The Pyramidellidae (Gastropoda, Heterobranchia) of Norway and adjacent waters. A taxonomic review
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A review on the taxonomic status and biological characteristics of the genus Carassius (Teleostei: Cyprinidae) in Iranian inland waters
The genus Carassius is a genus of the family Cyprinidae, that its species are important part of the ornamental fish industry in Iran. Due to the recent changes in the taxonomic status of the genus Carassius, it is necessary to review the taxonomic statues of its recorded populations in Iran. Therefore, the present study was conducted to provide an overview of the taxonomic status of the genus C...
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The evolution and diversification of euthyneuran slugs and snails was likely strongly influenced by habitat transitions from marine to terrestrial and limnic systems. Wellsupported euthyneuran phylogenies with detailed morphological data can provide information on the historical, biological and ecological background in which these habitat shifts took place allowing for comparison across taxa. A...
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Giant embryos and hatchlings of Antarctic nudibranchs (Mollusca: Gastropoda: Heterobranchia)
of development up to ready-to-hatch juveniles 2.5 mm in length. Based on their morphology and development in egg masses maintained in the laboratory, the embryonic period for B. hodgsoni is estimated to be up to 10 years, and for D. kerguelenensis 13 months. Thus, B. hodgsoni has the largest egg capsules and probably the largest hatchlings of any mollusc. Chemical analyses of D. kerguelenensis ...
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ژورنال
عنوان ژورنال: Fauna norvegica
سال: 2014
ISSN: 1891-5396,1502-4873
DOI: 10.5324/fn.v34i0.1672