Results 101 to 110 of about 436 (126)

THE EVOLUTION OF THE CEPHALASPIDEA (MOLLUSCA: GASTROPODA) AND ITS IMPLICATIONS TO THE ORIGINS AND PHYLOGENY OF THE OPISTHOBRANCHIA [PDF]

, 1978
GOSLINER, TERRENCE MILTON
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Opisthobranchs from the western Indian Ocean, with descriptions of two new species and ten new records (Mollusca, Gastropoda). [PDF]

Zookeys, 2012
Yonow N.
europepmc   +1 more source

The fauna of heterobranch gastropods of the littoral region [PDF]

Penca Kocjan, Maruša
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Interspecific variation in chemical defenses in the sea hares (Opisthobranchia: Anaspidea)

Journal of Experimental Marine Biology and Ecology, 1994
Most species of sea hares (Opisthobranchia: Anaspidea) sequester secondary metabolites from their algal diets in their digestive glands. Aplysia Juliana Quoy and Gaimard, 1832, a sea hare that feeds on Ulva spp. and Enteromorpha spp., algae with few or no secondary metabolites, were compared with the sympatric sea hares A.
Steven C Pennings
exaly   +2 more sources

Factors associated with oligophagy in two species of sea hares (Mollusca: Anaspidea)

Journal of Experimental Marine Biology and Ecology, 1995
Abstract Unlike most marine invertebrate herbivores, many sea hares (Genus Aplysia) are relatively specialised feeders. In order to assess the factors associated with narrow diet breadth of Aplysia parvula (Guilding) Morch and A. Juliana (Quoy & Gaimard) near Sydney N.S.W., occurrence of Aplysia spp.
Peter D Steinberg, Rocky de Nys
exaly   +2 more sources

Dietary nitrogen availability in macroalgae enhances growth of the sea hare Aplysia californica (Opisthobranchia: Anaspidea)

Journal of Experimental Marine Biology and Ecology, 2004
Abstract Evidence suggests that marine herbivores select for prey items with elevated nitrogen content. We tested this hypothesis with experimental growth studies of the herbivorous gastropod Aplysia californica offered diets of the rhodophyte Gracilaria ferox with varying nitrogen content. A.
Brian E Lapointe
exaly   +3 more sources

The possible role of acetylcholine in the rhythmicity of the crop of Aplysia dactylomela (Opisthobranchia: Anaspidea)

Comparative Biochemistry and Physiology Part C: Comparative Pharmacology, 1980
Abstract 1. The isolated crop of Aplysia dactylomela has a pattern of spontaneous activity comprised of 1st order small phasic contractions, 2nd order large tonic contractions and 3rd order slow changes in tonus. 2. Acetylcholine has a positively tonotropic effect on the crop with a threshold between 5 × 10−7 M and 5 × 10−6 M.
D W, Wells, R B, Hill
exaly   +3 more sources

Defense in sea hares (Gastropoda, Opisthobranchia, Anaspidea): Multiple layers of protection from egg to adult

Marine and Freshwater Behaviour and Physiology, 1999
P.M. Johnson, A.O. Dennis Willows
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Results of the Rumphius Biohistorical Expedition to Ambon (1990). Part 17. The Cephalaspidea, Anaspidea, Pleurobranchida, and Sacoglossa (Mollusca: Gastropoda: Heterobranchia)

Archiv Fur Molluskenkunde, 2018
Nathalie Yonow
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ON THE OCCURRENCE OF <italic>STYLOCHEILUS CITRINUS</italic> (OPISTHOBRANCHIA, ANASPIDEA) IN BRAZILIAN WATERS

Journal of Molluscan Studies, 1962
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