Onychognathia bractearotunda Ehlers & Ehlers, 1973 | Nov 1972 | 0 m (LWN) | | Playa Borrero (IX, 2). One specimen only. |
Gnathostomula costata Ehlers & Ehlers, 1973 | Nov 1972 | sublittoral | medium to fine sand with coarse shell and plenty detritus | Bah?a Academy. One specimen only. |
Corculognathia apennata Ehlers & Ehlers, 1973 | Nov 1972 | 0 m (LWN) | sand | Playa Borrero (IX, 2). 5 specimens |
Corculognathia apennata Ehlers & Ehlers, 1973 | Dec 1972 | 1 m | medium to fine sand with little detritus | North side. 6 specimens |
Austrognatharia atraclava Ehlers & Ehlers, 1973 | Nov 1972 | 0 m (a little below LWN) | clean sand | Bah?a Academy. 2 specimens. |