| 11. | It has transverse ridges away from the central axis that may be gonads.
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| 12. | Transverse ridging and deformations close to the nail base appeared on her fingernails.
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| 13. | Terminal scute with a transverse ridge, indistinctly bicuspid, rounded in the young.
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| 14. | Transverse ridges are formed by the union of two triangular ridges on posterior teeth.
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| 15. | The transverse ridges are strong and often bifurcate.
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| 16. | It contains smooth domes that are lined with transverse ridges like a corrugated roof.
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| 17. | The transverse ridges are raised and very prominent.
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| 18. | There are two parallel thick transverse ridges of raised scales about two-thirds.
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| 19. | In many species the pronotum bears a dorsal anteromedian tuberosity, or a posterior transverse ridge.
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| 20. | Transverse ridges between the cusps similar to those seen in ferugliotheriids are not known in any multituberculate.
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