RECORDS OF THE WESTERN AUSTRALIAN MUSEUM 28 001–006 (2013) SHORT COMMUNICATION A new record of Lortiella froggatti Iredale, 1934 (Bivalvia: Unionoida: Hyriidae) from the Pilbara region, Western Australia, with notes on anatomy and geographic range M.W. Klunzinger1, H.A. Jones2, J. Keleher1 and D.L. Morgan1 1 Freshwater Fish Group and Fish Health Unit, Murdoch University, South Street, Murdoch, Western Australia 6150, Australia. Email:
[email protected] 2 Department of Anatomy and Histology, Building F13, University of Sydney, NSW 2006, Australia. KEYWORDS: Freshwater mussels, biogeography, species conservation, Australia INTRODUCTION METHODS Accurate delimitation of a species’ geographic range is important for conservation planning and biogeography. SAMPLING METHODS Geographic range limits provide insights into the We compiled 75 distributional records (66 museum ecological and historical factors that infl uence species records and nine fi eld records) of Lortiella species. distributions (Gaston 1991; Brown et al. 1996), whereas Museum records were sourced from Ponder and Bayer the extent of occurrence of a taxon is a key component (2004) and the Online Zoo log i cal Col lec tions of Aus- of IUCN criteria used for assessing the conservation tralian Muse ums (OZCAM 2012). Field records were status of species (IUCN 2001). from sites surveyed for 10–20 minutes by visual and Freshwater mussels (Unionoida) are an ancient group tactile searches in north-western Australia during of palaeoheterodont bivalves that inhabit lotic and lentic 2009–2011. Mussels were preserved in 100% ethanol freshwater environments on every continent except for future molecular study. Water quality data were Antarctica (Graf and Cummings 2006).