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A blind trilobite with Baltic affinities from Cambrian Series 3 of the Iberian Chains, Spain, and its stratigraphical and palaeobiogeographical significance

Chirivella Martorell, Juan B. ; Linan, Eladio ; Ahlberg, Per LU and Gozalo, Rodolfo (2015) In GFF 137(3). p.175-180
Abstract
Three cranidia of a conocoryphid trilobite are described from the lower Caesaraugustan Regional Stage (upper part of provisional Cambrian Stage 5 within Cambrian Series 3) in the Iberian Chains, Spain. The material is from the upper part of the Mansilla Formation and the base of the overlying Murero Formation. It closely resembles Bailiella tenuicincta (Linnarsson, 1879), which has previously been described from the Ptychagnostus gibbus (Cambrian Stage 5) and lower P. atavus zones (lower Drumian Stage) of Baltica (Sweden and Bornholm), and from the P. atavus Zone of West Avalonia (Newfoundland). The record of B. cf. tenuicincta from the Mediterranean margin of West Gondwana provides additional evidence for considering the Acado-Baltic... (More)
Three cranidia of a conocoryphid trilobite are described from the lower Caesaraugustan Regional Stage (upper part of provisional Cambrian Stage 5 within Cambrian Series 3) in the Iberian Chains, Spain. The material is from the upper part of the Mansilla Formation and the base of the overlying Murero Formation. It closely resembles Bailiella tenuicincta (Linnarsson, 1879), which has previously been described from the Ptychagnostus gibbus (Cambrian Stage 5) and lower P. atavus zones (lower Drumian Stage) of Baltica (Sweden and Bornholm), and from the P. atavus Zone of West Avalonia (Newfoundland). The record of B. cf. tenuicincta from the Mediterranean margin of West Gondwana provides additional evidence for considering the Acado-Baltic region a discrete biogeographical province, at least during the Cambrian 5 and Drumian ages. (Less)
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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Trilobites, Conocoryphidae, systematics, correlation, palaeobiogeography, middle Cambrian, Iberian Chains, Spain
in
GFF
volume
137
issue
3
pages
175 - 180
publisher
Taylor & Francis
external identifiers
  • wos:000362516800003
  • scopus:84943642559
ISSN
2000-0863
DOI
10.1080/11035897.2015.1061593
language
English
LU publication?
yes
id
b64d710e-3061-453b-822f-90e30043176a (old id 8220538)
date added to LUP
2016-04-01 11:16:13
date last changed
2025-04-04 15:27:56
@article{b64d710e-3061-453b-822f-90e30043176a,
  abstract     = {{Three cranidia of a conocoryphid trilobite are described from the lower Caesaraugustan Regional Stage (upper part of provisional Cambrian Stage 5 within Cambrian Series 3) in the Iberian Chains, Spain. The material is from the upper part of the Mansilla Formation and the base of the overlying Murero Formation. It closely resembles Bailiella tenuicincta (Linnarsson, 1879), which has previously been described from the Ptychagnostus gibbus (Cambrian Stage 5) and lower P. atavus zones (lower Drumian Stage) of Baltica (Sweden and Bornholm), and from the P. atavus Zone of West Avalonia (Newfoundland). The record of B. cf. tenuicincta from the Mediterranean margin of West Gondwana provides additional evidence for considering the Acado-Baltic region a discrete biogeographical province, at least during the Cambrian 5 and Drumian ages.}},
  author       = {{Chirivella Martorell, Juan B. and Linan, Eladio and Ahlberg, Per and Gozalo, Rodolfo}},
  issn         = {{2000-0863}},
  keywords     = {{Trilobites; Conocoryphidae; systematics; correlation; palaeobiogeography; middle Cambrian; Iberian Chains; Spain}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{175--180}},
  publisher    = {{Taylor & Francis}},
  series       = {{GFF}},
  title        = {{A blind trilobite with Baltic affinities from Cambrian Series 3 of the Iberian Chains, Spain, and its stratigraphical and palaeobiogeographical significance}},
  url          = {{http://dx.doi.org/10.1080/11035897.2015.1061593}},
  doi          = {{10.1080/11035897.2015.1061593}},
  volume       = {{137}},
  year         = {{2015}},
}