Find research datasets worth reusing

FIG. 2. — Sengoerichthys ottoman n. gen., n in A primitive megalichthyid fish (Sarcopterygii, Tetrapodomorpha) from the Upper Devonian of Turkey and its biogeographical implications

FIG. 2. — Sengoerichthys ottoman n. gen., n. sp., Upper Devonian,?Frasnian, red sandstone of the Pamucak-Sapan Dere Unit, Upper Antalya Nappe; ArmutgÖZlek Tepe, Kemer, Antalya, Turkey; parieto-ethmoidal shield (AT050) in dorsal (A) and lateral (B) views, and internal mould of the sphenethmoid of the same specimen showing part of the palate and of the nasal capsules in dorsal view (C). Abbreviations: en, external nostril; nca, nasal capsule; onc, canal for the olfactory nerve. Scale bar: 10 mm.

FIG. 8. — A-E, Sengoerichthys ottoman n. gen., n in A primitive megalichthyid fish (Sarcopterygii, Tetrapodomorpha) from the Upper Devonian of Turkey and its biogeographical implications

FIG. 8. — A-E, Sengoerichthys ottoman n. gen., n. sp., Upper Devonian,?Frasnian, red sandstone of Pamucak-Sapan Dere Unit, Upper Antalya Nappe; ArmutgÖZlek Tepe, Kemer, Antalya, Turkey; A, incomplete left palatoquadrate and entopterygoid (AT064) in lateral (A1) and medial (A2) views; B, right entopterygoid in medial view (AT065); C, incomplete left entopterygoid in medial view (AT071); D, left cleithrum and scapulocoracoid (AT01) in medial (D1) and lateral (D2) views; E, incomplete left cleithrum in lateral view (AT02); F, G, cosmine covered elements assigned to Sengoerichthys n. gen. with some doubt; F,?anocleithrum in lateral view (AT066); G, scale or dermal bone fragment showing traces of cosmine resorption (AT070). Scale bar: 10 mm.

FIG. 7. — Sengoerichthys ottoman n. gen., n in A primitive megalichthyid fish (Sarcopterygii, Tetrapodomorpha) from the Upper Devonian of Turkey and its biogeographical implications

FIG. 7. — Sengoerichthys ottoman n. gen., n. sp., Upper Devonian,?Frasnian, red sandstone of Pamucak-Sapan Dere Unit, Upper Antalya Nappe; ArmutgÖZlek Tepe, Kemer, Antalya, Turkey; isolated maxilla (VDT10) in external view. Abbreviations: oa.Ju, overlap area for the jugal; oa.La, overlap area for the lacrimal. Scale bar: 10 mm.

FIG. 4. — Sengoerichthys ottoman n. gen., n in A primitive megalichthyid fish (Sarcopterygii, Tetrapodomorpha) from the Upper Devonian of Turkey and its biogeographical implications

FIG. 4. — Sengoerichthys ottoman n. gen., n. sp., Upper Devonian,?Frasnian, red sandstone of Pamucak-Sapan Dere Unit, Upper Antalya Nappe; ArmutgÖZlek Tepe, Kemer, Antalya, Turkey; internal moulds of otoccipitals in dorsal view (A, AT063; B, AT062). Abbreviations: Brf, fossa bridgei; pac, parotic crest; tfc, trigemino-facialis chamber. Scale bar: 10 mm.

FIG. 11. — Sengoerichthys ottoman n. gen., n in A primitive megalichthyid fish (Sarcopterygii, Tetrapodomorpha) from the Upper Devonian of Turkey and its biogeographical implications

FIG. 11. — Sengoerichthys ottoman n. gen., n. sp., Upper Devonian,?Frasnian, red sandstone of Pamucak-Sapan Dere Unit, Upper Antalya Nappe; ArmutgÖZlek Tepe, Kemer, Antalya, Turkey; right lower jaw in medial view based on the specimens AT055 and AT058 (Fig. 10A, B). Abbreviations: am.f, anterior mandibular fossa; da.co, denticulate area on the vertical lamina of the coronoids; f.co, coronoid fangs; m.sym, mandibular symphysis; Prart, prearticular; psym.f, parasymphysial fang; psym.p, parasymphysial plate. Scale bar: 10 mm.

Figure 18 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications

Figure 18. Geographical distribution of Acanthodactylus dumerili. Dotted lines indicate the approximate limits of the distribution of Acanthodactylus scutellatus in the Sahara. Data from Salvador (1982), Bons & Geniez (1996), Nouïra (1996), this study.

Figure 16 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications

Figure 16. (a) Acanthodactylus scutellatus audouini, male, paralectotype of Acanthodactylus scutellatus var. audouini, BMNH 97.10.28.316, Wadi Halfa (Egypt), close-up of dorsal scales. (b) A. senegalensis, male, EPHE Mch1, coast north of Dakar (Senegal), close-up of dorsal scales. (c) A. dumerili, male, MNHN 1997.3764, Blaouakh (Mauritania), close-up of dorsal scales. (d) A. longipes, male, EPHE AF4, Akreïdil, 50 km NE of Nouakchott (Mauritania), close-up of dorsal scales.

Figure 15 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications

Figure 15. Snout-vent length of females in our samples of continental Sahara Acanthodactylus dumerili and A. scutellatus audouini.

Figure 19 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications

Figure 19. Geographical distribution of Acanthodactylus longipes. Data from Salvador (1982), Baha El Din (1994), Bons & Geniez (1996), Nouïra (1996), this study.

Figure 10 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications

Figure 10. Bivariate plot of PC3 and PC4 scores generated by a PCA run on all adult specimens of Acanthodactylus aureus and A. taghitensis (males and females together) using the same 12 variables as in the other PCAs.

Figure 8 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications

Figure 8. Number of longitudinal rows of dorsal scales at mid-body for different geographical samples of Acanthodactylus dumerili.

Figure 12 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications

Figure 12. (a) Acanthodactylus senegalensis, male (above), MNHN 1997.4688, female (below), MNHN 1997.4659. Both from Tamzakt camp (Mauritania). (b) A. dumerili, from left to right male, MNHN 1997.3764, male MNHN 1997.3774, male MNHN 1997.3763, female MNHN 1997.3769, female MNHN 1997.3777, all from Blaouakh (Mauritania). (c) A. dumerili, male, PHG 48, Douz (Tunisia), picture by V. Rufray. (d) A. dumerili, female, PHG 3, 12 km from Mecissi toward Rissani (Morocco), picture by P. Geniez.

Figure 4 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications

Figure 4. Bivariate plot of PC1 and PC2 scores generated by a PCA run on all adult specimens of (following Salvador's 1982 classification) Acanthodactylus dumerili and Acanthodactylus scutellatus. The specimen marked 'd' is the holotype of dumerili, the specimen marked 's' the holotype of senegalensis.

Figure 21 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications

Figure 21. Geographical distribution of Acanthodactylus aureus (circles) and Acanthodactylus taghitensis (triangles). Data from Böhme (1978), Salvador (1982), Geniez & Foucart (1995), Bons & Geniez (1996), Hasi et al. (1998), Donaire et al. (2000), this study.

Figure 2 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications

Figure 2. Bivariate plot of PC2 and PC3 scores generated by a PCA run on all adult specimens (males and females separately) using the 12 morphological variables (see Methods).

Figure 5 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications

Figure 5. Box plots of the discriminant function scores for Acanthodactylus dumerili and A. scutellatus (both sexes together) in allopatric and sympatric situation. The DFA was run using the 12 variables included in the PCAs and the variables SO1, SO4 and GPRO (see Table 1).

Figure 20 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications

Figure 20. (a) Acanthodactylus longipes, male, MNHN 1997.4771, Azzefâl (Mauritania). (b) Acanthodactylus longipes, male, lectotype, BMNH 1946.8.4.31, Wargla (Algeria), close-up of head. (c) Acanthodactylus aureus, male, PHG 35, Sidi Ouassaï, near Massa (Morocco), picture by P. Geniez. (d) Acanthodactylus taghitensis, female, PHG 28, 5 km SSW of Taghit (Algeria), picture by M. Geniez.

Figure 3 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications

Figure 3. Bivariate plot of PC1 and PC2 scores generated by a PCA run on all adult specimens except Acanthodactylus aureus and A. taghitensis (males and females separately) using the same 12 variables as in the previous analysis. Arrows indicate A. longipes syntypes.

Figure 7 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications

Figure 7. Number of longitudinal rows of ventral scales for different geographical samples of Acanthodactylus dumerili.

Figure 11 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications

Figure 11. (a) Acanthodactylus scutellatus audouini, male, lectotype, BMNH 1923.1.20.3006, Wadi El Kreil (Tunisia), dorsal view of specimen. (b) A. s. audouini, female, paralectotype of Acanthodactylus scutellatus var. audouini, BMNH 97.10.28.319, Wadi Halfa (Sudan).