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Evolutionary history of the genus Trisopterus

  • Elena G Gonzalez
  • Regina L Cunha
  • Rafael G Sevilla
  • Hamid R Ghanavi
  • Grigorios Krey
  • José M Bautista
Publishing year: 2012-03
Language: English
Pages: 1013-1018
Publication/Series: Molecular Phylogenetics and Evolution
Volume: 62
Issue: 3
Document type: Journal article
Publisher: Elsevier

Abstract english

The group of small poor cods and pouts from the genus Trisopterus, belonging to the Gadidae family, comprises four described benthopelagic species that occur across the North-eastern Atlantic, from the Baltic Sea to the coast of Morocco, and the Mediterranean. Here, we combined molecular data from mitochondrial (cytochrome b) and nuclear (rhodopsin) genes to confirm the taxonomic status of the described species and to disentangle the evolutionary history of the genus. Our analyses supported the monophyly of the genus Trisopterus and confirmed the recently described species Trisopterus capelanus. A relaxed molecular clock analysis estimated an Oligocene origin for the group (~30 million years ago; mya) indicating this genus as one of the most ancestral within the Gadidae family. The closure and re-opening of the Strait of Gibraltar after the Messinian Salinity Crisis (MSC) probably triggered the speciation process that resulted in the recently described T. capelanus.


  • Zoology
  • Evolutionary Biology
  • Acute-Phase Proteins
  • Animals
  • Biological Evolution
  • Cytochromes b
  • DNA, Mitochondrial
  • Demography
  • Gadiformes
  • Genetic Variation
  • Phylogeny
  • Phylogeography
  • Journal Article
  • Research Support, Non-U.S. Gov't


  • ISSN: 1095-9513
Hamid Ghanavi
E-mail: hamid [dot] ghanavi [at] biol [dot] lu [dot] se

Doctoral student



Research group

Systematic Biology Group




Main supervisor

Niklas Wahlberg

Assistant supervisor

Honor Prentice