Data from: Time-calibrated molecular phylogeny of pteropods ...

• Main Authors: Burridge, Alice K., Hörnlein, Christine, Janssen, Arie W., Hughes, Martin, Bush, Stephanie L., Marlétaz, Ferdinand, Gasca, Rebeca, Pierrot-Bults, Annelies C., Michel, Ellinor, Todd, Jonathan A., Young, Jeremy R., Osborn, Karen J., Menken, Steph B.J., Peijnenburg, Katja T.C.A., Peijnenburg, Katja T. C. A., Menken, Steph B. J.
• Format: Dataset
• Language: English
• Published: Dryad 2018
• Subjects: Thliptodon; Thielea; Pteropoda; Hyalocylis; Notobranchaea; Limacina; plankton evolution; Cuvierina; Clio; Diacavolinia; Cliopsis; Pneumodermopsis; Cavolinia; Fossil record; Heliconoides; Peracle; Diacria; Creseis; Styliola; Clione; Ocean acidification
• Online Access: https://dx.doi.org/10.5061/dryad.bp106; https://datadryad.org/stash/dataset/doi:10.5061/dryad.bp106

Pteropods are a widespread group of holoplanktonic gastropod molluscs and are uniquely suitable for study of long-term evolutionary processes in the open ocean because they are the only living metazoan plankton with a good fossil record. Pteropods have been proposed as bioindicators to monitor the impacts of ocean acidification and in consequence have attracted considerable research interest, however, a robust evolutionary framework for the group is still lacking. Here we reconstruct their phylogenetic relationships and examine the evolutionary history of pteropods based on combined analyses of Cytochrome Oxidase I, 28S, and 18S ribosomal rRNA sequences and a molecular clock calibrated using fossils and the estimated timing of the formation of the Isthmus of Panama. Euthecosomes with uncoiled shells were monophyletic with Creseis as the earliest diverging lineage, estimated at 41–38 million years ago (mya). The coiled euthecosomes (Limacina, Heliconoides, Thielea) were not monophyletic contrary to the ... : Photographs of pteropod specimens.Photographs of pteropod specimens used for phylogenetic analyses in this study.Pteropod_photographs_AKBurridge.rar ...