Biogeografía histórica de los calamares de la familia Loliginidae (Teuthoidea: Myopsida)

Patricio M. Ulloa, Cristián E. Hernández, Reinaldo J. Rivera, Christian M. Ibáñez

Resultado de la investigación: Contribución a la publicaciónArticle

Resumen

According to the vicariant hypothesis proposed by Brakoniecki (1986) the closure of the Sea of Tethys and the opening of the Atlantic Ocean would play an important role in the history of squids of the family Loliginidae, which is reflected in its current neritic distribution. Our study evaluated this hypothesis and alternative ideas to understand the historical biogeography of loliginid squids. This work is based on a phylogenetic hypothesis rebuilt with mitochondrial and nuclear sequences that incorporates the estimation of divergence times and ancestral distribution. Our results sustain that the squids of the family Loliginidae would have originated in the Western Pacific during the Late Paleocene about 59 My, following, during their diversification, at least 20 dispersion and 6 vicariant events. The first vicariant event fragments the ancestral distribution, remaining the ancestor of Sepioteuthis in the south and the subfamily Loligininae in the north. Successive events of dispersion, and some of vicariance (unrelated with the movement of tectonic plates and opening of the Atlantic Ocean), modeled it distribution. Our inference suggest a different origin compared to proposed by Brakoniecki (Tethys Sea), consistent with a center of origin that supports the most diversity of the family, with a predominance of dispersion processes over vicariant events, which explain the present distribution pattern.

Idioma originalSpanish
Páginas (desde - hasta)113-129
Número de páginas17
PublicaciónLatin American Journal of Aquatic Research
Volumen45
Número de edición1
Identificadores de objetos digitales
EstadoPublished - 1 mar 2017

Huella dactilar

squid
Loliginidae
Tethys
biogeography
ocean
Atlantic Ocean
tectonic plate
vicariance
ancestry
Paleocene
divergence
phylogenetics
history
center of origin
tectonics
phylogeny

Keywords

    ASJC Scopus subject areas

    • Oceanography
    • Aquatic Science

    Citar esto

    Ulloa, Patricio M.; Hernández, Cristián E.; Rivera, Reinaldo J.; Ibáñez, Christian M. / Biogeografía histórica de los calamares de la familia Loliginidae (Teuthoidea : Myopsida).

    En: Latin American Journal of Aquatic Research, Vol. 45, N.º 1, 01.03.2017, p. 113-129.

    Resultado de la investigación: Contribución a la publicaciónArticle

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    Biogeografía histórica de los calamares de la familia Loliginidae (Teuthoidea : Myopsida). / Ulloa, Patricio M.; Hernández, Cristián E.; Rivera, Reinaldo J.; Ibáñez, Christian M.

    En: Latin American Journal of Aquatic Research, Vol. 45, N.º 1, 01.03.2017, p. 113-129.

    Resultado de la investigación: Contribución a la publicaciónArticle

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