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Fig. 11 in Discovering high species diversity of Ophiotaenia tapeworms (Cestoda: Proteocephalidae) of watersnakes (Colubridae) in North America

Fig. 11. Maximum likelihood phylograms of cox1 data (Alignment 4; 549 nt) for selected members of the Proteocephalidae. Bootstrap support from maximum likelihood (ML) and Bayesian inference (BI) nodal support are indicated as ML/BI; values <0.90 (BI) and <70 (ML) are not shown. The scale bar indicates the expected number of substitutions per site. The newly generated sequences are highlighted in bold. Abbreviations of the U.S. states where the samples were collected: AR – Arkansas; MS – Mississippi; OK – Oklahoma. Abbreviations of biogeographical regions: NEA – Nearctic; NEO – Neotropical.

Fig. 9 in Discovering high species diversity of Ophiotaenia tapeworms (Cestoda: Proteocephalidae) of watersnakes (Colubridae) in North America

Fig. 9. Maximum likelihood phylogram based on 28S rDNA data for selected members of the Proteocephalidae. Bootstrap support from maximum likelihood (ML) and Bayesian inference (BI) nodal support are indicated as ML/BI; values <0.90 (BI) and <70 (ML) are not shown. The scale bar indicates the expected number of substitutions per site. The newly generated sequences are highlighted in bold. The hosts are indicated by silhouettes. The sequence of O. europaea obtained from a fish intermediate host is indicated by an asterisk. Abbreviations of the U.S. states where the samples were collected: AR – Arkansas; MS – Mississippi; OK – Oklahoma. Abbreviations of biogeographical regions: NEA – Nearctic; NEO – Neotropical; PAL – Palaearctic.

Fig. 8. Ophiotaenia tkachi n in Discovering high species diversity of Ophiotaenia tapeworms (Cestoda: Proteocephalidae) of watersnakes (Colubridae) in North America

Fig. 8. Ophiotaenia tkachi n. sp. from Nerodia fasciata confluens, host US 952 (MHNG-PLAT-0130134) (A, B, E, F) and N. erythrogaster, host US 1118 (G, H), and O. perspicua La Rue (1911) (C, D) from Nerodia rhombifer rhombifer (US 951), all samples from Oklahoma, USA. A, B – cross sections at the testicular and ovarian level, respectively; C, D – eggs; E–H – unripe eggs (without fully formed oncospheres), drawn in distilled water.

Fig. 10 in Discovering high species diversity of Ophiotaenia tapeworms (Cestoda: Proteocephalidae) of watersnakes (Colubridae) in North America

Fig. 10. Maximum likelihood phylograms of cox1 data (Alignment 3; 1608 nt) for selected members of the Proteocephalidae. Bootstrap support from maximum likelihood (ML) and Bayesian inference (BI) nodal support are indicated as ML/BI; values <0.90 (BI) and <70 (ML) are not shown. The scale bar indicates the expected number of substitutions per site. The newly generated sequences are highlighted in bold. Abbreviations of the U.S. states where the samples were collected: AR – Arkansas; MS – Mississippi; OK – Oklahoma. Abbreviations of biogeographical regions: NEA – Nearctic; NEO – Neotropical.

Fig. 7. Ophiotaenia tkachi n in Discovering high species diversity of Ophiotaenia tapeworms (Cestoda: Proteocephalidae) of watersnakes (Colubridae) in North America

Fig. 7. Ophiotaenia tkachi n. sp. from Nerodia fasciata confluens, host USA 21, Louisiana, USA, holotype (MHNG-PLAT-0063340). A, B – pregravid proglottids, ventral view; C, D – vaginal canal of unusual structure, ventral view (C) and en face view (D).

Fig. 5. Ophiotaenia laruei n in Discovering high species diversity of Ophiotaenia tapeworms (Cestoda: Proteocephalidae) of watersnakes (Colubridae) in North America

Fig. 5. Ophiotaenia laruei n. sp. (A, B) from Nerodia rhombifer rhombifer, Illinois, USA (USNM 1696448) and Ophiotaenia sp. (C) from Thamnophis sirtalis, Michigan, USA (USNM 1351911). A – mature proglottid of holotype, dorsal view; B, C – terminal genitalia, dorsal view.

Fig. 4 in Discovering high species diversity of Ophiotaenia tapeworms (Cestoda: Proteocephalidae) of watersnakes (Colubridae) in North America

Fig. 4. Ophiotaenia perspicua La Rue, 1911 from Nerodia rhombifer rhombifer, host US 951, Oklahoma, USA (MHNG-PLAT-0130131). A – mature proglottid, dorsal view; B – pregravid proglottid, ventral view; C, D – cross sections of at the testicular and ovarian level, respectively; E – terminal genitalia (cirrus sac and terminal part of the vagina), dorsal view.

Fig. 2 in Discovering high species diversity of Ophiotaenia tapeworms (Cestoda: Proteocephalidae) of watersnakes (Colubridae) in North America

Fig. 2. Scolices of Ophiotaenia perspicua La Rue, 1911 (A–C) and O. laruei n. sp. (D–F) from Nerodia rhombifer, Illinois, USA (USNM 1351794); note larger size of scolices and almost triangular suckers in O. laruei n. sp. (D, E – holotype of O. laruei; USNM 1696448).

Fig. 1 in Discovering high species diversity of Ophiotaenia tapeworms (Cestoda: Proteocephalidae) of watersnakes (Colubridae) in North America

Fig. 1. Ophiotaenia perspicua La Rue, 1911 (USNM 1351794) (A) and O. laruei n. sp. (B) from Nerodia rhombifer, Illinois, USA (USNM 1696448), Ophiotaenia sp. (C) from Thamnophis sirtalis, Michigan, USA (USNM 1351911), and O. perspicua (D) from N. rhombifer and N. fasciata, Illinois, Alabama, Texas and Louisiana, USA. A–C – unmounted specimens from vials; D – mounted specimens; note erroneous labelling of the holotype of O. perspicua (USNM 1348631; dotted) as Proteocephalus variabilis Brooks, 1978.

Fig. 6 in Discovering high species diversity of Ophiotaenia tapeworms (Cestoda: Proteocephalidae) of watersnakes (Colubridae) in North America

Fig. 6. Ophiotaenia spp. from watersnakes (Colubridae) in North America. A–C – early pregravid proglottid, gravid proglottid and terminal genitalia of Ophiotaenia currani n. sp. from Nerodia fasciata confluens (USA 22), Mississippi, USA (MHNG-PLAT-0063341), ventral view; D, E – terminal genitalia of O. tkachi n. sp. from N. fasciata confluens (US 952), Oklahoma, USA, and holotype of O. variabilis (Brooks, 1978) species inquirenda from N. rhombifer, Louisiana, USA (USNM 1369891), dorsal view.

Fig. 3 in Discovering high species diversity of Ophiotaenia tapeworms (Cestoda: Proteocephalidae) of watersnakes (Colubridae) in North America

Fig. 3. Scolices of Ophiotaenia spp. from watersnakes (Colubridae) in North America. A, B – holotype and voucher of O. perspicua La Rue, 1911, Illinois, USA (USNM 1348631); C, D – O. perspicua from host US 951, Oklahoma, USA (MHNG-PLAT-0130131); E – O. perspicua from host USA 13, Tennessee (MHNG-PLAT-0035370); F, G – anterior parts and scolices of O. perspicua from the same host individual as holotype, Illinois, USA (USNM 1351794); H – holotype of Ophiotaenia laruei n. sp., Illinois, USA (USNM 1351794); note large, almost triangular suckers; all specimens from Nerodia rhombifer rhombifer; I–K – Ophiotaenia currani n. sp. from host USA 22, Mississippi, USA (MHNG-PLAT-0063341); L – holotype of Ophiotaenia tkachi n. sp. from host USA 21, Louisiana, USA; all specimens from Nerodia fasciata confluens; M, N – holotype (?) and voucher of Ophiotaenia variabilis (Brooks, 1978) species inquirenda from N. rhombifer, Louisiana, USA (USNM 1369891); O, P – paratypes of O. variabilis species inquirenda from Nerodia cyclopion, Louisiana, USA (USNM 1369892).

Fig. 20. A in Giant theropod dinosaurs from Asia and North America: Skulls of Tarbosaurus bataar and Tyrannosaurus rex compared

Fig. 20. A. Reconstructed splenial of Tarbosaurus bataar (based on both ZPALMgD−I/34 and MgD−I/4) in medial (lingual) (A 1) and lateral (A2) views. B. Lateral view of the left splenial of Tyrannosaurus rex BHI−3033. C. Medial view of the supradentary of Tarbosaurus bataar ZPALMgD−I/4. D. Medial view of the supradentary of Tyrannosaurus rex BHI−3033.

Fig. 19 in Giant theropod dinosaurs from Asia and North America: Skulls of Tarbosaurus bataar and Tyrannosaurus rex compared

Fig. 19. Mandible of Tarbosaurus bataar ZPALMgD−I/4. A. Lateral view, B. Medial view. C. Medial view with prearticular and splenial removed. Based on Hurum and Currie (2000), except for a new reconstruction of the splenial.

Fig. 17 in Giant theropod dinosaurs from Asia and North America: Skulls of Tarbosaurus bataar and Tyrannosaurus rex compared

Fig. 17. Braincase of Tarbosaurus bataar ZPALMgD−I/4. A, B. Lateral view, left side. C, D. Lateral view, right side. E. Partly reconstructed occipital view.

Fig. 18 in Giant theropod dinosaurs from Asia and North America: Skulls of Tarbosaurus bataar and Tyrannosaurus rex compared

Fig. 18. Left exoccipital−opisthotic of Tarbosaurus bataar ZPAL MgD−I/4 in occipital (A) and medial (B) views.

Fig. 15. A in Giant theropod dinosaurs from Asia and North America: Skulls of Tarbosaurus bataar and Tyrannosaurus rex compared

Fig. 15. A. Ventral view of the skull of Tarbosaurus bataar GIN 107/1 (A1) and explanatory drawing of the same (A2). B. Tyrannosaurus rex BHI−3033; lateral view of vomer (B1), lateral view of pterygoid (B2), dorsal view of pterygoid (B3). Not to scale.

Fig. 14 in Giant theropod dinosaurs from Asia and North America: Skulls of Tarbosaurus bataar and Tyrannosaurus rex compared

Fig. 14. Left ectopterygoid of Tarbosaurus bataar ZPAL MgD−I/4 in dorsal (A, B) and ventral (C, D) views.

Fig. 11. Tyrannosaurus rex BHI−3033. A in Giant theropod dinosaurs from Asia and North America: Skulls of Tarbosaurus bataar and Tyrannosaurus rex compared

Fig. 11. Tyrannosaurus rex BHI−3033. A. Maxilla in medial view. B. Postorbital in lateral view. C. Quadratojugal in lateral (C1) and medial (C2) views.

Fig. 10. A in Giant theropod dinosaurs from Asia and North America: Skulls of Tarbosaurus bataar and Tyrannosaurus rex compared

Fig. 10. A. Right squamosal of Tarbosaurus bataar ZPALMgD−I/4 in dorsal (A 1), ventral (A2, A3), and lateral (A4) views. B. Mirrored left squamosal of Tyrannosaurus rex BHI−3033 in ventral view. A1–A3 and B, anterior is up.

Fig. 9 in Giant theropod dinosaurs from Asia and North America: Skulls of Tarbosaurus bataar and Tyrannosaurus rex compared

Fig. 9. Left squamosal, quadrate, quadratojugal, postorbital of Tarbosaurus bataar ZPAL MgD−I/4 in lateral (A, B) and medial (C, D) views.