| Igluta tipuca Marcus & Marcus, 1968 | prior to 1966 |  |  |  | 
| Candimba rabita Marcus & Marcus, 1968 | prior to 1968 |  |  | among algae | 
| Stylochus frontalis Verrill, 1893 | Dec 18, 1965 |  |  | Piscadera Baai, outer part, in dead oysters and barnacles growing on iron tubes under the pier of the Caribbean Marine Biological Institute.  A total of 22 specimens collected from 3 days. | 
| Stylochus frontalis Verrill, 1893 | Jan 29, 1966 |  |  | Piscadera Baai, outer part, in dead oysters and barnacles growing on iron tubes under the pier of the Caribbean Marine Biological Institute.  A total of 22 specimens collected from 3 days. | 
| Stylochus frontalis Verrill, 1893 | Jan 13, 1966 |  |  | Piscadera Baai, inner part, in dead oysters on the roots of mangrove.  A total of 22 specimens collected from 3 days. | 
| Stylochoplana leptalea Marcus, 1947 | 1966 |  |  | outer and inner bay, coming up from algae.  18 specimens.  Also, various soft bottoms, also on iron beams and poles and on buoy.  Many specimens. | 
| Notoplana ferruginea (Schmarda, 1859) | Dec, 1965 - Feb, 1966 |  |  | Piscadera Baai, outer part, under stones and coming up from algae, e.g., Halimeda.  About 30 specimens. | 
| Pericelis cata Marcus & Marcus, 1968 | Dec 31, 1965 |  | stones | Piscadera Baai, outer part, under stones.  4 specimens. | 
| Annalisella bermudensis Karling, 1978 | Dec 1998 | 10 m | very clear sand with some detritus | sampel taken at the buoy nr. 1 of the marine station "CARMABI" | 
| Stylochus frontalis Verrill, 1892 | Dec 18, 1967 |  |  | leg. D. D. Correa | 
| Stylochus oculifera (Girard, 1853) | 2005 or earlier |  |  | leg. P. W. Hummelinck, deposited in SMNH. | 
| Stylochus oculifera (Girard, 1853) | 1930-1964 | 0-1  M |  | Leg. Hummelinck, 8 specimens Piscadera Baai, entrance to inner bay and in inner bay, Rhizophora, rocky, sandy and muddy bottoms | 
| Phaenocelis purpurea (Schmarda, 1859) | Feb 1966 |  |  | Piscadera Baii, outer part, under a stone and coming up from algae. | 
| Phaenocelis peleca Marcus & Marcus, 1968 | Jan-Feb 1966 |  |  | Piscadera Baii, outer part, under stones and coming up from Halimeda.  5 specimens. | 
| Igluta tipuca Marcus & Marcus, 1968 | Feb 1, 1966 |  |  | Piscadera Baii, inner part, coming up from Thalassia.  2 specimens. | 
| Zygantroplana yrsa Marcus & Marcus, 1968 | Jan - Mar, 1966 |  |  | Piscadera Baii, outer and inner parts, coming up from algae.  12 specimens. | 
| Zygantroplana yrsa Marcus & Marcus, 1968 | 1930-1964 | 0-0.5  M |  | Leg. Hummelinck, Piscadera Baai, outer bay, pebbles.  2 spec. | 
| Stylochoplana snadda Marcus & Marcus, 1968 | 1966 or earlier | 0 - 0.5 m |  | Piscadera Baai, inner bay, northern part, Rhizophora, muddy sand.  1 specimen. | 
| Candimba rabita Marcus & Marcus, 1968 | Jan, Mar, 1966 |  |  | Piscadera Baii, outer and inner parts, coming up from algae.  4 specimens. | 
| Notoplana megala Marcus, 1952 | Jan 12, 1966 |  |  | Piscadera Baii, outer part, under a stone.  1 specimen. | 
| Notoplana annula Marcus & Marcus, 1968 | Jan 25, 1966 |  |  | Piscadera Baii, outer part, coming up from algae.  1 specimen. | 
| Notoplana queruca Marcus & Marcus, 1968 | Jan 18, 1966 |  |  | Piscadera Baai, outer bay, coming up from algae.  1 specimen. | 
| Notoplana queruca Marcus & Marcus, 1968 | Jan 18, 1966 | 0 - 1 m |  | Piscadera Baai, entrance of inner bay, iron poles.  1 specimen. | 
| Notoplana lapunda Marcus & Marcus, 1968 | Jan 12 & 29, 1966 |  |  | Piscadera Baii, outer part, under a stone, in dead oysters and barnacles growing on iron poles under the pier of the Caribbean Marine Biological Institute .  3 specimens. | 
| Hoploplana divae Marcus, 1950 | Jan 12 & 29, 1966 | 0 - 0.5 m |  | Piscadera Baii, entrance to inner bay; Rizophora, muddy bottom .  1 specimen. | 
| Gnesioceros sargassicola (Mertens, 1833) | Feb 2, 1966 |  |  | Piscadera Baii, inner bay, coming up from algae .  2 specimens. | 
| Gnesioceros sargassicola (Mertens, 1833) | Feb 2, 1966 |  |  | Piscadera Baii, entrance to inner bay, sandy decay, Halimeda and Rhizophora, sandy bottom.  2 specimens. | 
| Gnesioceros sargassicola (Mertens, 1833) | Feb 2, 1966 | 0 - 2 m |  | Piscadera Baii, inner bay, northern part, soft bottoms, Thalassia, Ulva, Rhizophora.  4 specimens. | 
| Styloplanocera fasciata (Schmarda, 1859) | Dec 1965 - Feb 1966 |  |  | Piscadera Baai, St. Michaels Baai, Vaerssen Baai, Sta. Marta Baai, in all localities under pieces of dead corals in the intertidal zone.  23 specimens. | 
| Boninia divae Marcus & Marcus, 1968 | Jan - Feb 1966 |  |  | Piscadera Baai, St. Michaels Baai, Vaerssen Baai, under stones at high water-line.  30 specimens.  In all locations the occurrence was patchy. | 
| Thysanozoon brocchii (Risso, 1818) | Jan - Feb 1966 |  |  | outer bay, under stone and coming up from algae; inner bay, coming up from growth on roots of mangrove.  6 specimens. | 
| Thysanozoon brocchii (Risso, 1818) | Jan - Feb 1966 |  |  | entrance to inner bay and inner bay, nearly all worms among mangrove on quite different bottoms .  about 150 specimens.  One specimen on the buoy of Station 1482. | 
| Pseudoceros crozieri Hyman, 1939 | 1966 or earlier |  |  | inner bay, southern part, Rhizophora, mud.  16 specimens. | 
| Pseudoceros crozieri Hyman, 1939 | 1966 or earlier | 0 - 1 m |  | inner bay, southern part, Rhizophora, rocky shore.  19 specimens. | 
| Pseudoceros crozieri Hyman, 1939 | 1966 or earlier | 0 - 1 m |  | inner bay, central part, Rhizophora, muddy sand.  38 specimens. | 
| Pseudoceros mopsus Marcus, 1952 | Jan 16, 1966 |  |  | outer bay, among growth on the pier of the Biological Institute.  1 spec. | 
| Pseudoceros mopsus Marcus, 1952 | 1966 or earlier | 0 - 0.5 m |  | entrance to inner bay , Rhizophora, sandy bottom.  2 spec. | 
| Pseudoceros mopsus Marcus, 1952 | 1966 or earlier | 0 - 1 m |  | inner bay, southern part,  Rhizophora, sandy rock.  1 spec. | 
| Cycloporus gabriellae Marcus, 1950 | Jan 18, 1966 |  |  | outer bay, under a stone.  1 specimen. | 
| Acerotisa notulata (Bosc, 1802) | 1966 or earlier | 0 - 0.5 m |  | outer bay, pebbles.  1 specimen. | 
| Acerotisa notulata (Bosc, 1802) | 1966 or earlier | 0 - 1.0 m |  | inner bay, central part, Rhizophora, muddy sand.  1 specimen. | 
| Acerotisa notulata (Bosc, 1802) | 1966 or earlier | 0 - 1.0 m |  | southern part, Rhizophora, sandy rock.  4 spec. | 
| Acerotisa notulata (Bosc, 1802) | 1966 or earlier | 0 - 1.0 m |  | northern part, Rhizophora, sandy rock.  1 spec. | 
| Acerotisa bituna Marcus, 1947 | 1966 or earlier | 0 - 0.5 m |  | entrance to inner bay , Rhizophora, sandy.  1 spec. | 
| Acerotisa bituna Marcus, 1947 | 1966 or earlier | 0 - 1 m |  | inner bay, southern part,  Rhizophora, sandy rock.  4 spec. | 
| Enchiridium evelinae Marcus, 1949 | Jan 28 & Feb 21, 1966 |  |  | outer part, under stones.  2 adults. | 
| Enchiridium evelinae Marcus, 1949 | Feb 23, 1966 |  |  | outer part, coming up from algae.  1 young specimen. |