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The trilobite Serrodiscus Richter & Richter from Iberia, with systematic review of the genus and its international correlation through the Cambrian Series 2

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The trilobite Serrodiscus Richter & Richter from Iberia, with systematic review of the genus and its international correlation through the Cambrian Series 2

dc.contributor.author	Collantes, Luis
dc.contributor.author	Mayoral, E.
dc.contributor.author	Liñán, Eladio
dc.contributor.author	Gozalo Gutiérrez, Rodolfo
dc.contributor.author	Pereira, Sofia
dc.date.accessioned	2022-10-10T16:06:19Z
dc.date.available	2022-10-10T16:06:19Z
dc.date.issued	2022
dc.identifier.citation	Collantes, Luis Mayoral, E. Liñán, Eladio Gozalo Gutiérrez, Rodolfo Pereira, Sofia 2022 The trilobite Serrodiscus Richter & Richter from Iberia, with systematic review of the genus and its international correlation through the Cambrian Series 2 Bulletin Of Geosciences 97 3 289 317
dc.identifier.uri	https://hdl.handle.net/10550/84156
dc.description.abstract	Serrodiscus is considered one of the first trilobite genera showing global distribution during the Cambrian and a key component for the international correlation of this period. However, this genus encompasses many poorly documented species, ambiguous diagnoses or characters that depend on taphonomy and deformation based on one single specimen. Thus, in the present work, we carry out a systematic overview of the genus, evaluating the taphonomic and deformational variability of a large number of specimens from the same locality and horizon. In addition, and due to the difficulty of making synonymy decisions, closely related species are grouped into three different groups taking into consideration morphologic, stratigraphic and palaeobiogeographic data: bellimarginatus group, scattered along Avalonian and western Gondwanan margins; speciosus group, extending over the Laurentian domain; and daedalus group, being restricted to eastern Gondwana (Australia), North China and, partially, Siberia. Besides, the regional correlation through the early Cambrian of Iberia is arranged, describing specimens from both Ossa-Morena and Central Iberian zones, with a time interval restricted to the upper Marianian Stage. Regarding the biostratigraphy and palaeobiogeography of the genus, Serrodiscus has been reported from Laurentia, Taconic Allochthon, Greenland, Baltica, western and eastern Avalonia, western Gondwana margin, Siberia, North China and eastern Gondwana, with a temporal distribution along with the Cambrian Series 2.
dc.language.iso	eng
dc.relation.ispartof	Bulletin Of Geosciences, 2022, vol. 97, num. 3, p. 289-317
dc.subject	Paleontologia
dc.subject	Vertebrats fòssils
dc.title	The trilobite Serrodiscus Richter & Richter from Iberia, with systematic review of the genus and its international correlation through the Cambrian Series 2
dc.type	journal article	es_ES
dc.date.updated	2022-10-10T16:06:19Z
dc.identifier.doi	10.3140/bull.geosci.1852
dc.identifier.idgrec	154860
dc.rights.accessRights	open access	es_ES