MOLLUSCAN PHYLOGENY
نویسندگان
چکیده
منابع مشابه
Deep molluscan phylogeny: synthesis of palaeontological and neontological data.
The position of the earliest-derived living molluscs, the Polyplacophora (chitons) and shell-less vermiform Aplacophora, remains highly contentious despite many morphological, developmental and molecular studies of extant organisms. These two groups are thought to represent either a basal molluscan grade or a clade (Aculifera) sister to the 'higher' molluscs (Conchifera). These incompatible hyp...
متن کاملThe Continuing Debate on Deep Molluscan Phylogeny: Evidence for Serialia (Mollusca, Monoplacophora + Polyplacophora)
Molluscs are a diverse animal phylum with a formidable fossil record. Although there is little doubt about the monophyly of the eight extant classes, relationships between these groups are controversial. We analysed a comprehensive multilocus molecular data set for molluscs, the first to include multiple species from all classes, including five monoplacophorans in both extant families. Our anal...
متن کاملInvestigation of molluscan phylogeny using large-subunit and small-subunit nuclear rRNA sequences.
The Mollusca represent one of the most morphologically diverse animal phyla, prompting a variety of hypotheses on relationships between the major lineages within the phylum based upon morphological, developmental, and paleontological data. Analyses of small-ribosomal RNA (SSU rRNA) gene sequence have provided limited resolution of higher-level relationships within the Mollusca. Recent analyses ...
متن کاملInvestigation of molluscan phylogeny on the basis of 18S rRNA sequences.
The 18S rRNA sequences of 12 molluscs, representing the extant classes Gastropoda, Bivalvia, Polyplacophora, Scaphopoda, and Caudofoveata, were determined and compared with selected known 18S rRNA sequences of Metazoa, including other Mollusca. These data do not provide support for a close relationship between Platyhelminthes (Turbellaria) and Mollusca, but rather suggest that the latter group ...
متن کاملThe Continuing Debate on Deep Molluscan Phylogeny: Evidence for Serialia (Mollusca, Monoplacophora plus Polyplacophora)
1 SNSB-Bavarian State Collection of Zoology, Münchhausenstraße 21, 81247 Munich, Germany 2 Faculty of Biology, Department II, Ludwig-Maximilians-Universität München, Großhaderner Straße 2-4, 82152 Planegg-Martinsried, Germany 3Queen’s University Belfast, School of Biological Sciences, Marine Laboratory, 12-13 The Strand, Portaferry BT22 1PF, UK 4Department of Marine Ecosystems Dynamics, Atmosph...
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ژورنال
عنوان ژورنال: Journal of Molluscan Studies
سال: 1997
ISSN: 0260-1230,1464-3766
DOI: 10.1093/mollus/63.3.299