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A gravid fossil turtle from the Early Cretaceous reveals a different egg development strategy to that of extant marine turtles

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dc.creatorCadena, Edwin Albertospa
dc.creatorParra-Ruge M.L.spa
dc.creatorParra-Ruge J.D.D.spa
dc.creatorPadilla-Bernal S.spa
dc.date.accessioned2020-05-25T23:57:48Z
dc.date.available2020-05-25T23:57:48Z
dc.date.created2019spa
dc.description.abstractExtant sea turtles develop and lay pliable (flexible) eggs; however, it is unknown whether they inherited this reproductive strategy from their closer fossil relatives or if it represents an evolutionary novelty. Here, we describe the first undisputable gravid marine fossil turtle ever found, from the early Cretaceous of Colombia, belonging to Desmatochelys padillai Cadena and Parham, which constitutes a representative of the Protostegidae. Using thin sectioning of one of the eggs, as well as scanning electron microscopy coupled with elemental characterization, cathodoluminescence, and computer tomography, we established that Desmatochelys padillai produced rigid eggs similar to those associated with some extant and fossil freshwater and terrestrial turtles. At least 48 spherical eggs were preserved inside this gravid turtle. We suggest that the development of rigid eggs in the extinct marine turtle Desmatochelys padillai resulted as an adaptation for egg-embryo requirements dictated by the physical attributes of the nesting site. © The Palaeontological Associationeng
dc.format.mimetypeapplication/pdf
dc.identifier.doihttps://doi.org/10.1111/pala.12413
dc.identifier.issn14754983
dc.identifier.issn00310239
dc.identifier.urihttps://repository.urosario.edu.co/handle/10336/22746
dc.language.isoengspa
dc.publisherBlackwell Publishing Ltdspa
dc.relation.citationEndPage545
dc.relation.citationIssueNo. 4
dc.relation.citationStartPage533
dc.relation.citationTitlePalaeontology
dc.relation.citationVolumeVol. 62
dc.relation.ispartofPalaeontology, ISSN:14754983, 00310239, Vol.62, No.4 (2019); pp. 533-545spa
dc.relation.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85058822092&doi=10.1111%2fpala.12413&partnerID=40&md5=5e1f188bba2ad311d2fbb9b249031264spa
dc.rights.accesRightsinfo:eu-repo/semantics/openAccess
dc.rights.accesoAbierto (Texto Completo)spa
dc.source.instnameinstname:Universidad del Rosariospa
dc.source.reponamereponame:Repositorio Institucional EdocURspa
dc.subject.keywordAdaptationspa
dc.subject.keywordCretaceousspa
dc.subject.keywordEgg developmentspa
dc.subject.keywordFossilspa
dc.subject.keywordReproductive strategyspa
dc.subject.keywordTurtlespa
dc.subject.keywordColombiaspa
dc.subject.keywordCheloniidaespa
dc.subject.keywordProtostegidaespa
dc.subject.keywordTestudinesspa
dc.subject.keywordFossil eggsspa
dc.subject.keywordGravid turtlespa
dc.subject.keywordProtostegidaespa
dc.subject.keywordTestudinesspa
dc.subject.keywordVilla de leyvaspa
dc.titleA gravid fossil turtle from the Early Cretaceous reveals a different egg development strategy to that of extant marine turtlesspa
dc.typearticleeng
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersion
dc.type.spaArtículospa
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