Page 1 of 6 10.1071/IS15045_AC © CSIRO 2016 Supplementary Material: Invertebrate Systematics 30, 635–649 SUPPLEMENTARY MATERIAL Genetic diversity and biogeography of the south polar water bear Acutuncus antarcticus (Eutardigrada : Hypsibiidae) – evidence that it is a truly pan-Antarctic species Michele Cesari A , Sandra J. McInnes B , Roberto Bertolani A , Lorena Rebecchi A,C and Roberto Guidetti A A Department of Life Sciences, University of Modena and Reggio Emilia, via G. Campi 213/d 41125 Modena, Italy. B British Antarctic Survey, Natural Environment Research Council, Madingley Road, Cambridge, CB3 0ET, UK. C Corresponding author. Email: lorena.rebecchi@unimore.it Supplementary Table S1. GenBank accession numbers for specimens utilised as comparison in the 18S phylogram For references of Table S1 see below Species Reference GenBank acc. no. Apochela Milnesium cf. tardigradum Jørgensen and Kristensen 2004 AY582120 Parachela Isohypsibioidea Apobidius confusus Dabert et al. 2014 KC582830 Doryphoribius flavus Bertolani et al. 2014a HQ604940 Doryphoribius macrodon Bertolani et al. 2014a HQ604942 Eremobiotus alicatai Bertolani et al. 2014a HQ604951 Eremobiotus alicatai Guil and Giribet 2012 FJ435722 Halobiotus crispae Møbjerg et al. 2007 EF620402 Halobiotus crispae Møbjerg et al. 2007 EF620402 Halobiotus stenostomus Jørgensen and Kristensen 2004 AY582121 Hebesuncus ryani Sands et al. 2008 EU266956 Hebesuncus conjungens Kiehl et al. 2007 AM500646 Hebesuncus sp. Sands et al. 2008 EU266958 Hexapodibius micronyx Bertolani et al. 2014a HQ604915 Hexapodibius sp. Bertolani et al. 2014a HQ604917 Isohypsibius cambrensis Kiehl et al. 2007 AM500652 Isohypsibius dastychi Bertolani et al. 2014a HQ604954 Isohypsibius granulifer Møbjerg et al. 2007 EF620403 Isohypsibius papillifer Sands et al. 2008 EU266925 Isohypsibius prosostomus Møbjerg et al. 2007 EF620404 Pseudobiotus kathmanae Bertolani et al. 2014a HQ604957 Pseudobiotus megalonyx Bertolani et al. 2014a HQ604959