| Clausognathia suicauda Sterrer, 1992 | 19 Apr 1991 | 33 m | fine sand with detritus | sand trough behind reef barrier |
| Haplognathia belizensis Sterrer, 1998 | 4 Apr 1991 | 5 m | medium to coarse sand | sample 91.6: large sand patch in short Thalassia, N |
| Haplognathia lunulifera (Sterrer, 1969) | 4 Apr 1991 | 5 m | medium to coarse sand | sample 91.6: large sand patch in short Thalassia, N |
| Haplognathia ruberrima (Sterrer, 1966) | 4 Apr 1991 | 5 m | medium to coarse sand | sample 91.6: large sand patch in short Thalassia, N |
| Cosmognathia aquila Sterrer, 1998 | 4 Apr 1991 | 5 m | medium to coarse sand | sample 91.6: large sand patch in short Thalassia, N |
| Pterognathia swedmarki Sterrer, 1966a | 4 Apr 1991 | 5 m | medium to coarse sand | sample 91.6: large sand patch in short Thalassia, N |
| Austrognathia christianae Farris, 1977 | 4 Apr 1991 | 5 m | medium to coarse sand | sample 91.6: large sand patch in short Thalassia, N |
| Austrognatharia medusifera Sterrer, 1998 | 4 Apr 1991 | 5 m | medium to coarse sand | sample 91.6: large sand patch in short Thalassia, N |
| Austrognatharia strunki Farris, 1973 | 4 Apr 1991 | 5 m | medium to coarse sand | sample 91.6: large sand patch in short Thalassia, N |
| Haplognathia rosea (Sterrer, 1969) | 4 Dec 1984 | 30 m | fine sand with detritus | sample 84: sand trough in forereef |
| Haplognathia rosea (Sterrer, 1969) | 7 Apr 1991 | 6 m | fine sand with ripple marks | sample 91.10: south channel |
| Haplognathia ruberrima (Sterrer, 1966) | 28 Dec 1974 | 20 m | medium-fine sand with Halimeda | sample 75.9: sand trough in forereef |
| Haplognathia ruberrima (Sterrer, 1966) | 4 Dec 1984 | 30 m | fine sand with detritus | sample 84: sand trough in forereef |
| Haplognathia ruberrima (Sterrer, 1966) | 3 Apr 1991 | 5 m | sand with silt | sample 91.4: large sand patch in Thalassia, NW |
| Haplognathia ruberrima (Sterrer, 1966) | 4 Apr 1991 | 5 m | fine to medium sand with silt | sample 91.5: sand strip between back reef and Thalassia |
| Haplognathia ruberrima (Sterrer, 1966) | 7 Apr 1991 | 6 m | fine sand with ripple marks | sample 91.10: south channel |
| Cosmognathia aquila Sterrer, 1998 | 4 Apr 1991 | 5 m | fine to medium sand with silt | sample 91.5: sand strip between back reef and Thalassia |
| Pterognathia ugera Sterrer, 1991c | 7 Apr 1991 | 6 m | fine sand with ripple marks | sample 91.10: south channel |
| Paucidentula anonyma Sterrer, 1998 | 4 Apr 1991 | 2 m | sand with reef rubble | sample 91.7: back reef area, N |
| Paucidentula anonyma Sterrer, 1998 | 17 Apr 1991 | 3 m | heterogenous coarse sand with silt | sample 91.18: large sand patch in back reef, N |
| Gnathostomula peregrina Kirsteuer, 1969a | 19 Apr 1991 | 33 m | fine sand | sample 91.23: san trough in forereef |
| Austrognatharia medusifera Sterrer, 1998 | 4 Apr 1991 | 5 m | fine to medium sand with silt | sample 91.5: sand strip between back reef and Thalassia |
| Austrognatharia medusifera Sterrer, 1998 | 4 Apr 1991 | 2 m | sand with reef rubble | sample 91.7: back reef area, N |
| Austrognatharia strunki Farris, 1973 | 4 Dec 1984 | 30 m | fine sand with detritus | sample 84: sand trough in forereef |
| Austrognatharia strunki Farris, 1973 | 3 Apr 1991 | 5 m | sand with silt | sample 91.4: large sand patch in Thalassia, NW |
| Austrognatharia strunki Farris, 1973 | 4 Apr 1991 | 5 m | fine to medium sand with silt | sample 91.5: sand strip between back reef and Thalassia |
| Austrognatharia strunki Farris, 1973 | 17 Apr 1991 | 3 m | heterogenous coarse sand with silt | sample 91.18: large sand patch in back reef, N |
| Austrognatharia strunki Farris, 1973 | 17 Apr 1991 | 4 m | heterogenous coarse sand with silt | sample 91.19: large sand patch in back reef, N |
| Austrognatharia strunki Farris, 1973 | 9 May 1994 | 4 m | fine sand | sample 94.13: W of channel reef, sand between reefs and Thalassia |
| Austrognatharia sp. Sterrer, 1998 | 3 May 1992 | 6 m | medium-fine sand | sample 92.2: near patch reef P 109, NW |