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Topic: Stylommatophora

In the News (Mon 28 Dec 09)

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	Palaeos Invertebrates : Mollusca : Gastropoda : Stylommatophora (Site not responding. Last check: 2007-10-10)
		They Stylommatophora are major components of many terrestrial ecosystems, and have also become important models for studies on the mechanisms of evolution and biogeographic studies (Wade, iNet).
		The name "Stylommatophora" means "slender eye-bearing stalk", and refers to the fact that these animals have two pairs of tentacles, with eyes located at the tips of the upper (posterior / dorsal), pair, rather than at the base, as is the case with the Basommatophora.
		Although the molecular tree also suggests that the origin of the Stylommatophora is much earlier than the main period of their diversification (Wade, iNet), this may simply (as with the Cambrian explosion and other important events) be a result of evolutionary heterochrony.
	www.palaeos.com /Invertebrates/Molluscs/Gastropoda/Stylommatophora.html (856 words)

	clausilia.de - the internet-newsletter on clausiliid landsnails
		(2005b): Systematics of the Mentissoideinae (Gastropoda: Stylommatophora: Clausiliidae).
		Diversity of the genus Cochlodina Férussac in Slovenia and Croatia (Gastropoda: Stylommatophora: Clausiliidae).
		Critical evaluation of the phylogenetic analyses of pulmonate taxa (Gastropoda) published by Wade and Mordan (2000) and Wade, Mordan and Clarke (2001).
	www.clausilia.de /16501/home.html?sessionidkey=sessionidval (105 words)

	Macalogical Society of London - Bulletin Board
		This presentation set the scene for Chris's talk by tracing the history of ideas on the deep-level relationships within the Stylommatophora up to the advent of molecular studies.
		In this he defined three primary divisions of Stylommatophora based on differences in their pallial anatomy: the Orthurethra, the Sigmurethra and the Heterurethra.
		The molecular tree also indicates that the origin of the Stylommatophora is much earlier than the main period of their diversification.
	www.malacsoc.org.uk /MalacologicalBulletin/BULL36/PULM.HTM (1800 words)

	Pond snails (Lymnaeidae) (Site not responding. Last check: 2007-10-10)
		The present taxonomy of the Pulmonata (Lung snails) is based on the papers by H. Nordsieck on the phylogeny of the Pulmonata and the Stylommatophora in special.
		For a greater clearness the Stylommatophora are displayed on a special page.
		Nordsieck, H. The system of the Stylommatophora (Gastropoda), with special regard to the systematic position of the Clausiliidae, I. Importance of the excretory and genital systems.
	www.weichtiere.at /Mollusks/Schnecken/taxonomie/pulmonata.html (93 words)

	SNAIL'S TALES: The dissection selection: Philomycus ...
		The largest group of pulmonate land snails is the Stylommatophora, in which the eyes are located on the tips of the upper (longer) tentacles.
		Several families in the Stylommatophora, including the Helicidae, Zonitidae and Philomycidae, have evolved darts to stab each other with during mating.
		The presence of darts in many distantly related families of the Stylommatophora strongly suggests that darts were also present in the ancestors of the Stylommatophora
	snailstales.blogspot.com /2005/04/dissection-selection-philomycus.html (361 words)

	clausilia.de - the internet-newsletter on clausiliid landsnails (Site not responding. Last check: 2007-10-10)
		1: Family Clausiliidae (Gastropoda, Stylommatophora) – definition, systematic position, subdivision, evolution.
		6: Diversity of the genus Cochlodina Férussac (Gastropoda: Stylommatophora: Clausiliidae) in Slovenia and Croatia
		2: Albinaria, Isabellaria and Carinigera (Gastropoda, Stylommatophora, Clausiliidae), comments on Uit de Weerd (2004).
	www.clausilia.de /13801/22604.html?sessionidkey=sessionidval (125 words)

	Dart shooting influences paternal reproductive success in the snail Helix aspersa (Pulmonata, Stylommatophora) -- ...
		Dart shooting influences paternal reproductive success in the snail Helix aspersa (Pulmonata, Stylommatophora) -- Landolfa et al.
		Articles by Landolfa, M. Articles by Chase, R. Behavioral Ecology Vol.
		Dart shooting influences paternal reproductive success in the snail Helix aspersa (Pulmonata, Stylommatophora)
	beheco.oxfordjournals.org /cgi/content/abstract/12/6/773 (258 words)

	Product information: Fauna of New Zealand 38 Naturalised terrestrial Stylommatophora (Mollusca: Gastropoda)
		Product information: Fauna of New Zealand 38 Naturalised terrestrial Stylommatophora (Mollusca: Gastropoda)
		Fauna of New Zealand 38 Naturalised terrestrial Stylommatophora (Mollusca: Gastropoda)
		The Fauna of New Zealand series has been widely acclaimed for its role in presenting New Zealand's unique invertebrate fauna to the world.
	www.mwpress.co.nz /store/viewItem.asp?idProduct=248 (99 words)

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