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dc.contributor.author
Cuezzo, Maria Gabriela
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dc.contributor.author
Miranda, Maria Jose
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dc.date.available
2019-05-15T14:06:09Z
dc.date.issued
2009-12
dc.identifier.citation
Cuezzo, Maria Gabriela; Miranda, Maria Jose; Systematic position and anatomy of Drepanostomella tucma Hylton Scott, 1948 (Stylommatophora: Scolodontidae); Conchological Society of Great Britain and Ireland. Courtauld Institute of Biochemistry; Journal of Conchology; 39; 6; 12-2009; 683-692
dc.identifier.issn
0022-0019
dc.identifier.uri
http://hdl.handle.net/11336/76334
dc.description.abstract
We redescribe Drepanostomella tucma Hylton Scott, 1948 and discuss the possible affinities of the genus. This is the first published report on the anatomy of a species of the genus Drepanostomella Bourguignat, 1889 since this taxon was previously known only on the basis of its shell morphology and radula. Drepanostomella was traditionally classified within Systrophiidae (now Scolodontidae), a widely distributed family in the Neotropical region. D. tucma is characterized by its deep sunken spire in a nautiloid shell, smooth protoconch, nacreous periostracum and an acute incision at parietal angle of the aperture. The animal has a holopod foot, while most of the other genera components of the family have an aulacopod foot. The radula has a central small tooth with the first lateral tooth smaller than the second one. Noteworthy is the presence of papilla regularly arranged with slightly recurved corneous hooks over the inner penis wall. Similar protuberances with corneous hooks have been already described in a Hirtudiscus Hylton Scott, 1948. Drepanostomella shows shell similarities mainly with Hirtudiscus and Guestieria Crosse, 1872. On the base of its radula morphology, its condition of "egg retainer" and the course of the right ommatophoral retractor passing between penis and vagina, Drepanostomella should be classified within the Scolodontinae (sensu Tillier, 1980). Differences and similarities of Drepanostomella with Happia Bourguignat, 1889, Systrophia Pfeiffer, 1855, Entodina Ancey, 1887 and Systrophiella, Baker, 1925, the rest of the Scolodontinae genera (sensu Tillier, 1980), are discussed. However, more anatomical studies and a cladistic analysis are necessary to further test these proposed affinities.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Conchological Society of Great Britain and Ireland. Courtauld Institute of Biochemistry
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
South America
dc.subject
Scolodontidae
dc.subject
Systrophiidae
dc.subject
Radula
dc.subject.classification
Otras Ciencias Biológicas
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Systematic position and anatomy of Drepanostomella tucma Hylton Scott, 1948 (Stylommatophora: Scolodontidae)
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-04-23T17:53:10Z
dc.journal.volume
39
dc.journal.number
6
dc.journal.pagination
683-692
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Cuezzo, Maria Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucuman. Instituto de Biodiversidad Neotropical. Universidad Nacional de Tucuman. Facultad de Ciencias Naturales e Instituto Miguel Lillo. Instituto de Biodiversidad Neotropical. Instituto de Biodiversidad Neotropical; Argentina
dc.description.fil
Fil: Miranda, Maria Jose. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucuman. Instituto de Biodiversidad Neotropical. Universidad Nacional de Tucuman. Facultad de Ciencias Naturales e Instituto Miguel Lillo. Instituto de Biodiversidad Neotropical. Instituto de Biodiversidad Neotropical; Argentina
dc.journal.title
Journal of Conchology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.conchsoc.org/node/4813
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.conchsoc.org/resources/show-abstract-39.php%3Fid%3D%20161
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