Author: HEERDEN, J. VAN
Title: Intraspecific variations and growth changes in the cynodont reptile Thrinaxodon liorhinus.
Description: 1972. Navors. Nas. Mus. Bloemfontein 2-10; pp. 305-347, 24 fig./phot. Comes with two other short papers on Karroo vertebrates. Complete issue, orig. wrps. with libr. stamp, very good.

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