The first record of Dinesus (Trilobita, Dinesidae) in the Cambrian of the Mediterranean region

An important problem facing inter-regional correlation in the Cambrian is the scarcity of shared taxa between different palaeogeographic domains. Currently, species of the Corynexochida are proposed as tools to define the base of Cambrian Series 3. However, few Mediterranean Corynexochida species ar...

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Bibliographic Details
Published in:Alcheringa (Sydney) 2011-03, Vol.35 (1), p.1-9
Main Authors: Gozalo, Rodolfo, Liñán, Eladio, Chirivella Martorell, Juan B.
Format: Article
Language:English
Subjects:
Acadobaltic province
biostratigraphy
correlation
Dinesus
Mediterranean region
middle Cambrian
systematics
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Summary:An important problem facing inter-regional correlation in the Cambrian is the scarcity of shared taxa between different palaeogeographic domains. Currently, species of the Corynexochida are proposed as tools to define the base of Cambrian Series 3. However, few Mediterranean Corynexochida species are known. A specimen of Dinesus truyolsi comb. nov. from the middle Cambrian of Spain represents the first record of this genus in the Acadobaltic province. Erbia and Tingyuania are accepted as junior subjective synonyms of Dinesus, and we now recognize 22 species within this genus. Dinesus has been found previously in lower to middle Cambrian strata of Australia, Russia, Kazakhstan, North America and China providing the potential for improved global correlation for this interval.
ISSN:0311-5518
1752-0754
DOI:10.1080/03115511003793520