Klinger, H., & Kennedy, W. (1990). Metaplacenticeras subtilstriatum (Jimbo, 1894) (Cephalopoda: Ammonoidea) from the St Lucia Formation (Cretaceous), Zululand.
Lua i Stíl Chicago (17ú heag.)Klinger, H., agus W. Kennedy. Metaplacenticeras Subtilstriatum (Jimbo, 1894) (Cephalopoda: Ammonoidea) from the St Lucia Formation (Cretaceous), Zululand. 1990.
Lua MLA (9ú heag.)Klinger, H., agus W. Kennedy. Metaplacenticeras Subtilstriatum (Jimbo, 1894) (Cephalopoda: Ammonoidea) from the St Lucia Formation (Cretaceous), Zululand. 1990.
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