Author: Klinger, H.C., & Kennedy, W.J., 1977.:
Title: Cretaceous faunas from Zululand, South Africa, and Southern Mozambique. The Aprian Ancyloceratidae (Ammonoidea).
Description: Ann. South Afr. Mus., 73(9): pp. [ii],215-359, many photos and figs. in 89 illus. in text, refs. Journal issue, orig. wrs.

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