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	Provedor de dados Naturalis (1) Autor Bandel, K. (1) Nützel, A. (1) Palavra-chave 38.22 (1) Tipo do documento Article / Letter to the editor (1) Ano 1992 (1) País Netherlands (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última [Proceedings of the symposium 'Molluscan Palaeontology' : 11th International Malacological Congress, Siena (Italy) 30th August - 5th September 1992 / A.W. Janssen and R. Janssen (editors)]: Studies on the side-branch planorbids (Mollusca, Gastropoda) of the Miocene crater lake of Steinheim am Albuch (southern Germany) Naturalis Nützel, A.; Bandel, K.. Planorbid shells are abundant in the sediments of the fresh water lake of Steinheim am Albuch throughout its depositional history. They were studied repeatedly after Hilgendorf's (1867) initial work. He had all different morphs that appeared during the long lasting lake history related to a single founder species that developed into several lineages, one of which was designated as 'main-branch' with large conspicuous morphs. Most subsequent studies are concerned with that branch. Based on new material and aided by SEM studies of the protoconchs, the small side-branch morphs have been restudied and evolutionary lineages are reconstructed. As a result the phylogenetic lineages of planorbids from lake Steinheim can be considered to have evolved from a single... Tipo: Article / Letter to the editor Palavras-chave: 38.22. Ano: 1992 URL: http://www.repository.naturalis.nl/record/317358 Registros recuperados: 1 Primeira ... 1 ... Última

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