4 in A new discosauriscid seymouriamorph tetrapod from the Lower Permian of Moravia, Czech Republic

Fig. 4. Makowskia laticephala gen. et sp. nov., SNM Z 26506. Restoration of skull in dorsal (A) and left lateral (B) views.

Fig. 2 in A new discosauriscid seymouriamorph tetrapod from the Lower Permian of Moravia, Czech Republic

Fig. 2. Makowskia laticephala gen. et sp. nov., SNM Z 26506. Photograph of holotype skull (A) and explanatory drawing of the same (B) in ventral view.

Fig. 3 in A new discosauriscid seymouriamorph tetrapod from the Lower Permian of Moravia, Czech Republic

Fig. 3. Makowskia laticephala gen. et sp. nov., SNM Z 26506. A. Sclerotic plates in anterior part of right orbit. B. Right stapes.

Fig. 1 in A new discosauriscid seymouriamorph tetrapod from the Lower Permian of Moravia, Czech Republic

Fig. 1. Makowskia laticephala gen. et sp. nov., SNM Z 26506. Photograph of holotype skull (A) and explanatory drawing of the same (B) in dorsal view.

Fig. 6. Pareiasaur reptile Honania complicidentata Young, 1979 in The Jiyuan Tetrapod Fauna of the Upper Permian of China: New pareiasaur material and the reestablishment of Honania complicidentata

Fig. 6. Pareiasaur reptile Honania complicidentata Young, 1979 (Upper Permian, Shangshihezi Formation of Jiyuan, Henan Province, China). A. HGM 41HIII0437, right ulna in anterior (A 1) and posterior (A2) views. B. IVPP V 4017.20, distal end of left radius in posterior (B1), medial (B2), and anterior (B 3) views. C. HGM 41HIII0434, right ilium in lateral (C1) and medial (C2) views. D. IVPP V 4017.10, distal part of right ischium in medial (D1) and lateral (D 2) views. E. IVPP V 4017.9, partial right ischium in lateral view. F. IVPP V 4017.7, proximal part of right pubis in lateral (F1) and anterior (F2) views. D–F were referred to Taihangshania imperfect in Young 1979. G. Pelvic girdle reconstruction showing the position of D–F.

Fig. 3 in The Jiyuan Tetrapod Fauna of the Upper Permian of China: New pareiasaur material and the reestablishment of Honania complicidentata

Fig. 3. Tooth of pareiasaur reptile Honania complicidentata Young, 1979 (Upper Permian, Shangshihezi Formation of Jiyuan, Henan Province, China); in labial (A 1–D1, E, F) and lingual (A 2–D2) views. A. IVPP V 4016.1, syntype of Tsiyuania simplicidentata (Young, 1979), maxillary tooth (from Young 1979: fig. 5). B. HGM 41HIII0423, maxillary tooth. C. IVPP V 4015.1, syntype of Honania complicidentata (Young, 1979), dentary tooth (from Young 1979: fig. 4). D. HGM 41HIII0424, dentary tooth. E. IVPP V 4018.14, former Wangwusaurus tayuensis (Young, 1979). F. IVPP V 4019.2, former Hwanghocynodon multienspidus (Young, 1979).

Fig. 2. Pareiasaur reptile Honania complicidentata Young, 1979 in The Jiyuan Tetrapod Fauna of the Upper Permian of China: New pareiasaur material and the reestablishment of Honania complicidentata

Fig. 2. Pareiasaur reptile Honania complicidentata Young, 1979 (Upper Permian, Shangshihezi Formation of Jiyuan, Henan Province, China). A. IVPP V 4017.24, the incomplete left splenial in dorsal (A1) and posterior A2) views. B. IVPP V 4017.25, the incomplete right splenial in dorsal view.

Fig. 5. Pareiasaur reptile Honania complicidentata Young, 1979 in The Jiyuan Tetrapod Fauna of the Upper Permian of China: New pareiasaur material and the reestablishment of Honania complicidentata

Fig. 5. Pareiasaur reptile Honania complicidentata Young, 1979 (Upper Permian, Shangshihezi Formation of Jiyuan, Henan Province, China). A. HGM 41HIII0431, right scapula in lateral (A 1) and medial (A 2) views. B. HGM 41HIII0432, interclavicle in dorsal (B 1) and ventral (B 2) views. C. HGM 41HIII0433, left clavicle in anterior (C 1) and posterior (C 2) views. D. HGM 41HIII0435, left humerus in dorsal (D 1) and ventral (D 2) views. E. HGM 41HIII0436, right humerus in ventral view.

Fig. 1. Pareiasaur reptile Honania complicidentata Young, 1979 in The Jiyuan Tetrapod Fauna of the Upper Permian of China: New pareiasaur material and the reestablishment of Honania complicidentata

Fig. 1. Pareiasaur reptile Honania complicidentata Young, 1979 (Upper Permian, Shangshihezi Formation of Jiyuan, Henan Province, China). A. HGM 41HIII0423, left maxilla with teeth, in lateral (A1) and medial (A2) views. B. IVPP V4012.2, formerly referred to Labyrinthodontia (Young, 1979),?prefrontal in dorsal (B1), ventral (B2), and lateral (B3) views. C. IVPP V4012.1, formerly referred to Labyrinthodontia (Young, 1979), parietal in ventral (C1) and dorsal (C2) views. D. HGM 41HIII0442, incomplete left quadratojugal in lateral (D1) and medial (D2) views. E. HGM 41HIII0425, left dentary with teeth, in lateral (E1) and medial (E2) views. F. HGM 41HIII0441, incomplete left quadrate in anterior (F1), posterior (F2), and ventral (F3) views.

Fig. 4. Pareiasaur reptile Honania complicidentata Young, 1979 in The Jiyuan Tetrapod Fauna of the Upper Permian of China: New pareiasaur material and the reestablishment of Honania complicidentata

Fig. 4. Pareiasaur reptile Honania complicidentata Young, 1979 (Upper Permian, Shangshihezi Formation of Jiyuan, Henan Province, China). A. IVPP V 4017.5, former Taihangshania imperfecta Young, 1979, cervical vertebra in posterior (A 1) and lateral (A 2) views. B. HGM 41HIII0427, dorsal vertebra in anterior (B 1) and posterior (B 2) views. C, D. Sacral vertebrae with ribs. C. HGM 41HIII0428, in anterior (C 1) and posterior (C 2) views. D. HGM 41HIII0429, in posterior (D 1) and anterior (D 2) views. E. IVPP V 4017.27, caudal cervical vertebra in anterior (E 1) and posterior (E 2) views. F. HGM 41HIII0430, incomplete right dorsal rib in lateral view.

Fig. 7. Pareiasaur reptile Honania complicidentata Young, 1979 in The Jiyuan Tetrapod Fauna of the Upper Permian of China: New pareiasaur material and the reestablishment of Honania complicidentata

Fig. 7. Pareiasaur reptile Honania complicidentata Young, 1979 (Upper Permian, Shangshihezi Formation of Jiyuan, Henan Province, China). A. HGM 41HIII0439, right femur in dorsal (A 1) and ventral (A 2) views. B. HGM 41HIII0440, right tibia in posterior (B 1) and anterior (B 2) views. C. HGM 41HIII0443, metatarsal or metacarpal in anterior (C 1) and posterior (C 2) views.

Fig. 8 in The Jiyuan Tetrapod Fauna of the Upper Permian of China: New pareiasaur material and the reestablishment of Honania complicidentata

Fig. 8. Cladistic relationships of Honania complicidentata within Pareiasauria. A strict consensus of most parsimonious topologies recovered from TNT analyses (90 trees under traditional search, 6 trees under new technology search). Bremer decay values above one and bootstrap values>50% are listed above and below, respectively, each well-supported branch.

Fig. 7 in The fossil record of early tetrapods: Worker effort and the end-Permian mass extinction

Fig. 7. Species discovery curves for several groups of fossil organisms show substantial differences in form. All discovery curves are shown as percentages, even though final totals, in 2003, are very different: trilobites (n = 4126), early tetrapods (n = 515), dinosaurs (n = 694), fossil birds (n = 221), and fossil mammals of North America (n = 3340). The horizontal line marks the "half life" of the discovery curve, the date by which half the currently valid taxa had accumulated. Data from these sources: trilobites (Tarver et al. 2007), dinosaurs (Benton 2008), fossil birds (Fountaine et al. 2008), fossil mammals (Alroy 2002).

Fig. 2 in The fossil record of early tetrapods: Worker effort and the end-Permian mass extinction

Fig. 2. Perceptions of early tetrapod diversity at three points in research time, 1900, 1950, and 2000. Total numbers of valid species are indicated per series; the 1900 data distribution differs significantly from those for 1950 and 2000, but the 1950 and 2000 distributions do not differ significantly (see text).

Fig. 1 in The fossil record of early tetrapods: Worker effort and the end-Permian mass extinction

Fig. 1. Discovery curve of valid early tetrapod species (i.e., tetrapods, excluding Lissamphibia and Amniota), plotted against publication year. Species determined as synonymous or dubious in recent revisions are excluded. The curves show proportions through time, rising to 100% of current knowledge, for all early tetrapods (n = 528) and two major sub−divisions, temnospondyls (n = 368), and lepospondyls (n = 85).

Fig. 6 in The fossil record of early tetrapods: Worker effort and the end-Permian mass extinction

Fig. 6. Cumulative discovery curve of species of early tetrapods showing the relative completeness for each of the eight stratigraphic series, divided into two panels, from Upper Devonian to Middle Permian (A), and Upper Permian to Upper Triassic (B), plotted against decades in research time. The horizontal line marks the "half life" of the discovery curve, the date by which half the currently valid taxa had accumulated. Numbers of taxa per series are: Upper Devonian (17), Lower Carboniferous (25), Upper Carboniferous (108), Lower Permian (125), Middle Permian (36), Upper Permian (20), Lower Triassic (100), Middle Triassic (46), Upper Triassic (5), Jurassic (5), Cretaceous (1).

Fig. 4 in The fossil record of early tetrapods: Worker effort and the end-Permian mass extinction

Fig. 4. Cumulative discovery curves of species of early tetrapods showing the relative completeness for each of the nine major geographic regions: North America, Europe, and Africa (A), South America, Greenland, and Australia (B), Asia, India, and Russia (C), plotted against decades in research time. The horizontal line marks the "half life" of the discovery curve, the date by which half the currently valid taxa had accumulated. Total numbers of taxa are given for each continent.