Systematic position and anatomy of Drepanostomella tucma Hylton Scott, 1948 (Stylommatophora: Scolodontidae)

Autores
Cuezzo, Maria Gabriela; Miranda, Maria Jose
Año de publicación
2009
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
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.
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
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
Materia
South America
Scolodontidae
Systrophiidae
Radula
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/76334
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/76334
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network_name_str CONICET Digital (CONICET)
spelling Systematic position and anatomy of Drepanostomella tucma Hylton Scott, 1948 (Stylommatophora: Scolodontidae)Cuezzo, Maria GabrielaMiranda, Maria JoseSouth AmericaScolodontidaeSystrophiidaeRadulahttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1We 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.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; ArgentinaFil: 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; ArgentinaConchological Society of Great Britain and Ireland. Courtauld Institute of Biochemistry2009-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/76334Cuezzo, 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; 683-6920022-0019CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://www.conchsoc.org/node/4813info:eu-repo/semantics/altIdentifier/url/http://www.conchsoc.org/resources/show-abstract-39.php%3Fid%3D%20161info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T15:08:18Zoai:ri.conicet.gov.ar:11336/76334instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-15 15:08:18.676CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Systematic position and anatomy of Drepanostomella tucma Hylton Scott, 1948 (Stylommatophora: Scolodontidae)
title Systematic position and anatomy of Drepanostomella tucma Hylton Scott, 1948 (Stylommatophora: Scolodontidae)
spellingShingle Systematic position and anatomy of Drepanostomella tucma Hylton Scott, 1948 (Stylommatophora: Scolodontidae)
Cuezzo, Maria Gabriela
South America
Scolodontidae
Systrophiidae
Radula
title_short Systematic position and anatomy of Drepanostomella tucma Hylton Scott, 1948 (Stylommatophora: Scolodontidae)
title_full Systematic position and anatomy of Drepanostomella tucma Hylton Scott, 1948 (Stylommatophora: Scolodontidae)
title_fullStr Systematic position and anatomy of Drepanostomella tucma Hylton Scott, 1948 (Stylommatophora: Scolodontidae)
title_full_unstemmed Systematic position and anatomy of Drepanostomella tucma Hylton Scott, 1948 (Stylommatophora: Scolodontidae)
title_sort Systematic position and anatomy of Drepanostomella tucma Hylton Scott, 1948 (Stylommatophora: Scolodontidae)
dc.creator.none.fl_str_mv Cuezzo, Maria Gabriela
Miranda, Maria Jose
author Cuezzo, Maria Gabriela
author_facet Cuezzo, Maria Gabriela
Miranda, Maria Jose
author_role author
author2 Miranda, Maria Jose
author2_role author
dc.subject.none.fl_str_mv South America
Scolodontidae
Systrophiidae
Radula
topic South America
Scolodontidae
Systrophiidae
Radula
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv 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.
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
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
description 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.
publishDate 2009
dc.date.none.fl_str_mv 2009-12
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/76334
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
0022-0019
CONICET Digital
CONICET
url http://hdl.handle.net/11336/76334
identifier_str_mv 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
0022-0019
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.conchsoc.org/node/4813
info:eu-repo/semantics/altIdentifier/url/http://www.conchsoc.org/resources/show-abstract-39.php%3Fid%3D%20161
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Conchological Society of Great Britain and Ireland. Courtauld Institute of Biochemistry
publisher.none.fl_str_mv Conchological Society of Great Britain and Ireland. Courtauld Institute of Biochemistry
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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