ppl. a. (UN-1 8.)

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1839–47.  Owen, in Todd’s Cycl. Anat., III. 269/2. In the skull of the mature Wombat … the ex-occipitals were still unanchylosed. Ibid. (1854), in Orr’s Circ. Sc., Org. Nat., I. 217. Their pleurapophyses are unanchylosed.

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