Results 61 to 70 of about 13,230 (245)

Черевоногі легеневі молюски (Mollusca: Gastropoda: Pulmonata) в системі біологічного моніторингу [PDF]

open access: yes, 2002
Наведено рекомендації по використанню черевоногих легеневих молюсків у системі біологічного моніто ...
Гирин, В. К.   +4 more
core  

Taxonomic revision of the fossil pulmonate mollusks of Itaboraí Basin (Paleocene), Brazil

open access: yesPapéis Avulsos de Zoologia, 2013
The limestones of Itaboraí Basin (Middle Paleocene), Rio de Janeiro, Brazil, harbor a rich fossil molluscan fauna consisting exclusively of pulmonate snails, both terrestrial and freshwater. An extensive taxonomic revision of this paleofauna is conducted
Rodrigo Brincalepe Salvador   +1 more
doaj   +3 more sources

Reproductive cycle of Leptaxis caldeirarum, a locally endangered Azorean land snail [PDF]

open access: yes, 2005
Copyright © 2005, Taylor & Francis.The land snail Leptaxis caldeirarum (Morelet and Drouet, 1857), a hermaphrodite Hygromiidae species, endemic from São Miguel Island (Azores), is geographically limited to a range of 31 km2, occupying an area of about 14
Medeiros, Jorge, Rodrigues, Armindo
core   +1 more source

Revisión de las especies ibéricas de la familia Xanthonychidae (Gastropoda: Pulmonata: Helicoidea) [PDF]

open access: yes, 1996
S'ha fet una revisió de les espècies Elona quimperiana (Férussac, 1821) i Norelona pyrenaica (Draparnaud 1805), que són els únics representants vius de la família Xanthonychidae a la regió paleàrtica.
Altonaga, Kepa, Puente, Ana I.
core  

Некоторые направления адаптивной эволюции кладок яиц пресноводных брюхоногих моллюсков [PDF]

open access: yes, 2002
В работе обсуждаются морфологические типы кладок яиц пресноводных брюхоногих моллюсков и ос-новные пути эволюции их адаптаций к размножению в пресных ...
Берёзкина, Г. В.
core  

The effect of accumulation of metals on selected physiological biomarkers in Cochlodina (Cochlodina) laminata (Pulmonata:Clausiliidae) inhabiting urban biocenoses / Wpływ akumulacji metali na wybrane biomarkery fizjologiczne Cochlodina (Cochlodina) laminata (Pulmonata:Clausiliidae) zasiedlających urbicenozy

open access: yesEnvironmental Protection and Natural Resources, 2013
Wykorzystując powszechnie występujące w całej Europie, niewielkie rozmiarowo ślimaki Cochlodina (Cochlodina) laminata przeprowadzono analizę akumulacji metali w tkankach miękkich oraz w muszlach mięczaków.
Kowalczyk-Pecka Danuta   +1 more
doaj   +1 more source

Species Composition, Distribution in Biotopes and Ecological Characteristics of Gastropod Mollusks of the Curonian Lagoon Coastal Waters of the Baltic Sea [PDF]

open access: yesЖурнал Сибирского федерального университета: Серия Биология, 2012
The research of the gastropod mollusks fauna of the littoral biotopes of the Curonian Lagoon of the Baltic Sea was carried out. Gastropods, as has been estimated, are presented by 38 species, 10 of them belong to Prosobranchia and 28 species belong to ...
Dmitry P. Filippenko
doaj  

Calcium phosphate granules in the reproductive system of Oxychilus atlanticus (gastropoda: pulmonata) [PDF]

open access: yes, 2000
Copyright © The Malacological Society of London 2000.The presence of connective interstitial cells in the wall of several organs of the distal reproductive system in Oxychilus atlanticus is described by means of scanning electron microscopy (SEM ...
Gomez, B. J., Rodrigues, Armindo
core   +1 more source

On the origin of Acochlidia and other enigmatic euthyneuran gastropods, with implications for the systematics of Heterobranchia

open access: yesBMC Evolutionary Biology, 2010
Background A robust phylogenetic hypothesis of euthyneuran gastropods, as a basis to reconstructing their evolutionary history, is still hindered by several groups of aberrant, more or less worm-like slugs with unclear phylogenetic relationships.
Knebelsberger Thomas   +5 more
doaj   +1 more source

Physa cubensis Pfeiffer, 1839 (Pulmonata: Physidae)

open access: yesMemorias do Instituto Oswaldo Cruz, 1987
A description of Physa cubensis Pfeiffer, 1839, based on 15 speciments collected in Havana, Cuba, is presented. The shell, measuring 9.0 x 4,8mm to 12.3 x 6.4mm, is ovate-oblong, thin, diaphanous, horncolored, shining.
W. Lobato Paraense
doaj   +1 more source

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