| author | date | title | journal / publication | Steinböck O | 1963 | Origin and affinities of the lower Metazoa: The "Aceloid" Ancestry of the Eumetazoa. In Dougherty EL (ed), The Lower Metazoa, Comparative Biology and Phylogeny. 4. | Univ California Press, Berkeley 1963: 40-54, 3 Textabb. (Sep. Offsetdruck d. Notring wiss Verb. Österr.) |
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