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A New Species of Placida (Gastropoda: Sacoglossa) from Southern South America
Malacologia, 2021Heterobranch sea slugs exhibit a wide range of body shapes, sizes and color patterns. The genus Placida (Sacoglossa) includes cryptic species, and in 2019 four species were recovered through molecular studies. Specimens of Placida collected in the Argentinian Sea (San Matias Gulf, Patagonia) between 2016 and 2019 are shown to belong to an undescribed ...
Cetra, Nicolás +2 more
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The Biological Bulletin, 2010
Sacoglossan sea slugs retain the chloroplasts from food algae in their cells (kleptoplasty) and obtain the photosynthetic products, but the capability of kleptoplasty differs among species. One evolutionary hypothesis for kleptoplasty is that the family Volvatellidae is the ancestral sacoglossan lineage in which kleptoplasty arose, but this is based on
Taro, Maeda +3 more
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Sacoglossan sea slugs retain the chloroplasts from food algae in their cells (kleptoplasty) and obtain the photosynthetic products, but the capability of kleptoplasty differs among species. One evolutionary hypothesis for kleptoplasty is that the family Volvatellidae is the ancestral sacoglossan lineage in which kleptoplasty arose, but this is based on
Taro, Maeda +3 more
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Organisms Diversity and Evolution, 2014
Sacoglossa is a rather small taxon of marine slugs with about 300 described species, yet it is quite fascinating scientists for decades. This is mainly because of the ability of certain species to incorporate photosynthetically active plastids of their algae prey, a phenomenon known as functional kleptoplasty.
Heike Wägele +2 more
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Sacoglossa is a rather small taxon of marine slugs with about 300 described species, yet it is quite fascinating scientists for decades. This is mainly because of the ability of certain species to incorporate photosynthetically active plastids of their algae prey, a phenomenon known as functional kleptoplasty.
Heike Wägele +2 more
exaly +2 more sources
Comparison of Alimentary Systems in Shelled and Non‐shelled Sacoglossa (Mollusca, Opisthobranchia)
Acta Zoologica, 1991AbstractThe Sacoglossa (= Ascoglossa) comprise a ‘complete’ evolutionary series from species with a large shell into which the animal can withdraw completely, through species with a reduced shell covering only the visceral mass, to shell‐less (‘nudibranchiate’) forms some of which have lateral wing‐like extensions, parapodia, others bearing leaf‐like ...
Kathe Rose Jensen
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“Chloroplast symbiosis” and the extent to which it occurs in Sacoglossa (Gastropoda: Mollusca)
Biological Journal of the Linnean Society, 1974Criteria for defining “chloroplast symbiosis” are outlined. Investigations are described into the presence or absence of chloroplast symbiosis in Limapontia capitata,“pale” and “dark” forms of L. depressa, Alderia modesta and Elysia viridis. Apart from E. viridis, only “pale” forms of L. depressa showed signs of the phenomenon.
ROSALIND HINDE, D. C. SMITH
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Zootaxa, 2016
The Caribbean is a biodiversity hotspot for photosynthetic sea slugs, with about 27 described species in the genus Elysia Risso, 1818. However, many species are poorly known or have complex taxonomic histories, complicating assessments of regional biodiversity and impeding studies of plastid symbiosis, speciation, and larval biology.
Krug, Patrick J. +2 more
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The Caribbean is a biodiversity hotspot for photosynthetic sea slugs, with about 27 described species in the genus Elysia Risso, 1818. However, many species are poorly known or have complex taxonomic histories, complicating assessments of regional biodiversity and impeding studies of plastid symbiosis, speciation, and larval biology.
Krug, Patrick J. +2 more
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The diaphanidae as a possible sister group of the sacoglossa (gastropoda, opisthobranchia)
1995Abstract The family Diaphanidae has been proclaimed as the “ancestor” of the Sacoglossa for many years (Odhner, 1926, 1937, 1939; Boettger, 1954, 1963; Ghiselin, 1966; Gascoigne and Sartory, 1974; Salvini-Plawen, 1990). The similarity between the genus Newnesia Smith and the sacoglossan family Oxynoidae (then Lophocercidae) was noted ...
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Nature, 1969
THE sacoglossan opisthobranch gastropod Tridachia crispata (Bergh) was reported by Yonge and Nicholas1 to have symbiotic unicellular zooxanthellae (Dinophyceae). It was suggested that there was a functional relationship between the algae and the marine slugs.
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THE sacoglossan opisthobranch gastropod Tridachia crispata (Bergh) was reported by Yonge and Nicholas1 to have symbiotic unicellular zooxanthellae (Dinophyceae). It was suggested that there was a functional relationship between the algae and the marine slugs.
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The internal anatomy of Stiliger fuscatus (A. Gould, 1870) (Opisthobranchia: Sacoglossa)
Zoological Journal of the Linnean Society, 1978The central nervous system of Stiliger fuscatus has two ganglia on the visceral loop. The superficial buccal musculature includes an ascus muscle; its contraction drives the lower limb of the radula in the action of piercing an algal wall. The reproductive system is described in functional terms and related to those of other species of the family ...
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Phagocytosis of chloroplasts in Placida dendritica (Gastropoda: Sacoglossa)
Journal of Experimental Zoology, 1976AbstractPhagocytosis of algal chloroplasts by digestive gland cells in the sacoglossan opisthobranch Placida dendritica is described. It is suggested that engulfment of chloroplasts is accomplished by veils of cytoplasm which are derived from elongating microvilli.
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