Progress in Littorinid and Muricid Biology: Proceedings of by David G. Reid (auth.), K. Johannesson, D. G. Raffaelli, C.

By David G. Reid (auth.), K. Johannesson, D. G. Raffaelli, C. J. Hannaford Ellis (eds.)

Littoral gastropods of the households Littorinidae and Muricidae are good studied in comparison to so much marine taxa, but there stay many simple difficulties relating their taxonomy, ecology and evolutionary biology. In different phrases, we all know those snails good adequate to gain simply how little we actually learn about them. This knowledge brought on the 1st ecu assembly on Littorinid Biology held on the British Museum in London on twenty sixth November 1986, and the dialogue persisted in the course of the moment assembly on Littorinid Biology, held on the Tjarno Marine organic Laboratory, Sweden, from 4th to eighth July 1988. in the course of the Tjiirno assembly, it was once agreed to have a 3rd assembly at Dale, Pembroke shire, U.K. in 1990. Twenty-two humans attended the Tjarno assembly, and an extra ten contributed as co-authors to the papers that have been provided. those lined examine in development in a extensive variety of themes, and geo­ graphical parts. regrettably, Cesare Sacchi and Domenico Voltolina, in addition to Elisabeth Boulding weren't capable of attend the assembly in individual, yet their contributions have been ably provided via David Reid and Richard Palmer, respectively. We additionally remorse that certainly one of us, C.E., and several other of our Russian colleagues, didn't have the chance to come.

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Extra info for Progress in Littorinid and Muricid Biology: Proceedings of the Second European Meeting on Littorinid Biology, Tjarno Marine Biological Laboratory, Sweden, July 4–8, 1988

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Fitch, W. M. & E. Margoliash, 1967. Construction ofphylogenetic trees. Science 155: 279-284. Hughes, R. , 1979. South African populations of Littorina rudis. linn. , Zool. 65: 119-126. , 1985. A morphologic and genetic analysis of Littorina saxatilis (Prosobranchia) from Venice, and on the problem of saxatilis - rudis nomenclature. BioI. J. linn. Soc. 24: 51-59. , 1988. The paradox of Rockall: why is a brooding gastropod (Littorina saxatilis) more widespread than one having a planktonic larval dispersal stage (L.

However, Swofford & Berlocher (1987) have shown there are ways to reach phylogeny estimates from gene frequencies that can be logically defended. They also argue against the use of alleles as characters in a convincing way, and show how easy it is to miss a particular allele just from sampling error. The differences in assumptions between the tree-making techniques will show in results, and their ability to recover the correct tree will not be the same. The cluster analysis groups populations after degree of similarity in a straightforward way and does not look for alternative configurations.

Zool. 65: 219-232. Sacchi, C. , 1975. Littorina nigrolineata (Gray), (Gastropoda, Prosobranchia). Cah. BioI. mar. 16: 111-120. Hydrobiologia 193: 29-40, 1990. K. Johannesson, D. G. Raffaelli and C. J. Hannaford Ellis (eds), Progress in Littorinid and Muricid Biology. © 1990 Kluwer Academic Publishers. 29 Estimating the phylogeny in mollusc Littorina saxatilis (Olivi) from enzyme data: methodological considerations Per Sundberg l , Andrew J. Knight 2 , Robert D. O. Box 250 59, S-400 31 Goteborg, Sweden; 2 Loughborough University of Technology, Department of Human Sciences, Loughborough, Leicestershire LEll 3TU, England, UK; 3 Tjiirno Marine Biological Laboratory, Pl.

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