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Fig. 22 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 22. Coronal CT images showing the morphology of the rostral portion of ventralmost ectoturbinal (char. 22). (A) lamella does not contact posterior transverse lamina (char. 22.0), Dromiciops gliroides, C245 (FMNH 127463); (B) lamella is attached to posterior transverse lamina (char. 22.1), Macrotis lagotis, C485 (AMNH 74486). Both scale bars equal 5 mm. Abbreviations: Ecto, ectoturbinal; Endo, endoturbinal; M1, first upper molar; ONS, ossified nasal septum; SER, sphenethmoid recess.
Fig. 29 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 29. Coronal CT images showing the rostral extent of ossified nasal septum (char. 29). (A) ossified nasal septum extends rostral to crowns of upper canines (char. 29.0), Caenolestes fuliginosus, C136 (KU 124015), scale bar equals 1 mm; (B) septum rostral extent is even with crowns of upper canines (char. 29.1), Dromiciops gliroides, C112 (FMNH 127463), scale bar equals 1 mm; (C) septum rostral extent is caudal to crowns of upper canines (char. 29.2), Phalanger orientalis, C066 (AMNH 157211), scale bar equals 5 mm. Abbreviations: C, upper canine; Ccr, upper canine crown; ONS, ossified nasal septum.
Fig. 7 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 7. Digital rendering of the isolated right maxilloturbinal from Didelphis virginiana (TMM M-2517) shown in (A) lateral, (B) medial, (C) rostral, and (D) caudal views. Labels indicate caudal and rostral ends of the maxilloturbinal for the lateral and medial views. Scale bar equals 1 cm.
Fig. 11 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 11. Coronal CT images showing the morphology of the rostral portion of the caudal nasoturbinal (char. 9). (A) rostrodorsal and rostroventral portions are straight (without a kink; char. 9.0), Didelphis virginiana, C270 (TMM M-2517); (B) distinctive kink between rostrodorsal and rostroventral portions of caudal nasoturbinal (char. 9.1), Dasyurus hallucatus, C208 (TMM M-6921). Both scale bars equal 5 mm. Abbreviations: Endo, endoturbinal; ONS, ossified nasal septum.
Fig. 18 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 18. Coronal CT images showing variation in the number of endoturbinals (char. 18). (A) two endoturbinals present (ch. 18.0), Ornithorhynchus anatinus, C274 (AMNH 200255), scale bar equals 5 mm; (B) three endoturbinals present (char. 18.1), Tarsipes rostratus, C449 (AMNH 119717), scale bar equals 1 mm; (C) four endoturbinals present (char. 18.2), Dendrolagus lumholtzi, C296 (AMNH 65254), scale bar equals 5 mm; (D) five endoturbinals present (char. 18.3), Didelphis virginiana, C464 (TMM M-2517), scale
Fig. 25 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 25. Coronal CT images showing the presence or absence of a frontal sinus (character 27). (A) no frontal sinus is present (char. 27.0), Dasyurus hallucatus, C428 (TMM M-6921); (B) small frontal sinus is present that comprises less than half of the cross sectional area of the frontals (char. 27.1), Phalanger orientalis, C342 (AMNH 157211); (C) large frontal sinuses present that comprises most or all of the cross sectional area of the frontals (char. 27.2), Dendrolagus lumholtzi, C329 (AMNH 65254). All scale bars equal 5 mm. Abbreviations: Endo, endoturbinal; ONS, ossified nasal septum; SOR, sphenoidal recess.
Fig. 21 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 21. Coronal CT images showing variation in the number of ectoturbinals (char. 19). (A) one ectoturbinal is present (char. 19.0), Tarsipes rostratus, C449 (AMNH 119717), scale bar equals 1 mm; (B) two ectoturbinals (char. 19.1), Didelphis virginiana, C464 (TMM M-2517), scale bar equals 5 mm; (C) three ectoturbinals (char. 19.2), Wallabia bicolor, C430 (TMM M-4169), scale bar equals 5 mm; (D) four ectoturbinals (char. 19.3) Potorous tridactylus, C495 (AMNH 65337), scale bar equals 5 mm. Abbreviations: Ecto, ectoturbinal; Endo, endoturbinal; NPM, nasopharyngeal meatus; ONS, ossified nasal septum; SER, sphenethmoid recess.
Fig. 2 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 2. Modified strict consensus tree from Sánchez-Villagra et al. (2007) based on morphological data. Taxa for which I do not have nasal cavity data were pruned from the topology or if possible substituted for closely related species for which I do have nasal cavity data. Wallabia was substituted for Macropus; Sarcophilus was substituted for Dasyuroides; Isoodon was substituted for Perameles. Substitutions within Marsupialia were based on the topologies by Cardillo et al. (2004). For explanation of outgroups used, see caption for figure 1.
Fig. 6 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 6. Coronal CT images showing the packing of endo- and ectoturbinals (char. 14). (A) turbinals are relatively loosely packed (char. 14.0), Caluromys philander, C330 (AMNH 95526); (B) turbinals are complexly branching or convoluted elements that are densely packed creating a tight mazelike pattern, especially around the ossified nasal septum (char. 14.1), Potorous tridactylus, C440 (AMNH 65337). Both scale bars equal 5 mm. Abbreviations: Ecto, ectoturbinal; Endo, endoturbinal; NPM, nasopharyngeal meatus; ONS, ossified nasal septum; PTL, posterior transverse lamina; SER, sphenethmoid recess.
Fig. 20 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 20. Coronal CT images showing the number of turbinal folds on endoturbinal I (char. 15). (A) one (ch. 15.1), Monodelphis domestica, C205 (TMM M-7599); (B) two (char. 15.2), Didelphis virginiana, C464 (TMM M-2517). All scale bars equal 5 mm. Abbreviations: Ecto, ectoturbinal; Endo, endoturbinal; NPM, nasopharyngeal meatus; ONS, ossified nasal septum; PTL, posterior transverse lamina; SER, sphenethmoid recess.
Fig. 19 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 19. Coronal CT images showing pneumaticity of the rostral portion of endoturbinal I (char. 17). (A) rostral portion contains no pneumatic cavities (char. 17.0), Petauroides volans, C370 (AMNH 150055); (B) small pneumatic cavity is present, which encompasses only a portion of the coronal cross section of the element (char. 17.1), Phalanger orientalis, C160 (AMNH 157211); (C) large cavity is present, which encompasses most or the entire coronal cross section of the element (char. 17.2), Didelphis virginiana, C270 (TMM M-2517). All scale bars equal 5 mm. Abbreviations: Endo, endoturbinal; ONS, ossified nasal septum; P1, first upper premolar.
Fig. 4 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 4. Digital rendering of the ethmoid bones (shown in color) inside the semitransparent skull of Didelphis virginiana (TMM M-2517) shown in (A) dorsal, and (B) left lateral views. Scale bar equals 1 cm.
Fig. 1 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 1. Modified topology from Meredith et al. (2009) based on Bayesian analysis of five nuclear genes. Taxa for which I do not have nasal cavity data were pruned from the topology or if possible substituted for closely related species for which I do have nasal cavity data. Didelphis was used as a representative of Didelphinae; Dendrolagus was substituted for Aepyprymnus; Wallabia was substituted for Macropus; Sminthopsis was substituted for Phascolosorex. Substitutions within Marsupialia were based on the topologies by Cardillo et al. (2004). The outgroups were pruned from the topology of Meredith et al. (2009) and instead the following taxa for which I have nasal cavity data were included: Mus, Pteropus, Erinaceus, Ornithorhynchus, and Tachyglossus. The polytomy for the placental mammals reflects the uncertainty in higher level systematics for Placentalia, whereas the monotreme relationships are well established (e.g., Rowe et al., 2008).
Fig. 24 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 24. Coronal CT images showing the presence or absence of prominent lateral expanded bulges within the shaft of the ossified nasal septum (char. 31). (A) bulges present (char. 31.0), Dromiciops gliroides, C136 (FMNH 127463), scale bar equals 1 mm; (B) bulges absent (char. 31.1), Wallabia bicolor, C386 (TMM M-4169), scale bar equals 5 mm. Abbreviations: Ecto, ectoturbinal; Endo, endoturbinal; ONS, ossified nasal septum; SER, sphenethmoid recess.
Fig. 23 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 23. Digital renderings of the cribriform plate showing the presence or absence of a crista galli (char. 34). (A) crista galli is present (char. 34.0), Caluromys philander (AMNH 95526); (B) crista galli is absent (char. 34.1), Dendrolagus lumholtzi (AMNH 65254). Both scale bars equal 1 mm.
Fig. 13 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 13. Coronal CT images showing the morphology of the caudodorsal portion of caudal nasoturbinal (caudal to nasoturbinal division around endoturbinal I; char. 10). (A) caudodorsal portion is unfolded (ch. 10.0), Dromiciops gliroides, C245 (FMNH 127463), scale bar equals 1 mm; (B) caudodorsal portion curls (char. 10.1), Phalanger orientalis, C250 (AMNH 157211), scale bar equals 5 mm. Abbreviations: Ecto, ectoturbinal; Endo, endoturbinal; ONS, ossified nasal septum; SER, sphenethmoid recess.
Fig. 8. Schematic diagram showing a in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 8. Schematic diagram showing a dorsal view of the paries nasi of the chondrocranium of a marsupial. Rostral is to the left. Figure modeled after Smith and Rossie (2006: fig. 8.4). Abbreviations: EC, ectoturbinal; EN, endoturbinal.
Fig. 28 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 28. Coronal CT images showing the complexity of the rostral portion of the maxilloturbinal in marsupials (char. 1). (A) arborlike maxilloturbinal (char. 1.0), Dasyurus hallucatus, C208 (TMM M-6921); (B) simple maxilloturbinal (char. 1.1), Isoodon macrourus, C150 (TMM M-6922); (C) curled lamella (char. 1.1), Phascolarctos cinereus, C129 (TMM M-2946). All scale bars equal 5 mm. Abbreviations: Endo, endoturbinal; ONS, ossified nasal septum.
Fig. 16 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 16. Coronal CT images showing the caudalmost extent of ventral attachment of nasoturbinal (char. 13). (A) attachment is rostral to caudal terminus of maxilloturbinal (char. 13.0), Petauroides volans, C450 (AMNH 150055); (B) attachment is at coronal level of caudal terminus of maxilloturbinal (char. 13.1), Trichosurus vulpecula, C212 (TMM M-849); (C) attachment is caudal to caudal terminus of maxilloturbinal (char. 13.2), Isoodon macrourus, C374 (TMM M-6922). All scale bars equal 5 mm. Abbreviations: Ecto, ectoturbinal; Endo, endoturbinal; ONS, ossified nasal septum; PTL, posterior transverse lamina.
Fig. 12 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 12. Coronal CT images showing the morphology of the caudal nasoturbinal (char. 7). (A) caudal nasoturbinal is unbranched (char. 7.0), Dromiciops gliroides, C230 (FMNH 127463); (B) caudal nasoturbinal has at least one branch (char. 7.1), Caenolestes fuliginosus, C389 (KU 124015). Both scale bars equal 1 mm. Abbreviations: Ecto, ectoturbinal; Endo, endoturbinal; ONS, ossified nasal septum.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
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