Author: WOODS, I.S. AND R.P.S. JEFFERIES.
Title: A new stem-group chordate from the lower Ordovician of South Wales, and the problem of locomotion in boot-shaped cornutes.
Description: 1992. Palaeontology 35; pp. 1–25, 12 fig. 2 plts. Stapled extract, libr. stamp on title page.

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