Biogeography and genetic diversity of the atlantid heteropods

Progress in Oceanography
Deborah Wall-PalmerKatja T C A Peijnenburg

Abstract

The atlantid heteropods are regularly encountered, but rarely studied marine planktonic gastropods. Relying on a small (<14 mm), delicate aragonite shell and living in the upper ocean means that, in common with pteropods, atlantids are likely to be affected by imminent ocean changes. Variable shell morphology and widespread distributions indicate that the family is more diverse than the 23 currently known species. Uncovering this diversity is fundamental to determining the distribution of atlantids and to understanding their environmental tolerances. Here we present phylogenetic analyses of all described species of the family Atlantidae using 437 new and 52 previously published cytochrome c oxidase subunit 1 mitochondrial DNA (mtCO1) sequences. Specimens and published sequences were gathered from 32 Atlantic Ocean stations, 14 Indian Ocean stations and 21 Pacific Ocean stations between 35°N and 43°S. DNA barcoding and Automatic Barcode Gap Discovery (ABGD) proved to be valuable tools for the identification of described atlantid species, and also revealed ten additional distinct clades, suggesting that the diversity within this family has been underestimated. Only two of these clades displayed obvious morphological characteristi...Continue Reading

References

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Citations

Aug 18, 2020·The Journal of Heredity·Kimberly R AndrewsBrian W Bowen
Dec 25, 2019·ZooKeys·Deborah Wall-PalmerKatja T C A Peijnenburg
Sep 23, 2020·BMC Evolutionary Biology·Deborah Wall-PalmerKatja T C A Peijnenburg
Oct 24, 2018·The Journal of Experimental Biology·Ferhat KarakasDavid W Murphy
Nov 6, 2020·Journal of Evolutionary Biology·Le Qin ChooKatja T C A Peijnenburg
Jan 20, 2021·Scientific Reports·Lisette MekkesKatja T C A Peijnenburg

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Methods Mentioned

BETA
light microscopy

Software Mentioned

Phylostack
MEGA
Geneious
AliView
MAFFT
BOLD
RAxML
FigTree

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