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Fig. 3 in A nearly complete ornithocheirid pterosaur from the Aptian (Early Cretaceous) Crato Formation of NE Brazil

Fig. 3. New ornithocheirid pterosaur specimen (SMNK PAL 3854) from the Nova Olinda Formation, Crato Basin, Brazil. A. 5th cervical vertebrae. B. 6th and 7th cervical vertebrae. C. 8th and 9th cervical ribs. Photographs (A, B, C) and explanatory drawings (A, B, C). Black shading highlights gaps/foram1 1 1 2 2 2 ina with the bone and the collapsed neurocentral canal.

Fig. 2 in A nearly complete ornithocheirid pterosaur from the Aptian (Early Cretaceous) Crato Formation of NE Brazil

Fig. 2. New ornithocheirid pterosaur specimen (SMNK PAL 3854) from the Nova Olinda Formation, Crato Basin, Brazil. Photograph detailing the cervical, notarial thoracic and terminal caudal vertebrae.

Fig. 1 in A nearly complete ornithocheirid pterosaur from the Aptian (Early Cretaceous) Crato Formation of NE Brazil

Fig. 1. New ornithocheirid pterosaur specimen (SMNK PAL 3854) from the Nova Olinda Formation, Crato Basin, Brazil. Photograph (A) and corresponding line tracing (B).

Fig. 4 in A nearly complete ornithocheirid pterosaur from the Aptian (Early Cretaceous) Crato Formation of NE Brazil

Fig. 4. The foot and pedal function of the new ornithocheirid pterosaur from the Nova Olinda Formation, Crato Basin, Brazil. A. SMNK PAL 3854. Line tracing of the ankle region (A1) and reconstructions of the ornithocheiroid pes, based on the described specimen (A2). B. The azhdarchoid pes, based on SMNK PAL 3900. Both reconstructions are scaled to a common humeral length.

Fig. 14. Cratokalotermes santanensis Bechly, photomicrographs. A. ROM 1764. B. Holotype, SMNS 66195 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision

Fig. 14. Cratokalotermes santanensis Bechly, photomicrographs. A. ROM 1764. B. Holotype, SMNS 66195.

Fig. 18 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision

Fig. 18. Plot of select body proportions of Crato Formation termite species: pronotum width/head width vs. forewing length (mm). Only those specimens were included for which forewing length, head width, and pronotum width could all be measured (see table 1).

Fig. 19 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision

Fig. 19. Photomicrographs of midguts of Meiatermes araripena. A. ROM 1762 (cf. fig. 16C–F). B. ROM 1770.

Fig. 3 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision

Fig. 3. Mariconitermes talicei, variation in wing venation. A. SMNS 66193, left forewing. B. SMNS 66193 right forewing. C. SMNS 66194, right forewing (reticulations omitted, with anal margin of left forewing shown as preserved). All to the same scale.

Fig. 7. Cratomastotermes wolfschwenningeri. A in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision

Fig. 7. Cratomastotermes wolfschwenningeri. A. Reconstruction. Presence of the Y-shaped epicranial ecdysial line and cerci are conjectural, based on their consistent presence in basal termites. B. Distal portion of left hind leg of AMNHSaI-1. C. Pretarsus and portion of distal tarsomere of left foreleg of same.

Fig. 2 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision

Fig. 2. Mariconitermes talicei, scanning electron micrographs of select details. A. Right eye and inner border, showing absence of ocellus. B. Mid left tarsus and tibial apex of AMNHSaI-5. C. Right cercus, AMNHSaI-3, showing fine annulations. D. Right cercus, AMNHSaI-5.

Fig. 10 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision

Fig. 10. Intraspecific variation in wing venation in Meiatermes araripena, all to the same scale and arranged in the same orientation to facilitate comparisons. A. AMNHSaI-10, left forewing; B. AMNHSaI- 12, right forewing; C. ROM 1762, right forewing; D. AMNHSaI-23, left forewing; E. AMNHSaI-16, left forewing; F–G: AMNHSaI-20 (F, forewing; G, hind wing); H, I: AMNHSaI-11 (H, right forewing; I, right hind wing). J: SMNS 66192, fore- and hind wings.

Fig. 13. Meiatermes hariolus, n in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision

Fig. 13. Meiatermes hariolus, n. sp. Scanning electron micrographs of holotype, AMNHSaI-22. A. Abdominal apex, showing right cercus and bases of styli (broken off distally). B. Detail of right cercus showing the five cercomeres.

Fig. 5. Cratomastotermes wolfschwenningeri Bechly, photomicrographs. A. ROM 1746. B. AMNHSaI-1. C in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision

Fig. 5. Cratomastotermes wolfschwenningeri Bechly, photomicrographs. A. ROM 1746. B. AMNHSaI-1. C. Detail of wing apex, AMNHSaI-1. D. Detail of hind tarsus, AMNHSaI-1. E. Holotype, SMNS 66186.

Fig. 12. Meiatermes hariolus, n in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision

Fig. 12. Meiatermes hariolus, n. sp. A. Wing, AMNH SaI-22. B-C. Wings, SMNS 66190. D. Drawing of cercus of SMNS 66190. E. Photomicrograph, same (to same scale).

Fig. 9 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision

Fig. 9. Meiatermes araripena. Scanning electron micrographs of select details of AMNHSaI-13. A, B, D: Distal portions of legs. A. Mid left tarsus and tibial apex (dorsal view). B. Portion of mid right tarsus (most of distal tarsomere is lost). C. Detail of wing surface, showing faintly imbricate microsculpture. D. Midtibial apical spurs (serrations are not discernable). E, F: Cerci (E, right; F, left).

Fig. 8 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision

Fig. 8. Meiatermes araripena Krishna. Photomicrographs of well-preserved specimens. A. AMNHSaI- 1749. B. AMNHSaI-1749 head. C. AMNHSaI-1749 wing base. D. ROM 1746. E. ZMHB 2061 head. F. ZMHB 2061. G. SMNS 66192.

Fig. 11 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision

Fig. 11. Meiatermes araripena. Reconstructed habitus, as based on a series of specimens. Venation is generalized to accommodate the variation seen in this species (see fig. 10).

Fig. 20 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision

Fig. 20. Scanning electronmicrographs of the details of digestive tract preserved in Meiatermes araripena. A, B: Midgut (ROM 1770, AMNHSaI-30, respectively). C–F: ROM 1762. C, Midgut. D, Proventriculus. E, Detail of midgut shown in fig. C. F, Detail of the base of Malpighian tubules, where they connect to the end of the midgut and showing the branched bases.

Fig. 16 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision

Fig. 16. Cratokalotermes santanensis, reconstruction. Venation and abdomen are largely based on the holotype (SMNS 66195); head and pronotum on ROM 1764; the two-segmented cerci are preserved in both specimens.

Fig. 1 in The Species of Isoptera (Insecta) from the Early Cretaceous Crato Formation: A Revision

Fig. 1. Mariconitermes talicei Fontes and Vulcano. Photomicrographs of well-preserved specimens, with select details. A. AMNHSaI-2. B. AMNHSaI-2 head. C. AMNHSaI-5 legs. D. AMNHSaI-5. E. AMNHSaI- 5 cerci. F. SMNS 66192. G. SMNS 66193.