Molecular Phylogenetics and Evolution 120 (2018) 212–217 Contents lists available at ScienceDirect Molecular Phylogenetics and Evolution journal homepage: www.elsevier.com/locate/ympev Short Communication Updated molecular phylogeny of the squid family Ommastrephidae: Insights into the evolution of spawning strategies a a,b c b, M. Cecilia Pardo-Gandarillas , Felipe I. Torres , Dirk Fuchs , Christian M. Ibáñez Departamento de Ciencias Ecológicas, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Ñuñoa, Santiago, Chile Departamento de Ecología y Biodiversidad, Facultad de Ecología y Recursos Naturales, Universidad Andres Bello, República 440, Santiago, Chile Department of Natural History Sciences, Hokkaido University, Sapporo, Hokkaido, Japan ARTICLE I NFO ABSTRACT Keywords: Two types of spawning strategy have been described for ommastrephid squids: coastal and oceanic. It has been Cephalopoda suggested that ancestral ommastrephids inhabited coastal waters and expanded their distribution into the open Evolution ocean during global changes in ocean circulation in the Oligocene. This hypothesis could explain the diﬀerent Reproduction reproductive strategies in oceanic squids, but has never been tested in a phylogenetic context. In the present Ancestral states study, we assess the coastal-to-open-ocean hypothesis through inferring the evolution of reproductive traits Divergence times (spawning type) of ommastrephid squids using the phylogenetic comparative method to estimate
Molecular Phylogenetics and Evolution – Elsevier
Published: Mar 1, 2018
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