Dental histology and attachment tissues in Notosuchus terrestris (Crocodyliformes, Notosuchia): palaeobiological implications

Autores
Navarro, Tamara Giselle; Cerda, Ignacio Alejandro; Barrios, Francisco; Pol, Diego
Año de publicación
2022
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Notosuchia represents a highly diverse lineage of Crocodyliformes usually characterized by the presence of a heterodont dentition. Although the dental anatomy has been thor-oughly analysed in some taxa, information regarding tooth microstructure and dental attachment tissue are still poorly explored. With the purpose to obtain new data regarding feeding habits, tooth growth rates and nature of the dental attachment in notosuchians, here we describe and interpret the microstructure of the tooth and tooth attachment tissues of Notosuchus terrestris from the Late Cretaceous of Argentina (MPCA-PV 250). We found that the relative and absolute enamel thickness of Notosuchus is more similar to the one reported for carnivorous notosuchians (e.g. Baurusuchidae). The den-tine microstructure allowed us to infer that the tooth growth rates of Notosuchus are reduced in comparison with other notosuchians. The tooth attachment of Notosuchus corresponds with a typical gomphosis, which involves the presence of cementum, alveo-lar bone, and periodontal ligamentum. The spatial arrangement of these tissues exhibits the plesiomorphic condition for archosaurs and the new data supports a high degree of conservatism of this feature. The data available on the absolute and relative cementum thickness reveals that Notosuchus exhibits the highest values of absolute and relative cementum thickness among the analysed crocodyliforms. Different from other archo-saurs, in which alveolar bone is only formed by woven fibred bone, the alveolar bone of our specimen is formed by both woven and parallel fibred bone, which indicates local variations in the rates of the alveolar bone formation.
Fil: Navarro, Tamara Giselle. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigación en Paleobiología y Geología; Argentina
Fil: Cerda, Ignacio Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigación en Paleobiología y Geología; Argentina
Fil: Barrios, Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Provincia de Neuquén. Ministerio de Energía, Ambiente y Servicios Públicos. Dirección Provincial de Minería. Museo Provincial de Ciencias Naturales Prof. "Dr. Juan A. Olsacher"; Argentina
Fil: Pol, Diego. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Museo Paleontológico Egidio Feruglio; Argentina
Materia
ATTACHMENT TISSUES
DENTAL GROWTH RATE
DENTAL HIS-TOLOGY
FEEDING HABITS
NOTOSUCHIA
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:11336/196925
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/196925
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Dental histology and attachment tissues in Notosuchus terrestris (Crocodyliformes, Notosuchia): palaeobiological implicationsNavarro, Tamara GiselleCerda, Ignacio AlejandroBarrios, FranciscoPol, DiegoATTACHMENT TISSUESDENTAL GROWTH RATEDENTAL HIS-TOLOGYFEEDING HABITSNOTOSUCHIAhttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1Notosuchia represents a highly diverse lineage of Crocodyliformes usually characterized by the presence of a heterodont dentition. Although the dental anatomy has been thor-oughly analysed in some taxa, information regarding tooth microstructure and dental attachment tissue are still poorly explored. With the purpose to obtain new data regarding feeding habits, tooth growth rates and nature of the dental attachment in notosuchians, here we describe and interpret the microstructure of the tooth and tooth attachment tissues of Notosuchus terrestris from the Late Cretaceous of Argentina (MPCA-PV 250). We found that the relative and absolute enamel thickness of Notosuchus is more similar to the one reported for carnivorous notosuchians (e.g. Baurusuchidae). The den-tine microstructure allowed us to infer that the tooth growth rates of Notosuchus are reduced in comparison with other notosuchians. The tooth attachment of Notosuchus corresponds with a typical gomphosis, which involves the presence of cementum, alveo-lar bone, and periodontal ligamentum. The spatial arrangement of these tissues exhibits the plesiomorphic condition for archosaurs and the new data supports a high degree of conservatism of this feature. The data available on the absolute and relative cementum thickness reveals that Notosuchus exhibits the highest values of absolute and relative cementum thickness among the analysed crocodyliforms. Different from other archo-saurs, in which alveolar bone is only formed by woven fibred bone, the alveolar bone of our specimen is formed by both woven and parallel fibred bone, which indicates local variations in the rates of the alveolar bone formation.Fil: Navarro, Tamara Giselle. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigación en Paleobiología y Geología; ArgentinaFil: Cerda, Ignacio Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigación en Paleobiología y Geología; ArgentinaFil: Barrios, Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Provincia de Neuquén. Ministerio de Energía, Ambiente y Servicios Públicos. Dirección Provincial de Minería. Museo Provincial de Ciencias Naturales Prof. "Dr. Juan A. Olsacher"; ArgentinaFil: Pol, Diego. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Museo Paleontológico Egidio Feruglio; ArgentinaScandinavian University Press2022-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/196925Navarro, Tamara Giselle; Cerda, Ignacio Alejandro; Barrios, Francisco; Pol, Diego; Dental histology and attachment tissues in Notosuchus terrestris (Crocodyliformes, Notosuchia): palaeobiological implications; Scandinavian University Press; Lethaia; 55; 1; 5-2022; 1-100024-1164CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.18261/let.55.1.10info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:01:21Zoai:ri.conicet.gov.ar:11336/196925instacron: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:34982025-10-22 11:01:21.724CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Dental histology and attachment tissues in Notosuchus terrestris (Crocodyliformes, Notosuchia): palaeobiological implications
title Dental histology and attachment tissues in Notosuchus terrestris (Crocodyliformes, Notosuchia): palaeobiological implications
spellingShingle Dental histology and attachment tissues in Notosuchus terrestris (Crocodyliformes, Notosuchia): palaeobiological implications
Navarro, Tamara Giselle
ATTACHMENT TISSUES
DENTAL GROWTH RATE
DENTAL HIS-TOLOGY
FEEDING HABITS
NOTOSUCHIA
title_short Dental histology and attachment tissues in Notosuchus terrestris (Crocodyliformes, Notosuchia): palaeobiological implications
title_full Dental histology and attachment tissues in Notosuchus terrestris (Crocodyliformes, Notosuchia): palaeobiological implications
title_fullStr Dental histology and attachment tissues in Notosuchus terrestris (Crocodyliformes, Notosuchia): palaeobiological implications
title_full_unstemmed Dental histology and attachment tissues in Notosuchus terrestris (Crocodyliformes, Notosuchia): palaeobiological implications
title_sort Dental histology and attachment tissues in Notosuchus terrestris (Crocodyliformes, Notosuchia): palaeobiological implications
dc.creator.none.fl_str_mv Navarro, Tamara Giselle
Cerda, Ignacio Alejandro
Barrios, Francisco
Pol, Diego
author Navarro, Tamara Giselle
author_facet Navarro, Tamara Giselle
Cerda, Ignacio Alejandro
Barrios, Francisco
Pol, Diego
author_role author
author2 Cerda, Ignacio Alejandro
Barrios, Francisco
Pol, Diego
author2_role author
author
author
dc.subject.none.fl_str_mv ATTACHMENT TISSUES
DENTAL GROWTH RATE
DENTAL HIS-TOLOGY
FEEDING HABITS
NOTOSUCHIA
topic ATTACHMENT TISSUES
DENTAL GROWTH RATE
DENTAL HIS-TOLOGY
FEEDING HABITS
NOTOSUCHIA
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Notosuchia represents a highly diverse lineage of Crocodyliformes usually characterized by the presence of a heterodont dentition. Although the dental anatomy has been thor-oughly analysed in some taxa, information regarding tooth microstructure and dental attachment tissue are still poorly explored. With the purpose to obtain new data regarding feeding habits, tooth growth rates and nature of the dental attachment in notosuchians, here we describe and interpret the microstructure of the tooth and tooth attachment tissues of Notosuchus terrestris from the Late Cretaceous of Argentina (MPCA-PV 250). We found that the relative and absolute enamel thickness of Notosuchus is more similar to the one reported for carnivorous notosuchians (e.g. Baurusuchidae). The den-tine microstructure allowed us to infer that the tooth growth rates of Notosuchus are reduced in comparison with other notosuchians. The tooth attachment of Notosuchus corresponds with a typical gomphosis, which involves the presence of cementum, alveo-lar bone, and periodontal ligamentum. The spatial arrangement of these tissues exhibits the plesiomorphic condition for archosaurs and the new data supports a high degree of conservatism of this feature. The data available on the absolute and relative cementum thickness reveals that Notosuchus exhibits the highest values of absolute and relative cementum thickness among the analysed crocodyliforms. Different from other archo-saurs, in which alveolar bone is only formed by woven fibred bone, the alveolar bone of our specimen is formed by both woven and parallel fibred bone, which indicates local variations in the rates of the alveolar bone formation.
Fil: Navarro, Tamara Giselle. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigación en Paleobiología y Geología; Argentina
Fil: Cerda, Ignacio Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigación en Paleobiología y Geología; Argentina
Fil: Barrios, Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Provincia de Neuquén. Ministerio de Energía, Ambiente y Servicios Públicos. Dirección Provincial de Minería. Museo Provincial de Ciencias Naturales Prof. "Dr. Juan A. Olsacher"; Argentina
Fil: Pol, Diego. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Museo Paleontológico Egidio Feruglio; Argentina
description Notosuchia represents a highly diverse lineage of Crocodyliformes usually characterized by the presence of a heterodont dentition. Although the dental anatomy has been thor-oughly analysed in some taxa, information regarding tooth microstructure and dental attachment tissue are still poorly explored. With the purpose to obtain new data regarding feeding habits, tooth growth rates and nature of the dental attachment in notosuchians, here we describe and interpret the microstructure of the tooth and tooth attachment tissues of Notosuchus terrestris from the Late Cretaceous of Argentina (MPCA-PV 250). We found that the relative and absolute enamel thickness of Notosuchus is more similar to the one reported for carnivorous notosuchians (e.g. Baurusuchidae). The den-tine microstructure allowed us to infer that the tooth growth rates of Notosuchus are reduced in comparison with other notosuchians. The tooth attachment of Notosuchus corresponds with a typical gomphosis, which involves the presence of cementum, alveo-lar bone, and periodontal ligamentum. The spatial arrangement of these tissues exhibits the plesiomorphic condition for archosaurs and the new data supports a high degree of conservatism of this feature. The data available on the absolute and relative cementum thickness reveals that Notosuchus exhibits the highest values of absolute and relative cementum thickness among the analysed crocodyliforms. Different from other archo-saurs, in which alveolar bone is only formed by woven fibred bone, the alveolar bone of our specimen is formed by both woven and parallel fibred bone, which indicates local variations in the rates of the alveolar bone formation.
publishDate 2022
dc.date.none.fl_str_mv 2022-05
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/11336/196925
Navarro, Tamara Giselle; Cerda, Ignacio Alejandro; Barrios, Francisco; Pol, Diego; Dental histology and attachment tissues in Notosuchus terrestris (Crocodyliformes, Notosuchia): palaeobiological implications; Scandinavian University Press; Lethaia; 55; 1; 5-2022; 1-10
0024-1164
CONICET Digital
CONICET
url http://hdl.handle.net/11336/196925
identifier_str_mv Navarro, Tamara Giselle; Cerda, Ignacio Alejandro; Barrios, Francisco; Pol, Diego; Dental histology and attachment tissues in Notosuchus terrestris (Crocodyliformes, Notosuchia): palaeobiological implications; Scandinavian University Press; Lethaia; 55; 1; 5-2022; 1-10
0024-1164
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.18261/let.55.1.10
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
dc.publisher.none.fl_str_mv Scandinavian University Press
publisher.none.fl_str_mv Scandinavian University Press
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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score 12.982451

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