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A contribution to the biology and ecology of the threatened species Anisus vorticulus (Troschel, 1834) (Gastropoda : Pulmonata : Planorbidae)
Our investigation revealed that Anisus vorticulus is characterized by interesting ecological and biological features. It is a robust species which tolerates frozen over waters in winter and dry
Plutonia (Canarivitrina), new subgenus, from the Canary Islands, and the phylogenetic relationships of the subfamily Plutoniinae (Gastropoda: Limacoidea: Vitrinidae)
Plutonia (Canarivitrina), n. subgen., and four new species of this subgenus are described from three islands of the mid-Atlantic Canarian archipelago. The genus Plutonia Morelet, in Stabile, 1864 (of
Canarian land snail diversity: conflict between anatomical and molecular data on the phylogenetic placement of five new species of Napaeus (Gastropoda, Pulmonata, Enidae)
Five new species of land snail are described from La Gomera (Canary Islands) of which the majority, on the basis of anatomy alone, could be incorporated within a new supraspecific taxon, and it is suggested that this group may be an excellent model for further studies of adaptation and diversification.
Correspondence Art : Source Book for the Network of International Postal Art Activity
"Correspondence Art : Source Book for the Network of International Postal Art Activity is the first major anthology to document primary activity and literature on the subject of correspondence art.
Efficiency of filber feeding in two species of Tetrahymena.
It is evident from the results that the food vacuoles concentrate the suspended particles, clearing a volume of the surrounding suspension fluid 500 times greater than the total volume of food vacUoles made during the same period of time.
A new pill clam from an unusual habitat: the interstitial Pisidium interstitialis n. sp. (Bivalvia: Sphaeriidae) from southwestern and Central Germany
A new species of pill clam, Pisidium interstitialis n. sp. (Bivalvia: Sphaeriidae), is described from wet meadows bordering a small creek in the Odenwald, southwestern Germany, and from a similar
Interactions between freshwater mussels and newts: a novel form of parasitism?
If the mussels benefit from the interaction through, for example, enhanced dispersal then the relationship between the two taxa represents a novel form of parasitism.
The Genus Obelus Hartmann, 1842 (Gastropoda, Pulmonata, Helicoidea) and its Phylogenetic Relationships
It is concluded that Obelus belongs to the Cochlicella group because it shares an appendicula with the other genera of the group, however, it differs in anatomical details of this structure.