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dc.contributor.author
Güller, Marina  
dc.contributor.author
Zelaya, Diego Gabriel  
dc.date.available
2018-06-11T16:49:26Z  
dc.date.issued
2017-03  
dc.identifier.citation
Güller, Marina; Zelaya, Diego Gabriel; New insigths into the diversity of rissoids from sub-antarctic and antarctic waters (Gastropoda: Rissooidea); Springer; Polar Biology; 40; 10; 3-2017; 1923-1937  
dc.identifier.issn
0722-4060  
dc.identifier.uri
http://hdl.handle.net/11336/48080  
dc.description.abstract
Molluscs have been regarded as one of the most extensively studied and better known marine invertebrates groups in sub-Antarctic and Antarctic benthic communities. In order to test this statement we address here the study of some species of the caenogastropod family Rissoidae, collected during several expeditions to Tierra del Fuego and the Scotia Arc. Currently, the local diversity of this family accounts for a total of 30 species, which were thoroughly revised mostly as part of two monographs. The present study provides new information on shell morphology, radulae and distribution for four of these species: Onoba fuegoensis (Strebel, 1908), O. delecta Ponder, 1983, O. klausgrohi Engl, 2011 and Haurakia averni Ponder and Worsfold, 1994; also contributes to a better understanding of the intraspecific variability of two other species: Onoba schythei (Philippi, 1868) and O. algida Ponder and Worsfold, 1994; and seven new species are described: Onoba clara, O. sandwichensis, O. verrucosa, O. antleri, O. caribu, O. oligochordata, and O. ernestoi. These new findings not only contribute to increase the number of species currently known from the studied area, and provide the first record of a species with multispiral protoconch, and the first record of a bathyal species from southern South America. Furthermore, as part of this study the presence of ?antler-like? marginal teeth is reported for two species, a condition thus far not reported for any other Rissoidae. This study highlights that, even being one of the most intensively studied marine invertebrate groups, molluscs from the Sub-Antarctic and Antarctic waters still remain scarcely known.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Springer  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Antarctica  
dc.subject
Southwestern Atlantic  
dc.subject
Rissoidae  
dc.subject
Mollusca  
dc.subject.classification
Otras Ciencias Biológicas  
dc.subject.classification
Ciencias Biológicas  
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS  
dc.title
New insigths into the diversity of rissoids from sub-antarctic and antarctic waters (Gastropoda: Rissooidea)  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2018-06-04T13:52:55Z  
dc.identifier.eissn
1096-0031  
dc.journal.volume
40  
dc.journal.number
10  
dc.journal.pagination
1923-1937  
dc.journal.pais
Alemania  
dc.journal.ciudad
Berlin  
dc.description.fil
Fil: Güller, Marina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; Argentina  
dc.description.fil
Fil: Zelaya, Diego Gabriel. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Biodiversidad y Biología Experimental; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina  
dc.journal.title
Polar Biology  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1007/s00300-017-2108-1  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007%2Fs00300-017-2108-1