Mordacia species distribution. General distribution of Mordacia (light purple) and recorded collections for each Mordacia species (Australian species: Mordacia mordax [dark purple points] and M. praecox [pink points], South American species: M. lapicida [magenta points]). Australian general Mordacia distribution and points (M. mordax and M. praecox) interpreted from Atlas of Living Australia (ALA 2020). South American general M. lapicida distribution from Neira (1984) and points from both VertNet (2019) and González (2009). For both b and c arrows indicate outlier records from closer to the equator than 32 ° S and 34 ° S for Geotria and Mordacia, respectively.