Vanderhorstia phaeosticta cf. at Watson's Bay, Lizard Island, on soft sediment away from reefs. Dianne Bray (through iNaturalist Jan 2020) noted resemblance of this photo to image of female Vanderhorstia phaeosticta in Allen et al (2019): https://zenodo.org/record/3519384#.XhUZZ1UzbZY
© Anne Hoggett