| Isodiametra hortulus (Hooge & Tyler, 2003) | Apr 1999 | intertidal | sand | |
| Isodiametra karpredi (Hooge & Tyler, 2003) | | subtidal | medium-grained sediment | |
| Convoluta convoluta (Abildgaard, 1806) | 1999 | subtidal | | near algal covered rocks, 1-3 m |
| Praeconvoluta tigrina Hooge & Tyler, 2003 | May 1999 | | | |
| Pseudaphanostoma smithrii Hooge & Tyler, 2003 | Jul 1995 | | | |
| Pseudmecynostomum phoca Hooge & Tyler, 2003 | Mar 1999 | | | |
| Pseudmecynostomum folium Hooge & Tyler, 2003 | Aug 1999 | shallow and low subtidal | medium grained sand | |
| Paratomella unichaeta Dörjes, 1966 | spring, summer 1999 | | | sexually immature specimens |
| Paromalostomum coronum Spurr, 1983 | Aug 1975 - Mar 1977 | intertidal | coarse sand | Griffith's Head Beach, various depths. |