| Haplognathia ruberrima (Sterrer, 1966) | 16 Aug 1994 | 5 m | silty sand | sample 94.05: sand patch on patch reef W of N. Rock |
| Pterognathia ctenifera Sterrer, 1970a | 16 Aug 1994 | 5 m | silty sand | sample 94.05: sand patch on patch reef W of N. Rock |
| Pterognathia ugera Sterrer, 1991c | 16 Aug 1994 | 3 m | silty sand | sample 94.06: sand patch on patch reef |
| Austrognathia christianae Farris, 1977 | 16 Aug 1994 | 5 m | silty sand | sample 94.05: sand patch on patch reef W of N. Rock |
| Austrognathia christianae Farris, 1977 | 16 Aug 1994 | 3 m | silty sand | sample 94.06: sand patch on patch reef W of N. Rock |
| Austrognathia christianae Farris, 1977 | 16 Aug 1994 | 2 m | sand on mud in Thalassia | sample 94.07: between patch reefs W of N. Rock |
| Austrognatharia sterreri (Kirsteuer, 1969a) | 16 Aug 1994 | 3 m | silty sand | sample 94.06: sand patch on patch reef W of N. Rock |