DOI: 10.5061/dryad.nh7pg
title: Data from: Allegory of a cave crustacean: systematic and biogeographic reality of Halosbaena (Peracarida: Thermosbaenacea) sought with molecular data at multiple scales

description: Halosbaena Stock, 1976 are small crustaceans found in a number of distant,
 isolated subterranean locations in the Northern (Caribbean and Canary
 Islands) and Southern Hemispheres (Christmas Island and north-western
 Australia in Cape Range, Barrow Island and Pilbara regions). This
 distribution is surprising for an animal that produces few eggs, has no
 free-living larval stage, and succours their young in a dorsal brood
 pouch. It is usually explained by the passive movement of ancestral
 populations on tectonic plates as the ancient Tethys Ocean spread. We used
 molecular data (one mitochondrial and three nuclear genes) to reconstruct
 phylogenies and time-trees to understand their biogeography at the global
 scale and at four diminishing scales within the Southern Hemisphere. We
 found: (1) a basal split between species in the Northern and Southern
 Hemispheres, but the inferred ages of divergences between species are not
 old enough to be associated with the spread of the Tethys; (2) a recently
 discovered species from Christmas Island which is the sister to Australian
 mainland taxa; (3) the one described species from mainland Australia, H.
 tulki, probably constitutes at least five separate species that reflect
 local geography (Cape Range west, Cape Range east, Barrow Island, Pilbara
 low elevation, Pilbara high elevation); (4) the Pilbara high elevation
 taxon is likely not old enough to have been stranded high inland during an
 Eocene marine transgression; and (5) phylogeographic breaks within Cape
 Range west are congruent with other breaks in sympatric cave species.
description: MrBayes
 filesThis is a ZIP file
 consisting of 10 separate input files for the program MrBayes version
 3.2.2 (Ronquist et al. 2012), which creates phylogenetic trees. Each file
 is for a separate one, two or three gene dataset. See Table 2 of paper for
 details of datasets and analyses, Table 1 for site codes and Table S1 for
 full details of specimen numbers.Page et al MarBioD MrBayes
 files.zipTCS
 filesThis is a ZIP file
 consisting of 4 separate input files for the program TCS version 1.21
 (Clement et al. 2000), which creates haplotype networks. Each file is for
 a separate analysis. See Table 2 of paper for details of datasets and
 analyses, Table 1 for site codes and Table S1 for full details of specimen
 numbers.Page et al MarBioD TCS
 files.zipMega
 filesThis is a ZIP file
 consisting of 4 separate input files for the program Mega6 (Tamura et al.
 2013), which creates phylogenetic trees. Each file is for a separate
 single gene dataset. See Table 2 of paper for details of datasets and
 analyses, Table 1 for site codes and Table S1 for full details of specimen
 numbers. “Aus” = Australia, “BI” = “Barrow Island”, “Can” = Canary
 Islands, “CRE” = “Cape Range East, “PH” = Pilbara High, “PL” = Pilbara
 Low, “Okin” = Okinawa, “TULKI” = Halosbaena tulki, “Xmas” = Christmas
 Island.Page
 et al MarBioD Mega files.zipBEAST
 fileThis is an input file
 for the program BEAST 2 version 2.1.3 (Bouckaert et al. 2014), which
 creates phylogenetic trees and time-trees using a 4 gene dataset. See
 Table 2 of paper for details of datasets and analyses, Table 1 for site
 codes and Table S1 for full details of specimen
 numbers.BEAST COI H3 28S
 18S.xml