Megaloastia is a genus of spider from Western Australia, which is placed in the Salticidae family (jumping spiders). The genus has only one species, Megaloastia mainae.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0