| Haplognathia asymmetrica Sterrer, 1991b | 28 Apr 1972 | 3-4 m | fine, muddy sand with detritus | sample 25: between Trunk Island and Rabbit Island |
| Haplognathia ruberrima (Sterrer, 1966) | 28 Apr 1972 | 3-4 m | fine, muddy sand with detritus | sample 25: between Trunk Island and Rabbit Island |
| Haplognathia ruberrima (Sterrer, 1966) | 10 Dec 1975 | 3 m | fine sand with detritus | samples 134 & 135: between Trunk Island and Rabbit Island |
| Cosmognathia arcus Sterrer, 1991a | 3 Sep 1975 | 2 m | medium sand | sample 117: Church Bay |
| Cosmognathia manubrium Sterrer, 1991b | 28 Apr 1972 | 3-4 m | fine, muddy sand with detritus | sample 25: between Trunk Island and Rabbit Island |
| Pterognathia crocodilus Sterrer, 1991a | 7 Feb 1972 | | fine, muddy sand with detritus | sample 18: between Trunk Island and Rabbit Island |
| Pterognathia crocodilus Sterrer, 1991a | 10 Dec 1975 | | | sample 135: between Trunk Island and Rabbit Island |
| Pterognathia ctenifera Sterrer, 1970a | 28 Apr 1972 | 3-4 m | fine, muddy sand with detritus | sample 25: between Trunk Island and Rabbit Island |
| Pterognathia ctenifera Sterrer, 1970a | 30 Apr 1973 | 4-5 m | fine sand with detritus | sample 70: between Trunk Island and Rabbit Island |
| Tenuignathia rikerae Sterrer, 1976 | 7 Jun 1972 | 3-4 m | fine, muddy sand with detritus | sample 18: between Trunk Island and Rabbit Island |
| Tenuignathia rikerae Sterrer, 1976 | 28 Apr 1972 | 3-4 m | fine, muddy sand with detritus | sample 25: between Trunk Island and Rabbit Island |
| Tenuignathia rikerae Sterrer, 1976 | 3 Sep 1975 | 2 m | medium sand | sample 117: Church Bay |
| Tenuignathia rikerae Sterrer, 1976 | 19 Nov 1975 | 4 m | fine sand with detritus | sample 126: Church Bay |
| Problognathia minima Sterrer & Farris, 1975 | 19 Nov 1975 | 4 m | fine sand with detritus | sample 126: Church Bay |
| Problognathia minima Sterrer & Farris, 1975 | 19 Nov 1975 | 1 m | fine gray sand | sample 129: NW beach of Trunk Island |
| Gnathostomula peregrina Kirsteuer, 1969a | 19 Nov 1975 | 4 m | fine sand with detritus | sample 126: Church Bay |
| Gnathostomula peregrina Kirsteuer, 1969a | 19 Nov 1975 | 1 m | fine gray sand | sample 129: NW beach of Trunk Island |
| Gnathostomula peregrina Kirsteuer, 1969a | 10 Dec 1975 | 3 m | fine sand with detritus | sample 134: between Trunk Island and Rabbit Island |
| Austrognathia microconulifera Farris, 1977 | 28 Apr 1972 | 3-4 m | fine, muddy sand with detritus | sample 25: between Trunk Island and Rabbit Island |
| Austrognathia microconulifera Farris, 1977 | 19 Nov 1975 | 4 m | fine sand with detritus | sample 126: Church Bay |
| Austrognathia microconulifera Farris, 1977 | 10 Dec 1975 | 3 m | fine sand with detritus | sample 135: between Trunk Island and Rabbit Island |
| Austrognatharia sterreri (Kirsteuer, 1969a) | 10 Dec 1975 | 3 m | fine sand with detritus | sample 134: between Trunk Island and Rabbit Island |
| Austrognatharia sterreri (Kirsteuer, 1969a) | 10 Dec 1975 | 3 m | fine sand with detritus | sample 135: between Trunk Island and Rabbit Island |