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Fig. 8 in A New Nonmammalian Eucynodont (Synapsida: Therapsida) from the Triassic of Northern Gansu Province, China, and its Biostratigraphic and Biogeographic Implications

Fig. 8. Biogeographic distribution of Trirachodontidae (data on African taxa from Abdala et al., 2006; base map from http://www.theodora.com/maps): South Africa—Trirachodon, Langbergia, Cricodon (Olenekian and Anisian); Namibia—Trirachodon sp. (Anisian); Tanzania—Cricodon (Anisian); Gansu— Beishanodon (Olenekian); Shanxi—Sinognathus (Anisian); Donguz—questionable record of trirachodontid.

Fig. 1. Santanichthys diasii, specimen AMNH 19439 in Redescription of Santanichthys diasii (Otophysi, Characiformes) from the Albian of the Santana Formation and Comments on Its Implications for Otophysan Relationships

Fig. 1. Santanichthys diasii, specimen AMNH 19439, photograph and drawing of the head in lateral view.

Fig. 8 in Redescription of Santanichthys diasii (Otophysi, Characiformes) from the Albian of the Santana Formation and Comments on Its Implications for Otophysan Relationships

Fig. 8. Santanichthys diasii: (A) specimen AMNH 19439; (B) restoration of the entire skeleton, the head is slightly inclined to see the fontanelle; (C) restoration of the fish as living.

Fig. 2. Santanichthys diasii, specimen AMNH 20050 in Redescription of Santanichthys diasii (Otophysi, Characiformes) from the Albian of the Santana Formation and Comments on Its Implications for Otophysan Relationships

Fig. 2. Santanichthys diasii, specimen AMNH 20050, photograph and drawing of the head in lateral view.

Fig. 3. Santanichthys diasii, specimen AMNH 20062 in Redescription of Santanichthys diasii (Otophysi, Characiformes) from the Albian of the Santana Formation and Comments on Its Implications for Otophysan Relationships

Fig. 3. Santanichthys diasii, specimen AMNH 20062, suspensorium, lower jaw, and part of the neurocranium.

Fig. 6. Santanichthys diasii, AMNH 20064 in Redescription of Santanichthys diasii (Otophysi, Characiformes) from the Albian of the Santana Formation and Comments on Its Implications for Otophysan Relationships

Fig. 6. Santanichthys diasii, AMNH 20064, photograph and drawing of the elements of the neurocranium, the branchial skeleton and the Weberian apparatus.

Fig. 5. Santanichthys diasii, AMNH 20052 in Redescription of Santanichthys diasii (Otophysi, Characiformes) from the Albian of the Santana Formation and Comments on Its Implications for Otophysan Relationships

Fig. 5. Santanichthys diasii, AMNH 20052, photograph and drawing of the Weberian apparatus and some details of the skull.

Fig. 4 in Redescription of Santanichthys diasii (Otophysi, Characiformes) from the Albian of the Santana Formation and Comments on Its Implications for Otophysan Relationships

Fig. 4. Santanichthys diasii, photograph and drawing of the Weberian apparatus and posterior part of the skull in AMNH 20068. The lagenar capsules are indicated by the white arrow.

Fig. 14 in The Second Ural Centrum in Siluriformes and Its Implication for the Monophyly of Superfamily Sisoroidea (Teleostei, Ostariophysi)

Fig. 14. Caudal skeletons in Sisoridae: A. Gagata gagata (AMNH 8358, disarticulated specimen), B. Glyptothorax sinensis (AMNH 10265, 51.9 mm SL), C. Nangra nangra (CMK 6369, 39 mm SL), D. Pseudexostoma yunnanensis (NRM 25124, 82 mm SL). Scale bar = 1 mm.

Fig. 11 in The Second Ural Centrum in Siluriformes and Its Implication for the Monophyly of Superfamily Sisoroidea (Teleostei, Ostariophysi)

Fig. 11. Caudal skeletons in Erethistidae: A. Conta conta (UMMZ 208632, 43 mm SL), B. Erethistes pusillus (UMMZ 208697, 39 mm SL). Scale bar = 1 mm.

Fig. 13 in The Second Ural Centrum in Siluriformes and Its Implication for the Monophyly of Superfamily Sisoroidea (Teleostei, Ostariophysi)

Fig. 13. Caudal skeleton of Pseudopimelodus raninus (AMNH 55370, disarticulated late juvenile specimen). Scale bar = 1 mm.

Fig. 10 in The Second Ural Centrum in Siluriformes and Its Implication for the Monophyly of Superfamily Sisoroidea (Teleostei, Ostariophysi)

Fig. 10. Caudal skeletons in Aspredinidae: A. Agmus sp. (AMNH uncat., disarticulated adult specimen), B. Platystacus cotylephorus (USNM 87834, approx. 100 mm SL). Scale bar = 1 mm.

Fig. 7 in The Second Ural Centrum in Siluriformes and Its Implication for the Monophyly of Superfamily Sisoroidea (Teleostei, Ostariophysi)

Fig. 7. Development of the caudal skeleton of Trichogenes longipinnis (Trichomycteridae; MZUSP 80933). A. at 9.1 mm SL, B. at 18.2 mm SL. Stippling represents cartilage, open areas represent membrane (A) or bone (B). Scale bars = 0.5 mm (A) and 1 mm (B).

Fig. 12 in The Second Ural Centrum in Siluriformes and Its Implication for the Monophyly of Superfamily Sisoroidea (Teleostei, Ostariophysi)

Fig. 12. Caudal skeleton of Chiloglanis polypogon (Mochokidae; USNM 304264, 29 mm SL). Scale bar = 1 mm.

Fig. 8 in The Second Ural Centrum in Siluriformes and Its Implication for the Monophyly of Superfamily Sisoroidea (Teleostei, Ostariophysi)

Fig. 8. Caudal skeleton of Liobagrus anguillicaudatus (Amblycipitidae; AMNH 11069, disarticulated adult specimen). Scale bar = 1 mm.

Fig. 6 in The Second Ural Centrum in Siluriformes and Its Implication for the Monophyly of Superfamily Sisoroidea (Teleostei, Ostariophysi)

Fig. 6. Caudal skeleton of juvenile specimen of Gagata melanopterus (Sisoridae; MZUSP 52865, 16.0 mm SL). Stippling represents cartilage, open areas represent bone or notochord (in dotted lines). Scale bar = 1 mm.

Fig. 5 in The Second Ural Centrum in Siluriformes and Its Implication for the Monophyly of Superfamily Sisoroidea (Teleostei, Ostariophysi)

Fig. 5. Ontogenetic changes in the second ural centrum of Aspredinidae. A. Pterobunocephalus sp. (MZUSP 57208, approx. 5.5 mm SL), late embryo inside eggshell, B. Pterobunocephalus sp. (MZUSP uncat., 63.0 mm SL), adult. Heavy stippling represents cartilage, light stipling represents a thin mineralized layer, and open areas represent notochord (in A) or bone (in B). Scale bars = 0.5 mm (A) and 1 mm (B).

Fig. 4 in The Second Ural Centrum in Siluriformes and Its Implication for the Monophyly of Superfamily Sisoroidea (Teleostei, Ostariophysi)

Fig. 4. Caudal skeleton in anterior view: A. Parakysis grandis (Akysidae; MZUSP 63109, 37.8 mm SL), B. Agmus sp. (Aspredinidae; AMNH 97160, disarticulated adult specimen). Scale bars = 1 mm.

Fig. 3 in The Second Ural Centrum in Siluriformes and Its Implication for the Monophyly of Superfamily Sisoroidea (Teleostei, Ostariophysi)

Fig. 3. Caudal skeletons in Akysidae: A. Akysis recavus (MZUSP 75128, 24 mm SL), B. Breitensteinia insignis (AMNH 58378, disarticulated adult specimen), C. Parakysis grandis (CMK 7915, 44 mm SL). Scale bar = 1 mm.

Fig. 1 in The Second Ural Centrum in Siluriformes and Its Implication for the Monophyly of Superfamily Sisoroidea (Teleostei, Ostariophysi)

Fig. 1. Caudal skeleton of Diplomystes mesembrinus (Diplomystidae; MZUSP 62595, 149 mm SL). Scale bar = 1 mm.