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FIGURE 12 in Taxonomic revision of the tigrina Leopardus tigrinus (Schreber, 1775) species group (Carnivora, Felidae)

FIGURE 12: Geographic distribution of the specimens of L. emiliae studied. Numbers correspond to collection localities listed in the gazetteer (see Appendix II) and the star refers to the type locality. For color figure, see online version.

FIGURE 10 in Taxonomic revision of the tigrina Leopardus tigrinus (Schreber, 1775) species group (Carnivora, Felidae)

FIGURE 10: Comparison of the patterns of ground color and markings in (A): northern tigrina (L. tigrinus) (USNM374861, Los Patos, El Manteco, Bolivar, Venezuela) and (B): margay (L. wiedii) (NMNH388255, Rio Cunucunuma, Belen, Amazonas, Venezuela). Bar = 100 mm. For color figure, see online version.

FIGURE 11 in Taxonomic revision of the tigrina Leopardus tigrinus (Schreber, 1775) species group (Carnivora, Felidae)

FIGURE 11: Dorsal (up) and ventral (bottom) views of the skin of the holotype of L. emiliae, specimen from Ipu, Ceará, Brazil (BMNH13.12.18.3; male). Bar = 100 mm. Photo: Thiago Semedo. For color figure, see online version.

FIGURE 6 in Taxonomic revision of the tigrina Leopardus tigrinus (Schreber, 1775) species group (Carnivora, Felidae)

FIGURE 6: Distribution of the factorial scores in the first and second discriminant functions of the craniometrical variables of geographic morphogroups of tigrinas. For color figure, see online version.

FIGURE 8 in Taxonomic revision of the tigrina Leopardus tigrinus (Schreber, 1775) species group (Carnivora, Felidae)

FIGURE 8: Geographic distribution of the specimens of L. tigrinus studied. Numbers correspond to collection localities listed in the gazetteer (see Appendix II) and the star refers to the type locality. For color figure, see online version.

FIGURE 7 in Taxonomic revision of the tigrina Leopardus tigrinus (Schreber, 1775) species group (Carnivora, Felidae)

FIGURE 7: Reproduction of the original plates: (A): "Le Margay" of Buffon (1765) (obtained from Gallica – Bibliothèque Nationale de France), the lectotype of the species; and (B): Felis tigrina of Schreber (1775). For color figure, see online version.

FIGURE 9 in Taxonomic revision of the tigrina Leopardus tigrinus (Schreber, 1775) species group (Carnivora, Felidae)

FIGURE 9: Pattern of coloration and markings in L. tigrinus: (A): EBRG9609 (Raul Leoni, Bolivar, Venezuela); (B): USNM374861 (Los Patos, El Manteco, Bolivar, Venezuela); AMNH69116 (Rio Chili, Manizales, Loreto, Colombia); (C): NMW-B455 (Carrillo, S des Llano de Santa Clara, San Jose, Costa Rica). Bar = 100 mm. For color figure, see online version.

FIGURE 17 in Taxonomic revision of the tigrina Leopardus tigrinus (Schreber, 1775) species group (Carnivora, Felidae)

FIGURE 17: Pattern of coloration and markings in L. guttulus: (A): MZUSP24234 (Dourado, São Paulo, Brazil); (B): MNRJ6693 (São Francisco, Jacarépaguá, Rio de Janeiro, Rio de Janeiro, Brazil); (C): MNRJ3889 (Santa Teresa, Espírito Santo, Brazil). Bar = 100 mm. For color figure, see online version.

FIGURE 5 in Taxonomic revision of the tigrina Leopardus tigrinus (Schreber, 1775) species group (Carnivora, Felidae)

FIGURE 5: Distribution of the factorial scores in the first and second principal components of the craniometrical variables of geographic morphogroups of tigrinas. For color figure, see online version.

FIGURE 4 in Taxonomic revision of the tigrina Leopardus tigrinus (Schreber, 1775) species group (Carnivora, Felidae)

FIGURE 4: Distribution of morphogroups of tigrinas (L. tigrinus group) over the biomes of South America and part of Central America (data obtained from WWF – World Wide Fund for Nature). For color figure, see online version.

FIGURE 3 in Taxonomic revision of the tigrina Leopardus tigrinus (Schreber, 1775) species group (Carnivora, Felidae)

FIGURE 3: External characters of the three diagnosable and geographically distinct morphogroups of tigrinas recognized in this study. Left: IAVH1781 (Coper, Boyacá, Colombia); middle: UFPB6267 (Sítio Corea, Várzea, Paraíba, Brazil); right: MZUSP24234 (Dourado, São Paulo, Brazil). Note the difference in the ground color and the shape and arrangement of rosettes among morphogroups. For color figure, see online version.

FIGURE 2 in Taxonomic revision of the tigrina Leopardus tigrinus (Schreber, 1775) species group (Carnivora, Felidae)

FIGURE 2: Distribution of the specimens of tigrinas (L. tigrinus group) studied. Black dots correspond to the specimens from scientific collections.

FIGURE 1 in Taxonomic revision of the tigrina Leopardus tigrinus (Schreber, 1775) species group (Carnivora, Felidae)

FIGURE 1: Dorsal, ventral and lateral view of skull and lateral view of mandible of an tigrina (L. tigrinus), showing 19 craniometrical variables used in the study. The abbreviations assigned to craniometrical variables correspond to those mentioned in the "Materials and methods" section of the text. Image: Guilherme S.T. Garbino.

FIGURE 15. Ultrastenos huberi, rostral fragments. A-B in A reinterpretation and taxonomic revision of Ultrastenos willisi Stein, Hand and Archer, 2016, a short-snouted mekosuchine crocodylian from the Oligocene of northern Australia

FIGURE 15. Ultrastenos huberi, rostral fragments. A-B, QM F31064, fragment of right maxilla. A, ventral view. B, lateral view. C-F, QM F31061, rostral fragment, including right premaxilla and fragment of right maxilla. C, ventral view. D, dorsal view. E, lateral view. F, medial view. Abbreviations: appa, antepenultimate premaxillary alveolus; ect sut, sutural surface for articulation with the ectopterygoid; idp, interdental reception pit; lpal, last premaxillary alveolus; lr, lateral ridge; mal, maxillary alveolus; mn, margin of the naris; mr, medial ridge; msy, articular surface for maxillary symphysis; nar, naris; nc, nasal cavity; nsy, articular surface for nasal symphysis; pm, premaxilla; pmf, premaxillary fenestra; ppal, penultimate premaxillary alveolus; psy, articular surface for premaxillary symphysis; rp, reception pit; sofm, margin of the suborbital fenestra; Vpal, maxillary foramen for palatine ramus of cranial nerve V2 (maxillary division of the trigeminal nerve), note that the margins of this foramen are broken, thus enlarging the apparent size of the foramen. Scale bar equals 20 mm.

FIGURE 19 in A reinterpretation and taxonomic revision of Ultrastenos willisi Stein, Hand and Archer, 2016, a short-snouted mekosuchine crocodylian from the Oligocene of northern Australia

FIGURE 19. Ultrastenos huberi, reconstructed left mandibular ramus based largely upon QM F61096 and QM F42665, scaled to the size of the former. A, dorsal view. B, medial view (reversed for comparison). C, lateral view. Abbreviations: an, angular; ar, articular; c, coronoid; d, dentary; dal, dentary alveolus; dsy, symphyseal surface of the dentary; emf, external mandibular fenestra; fa, foramen aëreum; fic, foramen intermandibularis caudalis; gl, mandibular glenoid; ms, Meckelian sulcus; rap, retroarticular process; sa, suraqngular; sp, splenial. Scale bar equals 50 mm.

FIGURE 6 in A reinterpretation and taxonomic revision of Ultrastenos willisi Stein, Hand and Archer, 2016, a short-snouted mekosuchine crocodylian from the Oligocene of northern Australia

FIGURE 6. Comparison of the occipital proportions of various crocodylians. A: Osteolaemus tetraspis NTM unregistered cast, a brevirostrine form. B: Ultrastenos huberi, QM F31075. C. Tomistoma schlegelii, NTM P3142 (cast), a slender longirostrine form. Images are not to scale.

FIGURE 5 in A reinterpretation and taxonomic revision of Ultrastenos willisi Stein, Hand and Archer, 2016, a short-snouted mekosuchine crocodylian from the Oligocene of northern Australia

FIGURE 5. Ultrastenos huberi QM F31076, White Hunter Cranial Form 1, posterior cranial fragment. A, dorsal view. B, ventral view. C, occipital view. D, right lateral view. Abbreviations: bo, basioccipital; boa, bony otic aperture; cb, caudal bridge of the laterosphenoid; cp, capitate process of the laterosphenoid; cqp, cranioquadrate passage; fa, foramen aereum; fm, foramen magnum; fr, frontal; I, foramen for cranial nerve I (olfactory foramen); II, foramen for cranial nerve II (optic foramen); III+orb, common foramen for cranial nerve III (oculomotor nerve) and the orbital artery and vein; ioc, incisure of the cranioquadrate passage in the otic aperture; IV, foramen for cranial nerve IV (trochlear foramen); lb, lateral bridge of the laterosphenoid; ls, laterosphenoid; mf, metotic foramen; ncr, nuchal crest; oto, otoccipital; ott, olfactory tract trough; pa, parietal; parp, paroccipital process; pbs, parabasisphenoid; pcf, posterior carotid foramen; pfss, sutural surface for articulation with the prefrontal; plp, posterolateral process of the sqamosal; po, postorbital; pob, postorbital bar; pop, postoccipital process of the supraoccipital; ptf, posttemporal fenestra; q, quadrate; qjss, sutural surface for articulation with the quadratougal; so, supraoccipital; sq, squamosal; ss, squamosal sulcus; stf, supratemporal fenestra; V, foramen for cranial nerve V (trigeminal foramen); XIIa, anterior foramen for cranial nerve XII (anterior hypoglossal foramen); XIIp, posterior foramen for cranial nerve XII (posterior hypoglossal foramen). Scale bar equals 50 mm.

FIGURE 23 in A reinterpretation and taxonomic revision of Ultrastenos willisi Stein, Hand and Archer, 2016, a short-snouted mekosuchine crocodylian from the Oligocene of northern Australia

FIGURE 23. Curvature of the mandible of Ultrastenos huberi compared to Baru iylwenpeny Yates et al. A-C: Ultrastenos huberi, QM F42665, mandibular fragments. A, posterior fragment of the left mandibular ramus. B, right surangular. C, mirror image of the right surangular overlain onto the left mandibular ramus fragment (drawn in red). The left surangular in (A) is filled with white, the other bones are shaded grey. The rectangular bracket in (A) indicates a highly fractured and re-glued zone. Note the offset of the end anterior of the left ramus in (C), which has rotated medially relative to the right surangular (marked with red arrow). D: Baru iylwenpeny, NTM P2787, right mandibular ramus (image reversed). The triangle indicates an inflection point similar to that exhibited in QM F42665. Scale bar equals 50 mm.

FIGURE 11 in A reinterpretation and taxonomic revision of Ultrastenos willisi Stein, Hand and Archer, 2016, a short-snouted mekosuchine crocodylian from the Oligocene of northern Australia

FIGURE 11. Comparison of the squamosal in right lateral view of Ultrastenos huberi with various species of Baru, showing the angle of descent of the posterolateral process and sculptural elements of the lateral surface. A: Ultrastenos huberi, QM F31075. Note that the lateral squamosal sulcus is both broad and extensive and the posterolateral process descends at a steep angle. B: Baru wickeni, NTM P9464-10 (image reversed for comparison). Note that the lateral surface is largely flat with a short, narrow sulcus and the posterolateral process descends at a shallow angle. C: Juvenile Baru iylwenpeny (NTM P6478). Note the flat lateral surface with a short, narrow sulcus and the shallow angle of descent. D: Adult Baru iylwenpeny (NTM P6515) Note the flat lateral surface with a short, narrow sulcus and the shallow angle of descent shared with other Baru specimens. Note also the presence of a posterolateral boss shared with (B) but not (C). Dashed lines demarcate each posterolateral boss. Hatched areas demarcate lateral sulci. Scale bars equal 20 mm.

FIGURE 2 in A reinterpretation and taxonomic revision of Ultrastenos willisi Stein, Hand and Archer, 2016, a short-snouted mekosuchine crocodylian from the Oligocene of northern Australia

FIGURE 2. Ultrastenos huberi, QM F42665, significant fragments of the holotype of U. willisi Stein et al. A, B, basicranial fragment with displaced adherent left pterygoid in right lateral (A) and occipital views (B). C, D, right temporal fragment in lateral (C) and dorsal views (D). E, G, I, posterior end of left mandibular ramus in lateral (E), medial (G) and dorsal (I) views. F, H, disarticulated right suranguar and angular in medial (F) and lateral (H) views. J, right surangular in dorsal view (anterior to the left). Scale bar equals 50 mm.