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Glyptodont nasal anatomy: Figures

FIGURE 1. Skull of Pleistocene glyptodonts: 1- Neosclerocalyptus paskoensis (MACN-Pv 18107); 2- Neosclerocalyptus sp. (MACN-Pv 8091); 3- Glyptodon reticulatus (MACN-Pv 10153); 4- Panochthus tuberculatus (MLP 16-38); 5- Doedicurus sp. (MACN Pv. 2762). Scale bar equals 5 cm.

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FIGURE 2. Skull of cingulates in dorsal view: 1- Chaetophractus sp.; 2- Glyptodon reticulatus (MACN-Pv 10153); 3- Neosclerocalyptus paskoensis (MACN-Pv 18107). Scale bar equals 5 cm.

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FIGURE 3. Skulls of Neosclerocalyptus in lateral view (nasal region to the left), showing different morphotypes: 1- Neosclerocalyptus paskoensis (MLP 16-384); 2- Neosclerocalyptus pseudornatus (MACN-Pv 8579); 3- Neosclerocalyptus paskoensis (MACN-Pv 18107); 4- Nesoclerocalyptus sp. (MACN-Pv 8091); 5- Neosclerocalyptus ornatus (MLP 16-28); 6- Neosclerocalyptus pseudornatus (MACN-Pv 8773). Scale bar equals 5 cm.

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FIGURE 4. Cladogram depicting phylogenetic hypothesis used in this work. Modified from Fernicola (2008), Porpino et al. (2010), and Fernicola and Porpino (2012).

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FIGURE 5. Skull of Neosclerocalyptus paskoensis (MACN-Pv 18107) depicting ossified nasal cartilages conforming the rostral most region (light orange) and turbinates (red).

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FIGURE 6. Neosclerocalyptus paskoensis (MACN-Pv 18107). Parasagittal CT slice (above) and diagram depicting structures explained in the text (below). Scale bar equals 5 cm.

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FIGURE 7. Neosclerocalyptus paskoensis (MACN-Pv 18107). Frontal CT slice (above) and diagram depicting paranasal sinuses explained in the text (below). Scale bar equals 5 cm.

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FIGURE 8. Neosclerocalyptus paskoensis (MACN-Pv 18107). Block diagram depicting paranasal sinuses explained in the text.

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FIGURE 9. Neosclerocalyptus paskoensis (MACN-Pv 18107). Transverse CT slice (above) and diagram depicting structures explained in the text (below). Scale bar equals 5 cm.

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FIGURE 10. Neosclerocalyptus paskoensis (MACN-Pv 18107). Frontal CT slice (above) and diagram depicting structures explained in the text (below). Scale bar equals 5 cm.

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FIGURE 11. Neosclerocalyptus paskoensis (MACN-Pv 18107). Block diagram depicting nasal meatuses explained in the text.

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FIGURE 12. Neosclerocalyptus paskoensis (MACN-Pv 18107). Block diagram depicting structures explained in the text and inferred entering airflow (light blue arrows).

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FIGURE 13. Neosclerocalyptus paskoensis (MACN-Pv 18107). Block diagram depicting structures explained in the text and inferred leaving airflow (light blue arrows).

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