Results 131 to 140 of about 386 (157)

THE DIRECT DEVELOPMENT IN RUNCINA SETOENSIS BABA (OPISTHOBRANCHIA-CEPHALASPIDEA) [PDF]

open access: yesPublications of the Seto Marine Biological Laboratory, 1959
Kikutaro Baba   +2 more
exaly   +2 more sources
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Behavioral thermoregulation of Bulla gouldiana (Gastropoda: Opisthobranchia: Cephalaspidea)

Journal of Thermal Biology, 1996
Abstract 1. 1. The preferred temperature of Bulla gouldiana is 26.7–28.7°C. 2. 2. In constant scotophase, photophase, and light and dark photoperiod the organisms do not have a diel cycle of thermoregulation. 3. 3. It takes the animal 6–16 h to reach the preferred temperature. 4. 4.
Fernando Díaz Herrera   +3 more
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Unmasking Antarctic mollusc lineages: novel evidence from philinoid snails (Gastropoda: Cephalaspidea)

Cladistics, 2019
AbstractSince its introduction, the genus Philine has epitomized numerous mollusc snails with strong morphological convergence. Recently, a molecular analysis including a wide taxon sampling split this group into four non‐sister families. Although they are especially diverse in cold and deep waters, no comprehensive studies are available for the ...
Juan Moles   +2 more
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Phylogeny of the family Aglajidae (Pilsbry, 1895) (Heterobranchia: Cephalaspidea) inferred from mtDNA and nDNA

Molecular Phylogenetics and Evolution, 2014
The family Aglajidae includes several species of benthic, carnivorous cephalaspidean sea slugs, which generally lack a radula, have an internal shell, a posterior shield with short to moderate caudal lobes, and sensory cilia present on the head. The present study reports a phylogenetic analysis of the Aglajidae based on the mitochondrial genes 16S and ...
Yolanda E, Camacho-García   +3 more
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A New Cryptic Species of Melanochlamys (Gastropoda: Heterobranchia: Cephalaspidea) from the Northwestern Pacific

American Malacological Bulletin, 2016
Abstract: A new species of Melanochlamys is described based on specimens collected in Russia and Korea. This new species is genetically and anatomically different from other North Pacific species. Phylogenetic analyses of two mitochondrial (COI, 16S) and a nuclear (H3) gene confirmed the results of previous analyses and recovered a clade including ...
Eric Breslau   +2 more
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Histological, histochemical, and ultrastructural investigation of the male copulatory apparatus of Haminoea navicula (Gastropoda, Cephalaspidea)

Journal of Morphology, 2018
AbstractDue to its biological and systematic importance, the morphology and function of the male copulatory apparatus of Haminoea navicula, a Cephalaspidea gastropod mollusk, was investigated by light and electron microscopy. These systems are poorly understood in haminoids, but are often used in the taxonomy of the genus. In H.
Alexandre Lobo‐da‐Cunha   +3 more
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Diet and feeding biology of Haminoea orbygniana (Mollusca: Gastropoda: Cephalaspidea)

Journal of the Marine Biological Association of the United Kingdom, 2004
The diet and functional biology of the digestive system of the cephalaspidean gastropod Haminoea orbygniana was investigated by gut content analysis of animals collected in the Ria Formosa, a coastal lagoon in southern Portugal. The results show that this species is herbivorous, stenophagic and probably non-selective, feeding mainly on diatoms (67·61%)
Manuel António E. Malaquias   +3 more
openaire   +1 more source

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