符合的藏品

共找到 4 筆符合的資料

脊椎動物化石哺乳動物概論

cusps to expand the grinding surface, and omnivores rounded cusps of varying heights to help cut.....more

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or bluntly rounded spines and oblique or transverse pleural furrows, in some genera represented by row.....more

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skulls, slim and fit bodies, slightly rounded dorsal fins, similar to that of the long-finned pilot.....more

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in center. Pygidium semicircular to transverse; axis convex, extending nearly full length to rounded.....more

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