| Pseudoceros bolool Newman & Cannon, 1994 | Aug 19, 1993 | subtidal | reef | collected by SCUBA, reef crest | 
| Pseudoceros goslineri Newman & Cannon, 1994 | Aug 16, 1993 |  | reef crest | collected by SCUBA, reef slope. | 
| Pseudoceros laticlavus Newman & Cannon, 1994 | Aug 16, 1993 | subtidal | reef crest | collected by SCUBA, reef crest.  Found on colonial ascidians, under boulders at reef crest.  Rare. | 
| Pseudoceros paralaticlavus Newman & Cannon, 1994 | Sep 12, 1992 | subtidal | reef crest | collected by SCUBA, reef crest.  Found on yellow colonial ascidians under boulders at the reef crest.  Common from Heron Island, rare from Madang. | 
| Pseudoceros sapphirinus Newman & Cannon, 1994 | Aug 17, 1993 | 15m | reef slope | collected by SCUBA, reef slope at night.  Found under ledges on the reef slope, especially at night. | 
| Pseudoceros verecundus Newman & Cannon, 1994 | Sep 19, 1993 | subtidal | reef crest | collected by SCUBA, reef crest.  Found feeding on cream-white colonial ascidians.  Common from Heron Island.  Rare from One Tree Island. | 
| Pseudobiceros apricus Newman & Cannon, 1994 | Aug 16, 1993 | subtidal | reef crest | collected by SCUBA, reef crest.  Found on pink colonial ascidians under boulders at the reef crest.  Common from Heron Island, rare from One Tree Island. | 
| Pseudobiceros hancockanus (Collingwood, 1876) | Aug 17, 1993 | 15 m | reef slope | collected by SCUBA, reef slope.  Found under ledges on the reef slope.  Common from Heron Island.  One animal was found on an orange sponge and appeared to be feeding. | 
| Pseudobiceros stellae Newman & Cannon, 1994 | Aug 16, 1993 | subtidal | reef crest | collected by SCUBA, reef crest.  Found under boulders and out on the rubble at night on the reef crest.  Common from Heron Island, rare from One Tree Island and Madang. | 
| Pseudobiceros uniarborensis Newman & Cannon, 1994 | Sep 13, 1992 | subtidal | reef crest | collected by SCUBA, reef crest.  Found under boulders at the reef crest and slope.  Abundant from Heron and One Tree Island, rare from Madang. | 
| Pseudobiceros uniarborensis Newman & Cannon, 1994 | Sep 11, 1992 | subtidal | reef crest | collected by SCUBA, reef crest.  Found under boulders at the reef crest and slope.  Abundant from Heron and One Tree Island, rare from Madang. | 
| Pseudobiceros uniarborensis Newman & Cannon, 1994 | Jan 30, 1993 | subtidal | reef crest | collected by SCUBA, reef crest.  Found under boulders at the reef crest and slope.  Abundant from Heron and One Tree Island, rare from Madang. | 
| Pseudobiceros uniarborensis Newman & Cannon, 1994 | Sep 13, 1992 | subtidal | reef crest | collected by SCUBA, reef crest.  Found under boulders at the reef crest and slope.  Abundant from Heron and One Tree Island, rare from Madang. | 
| Pseudobiceros uniarborensis Newman & Cannon, 1994 | Aug 13, 1993 | subtidal | reef crest | collected by SCUBA, reef crest.  Found under boulders at the reef crest and slope.  Abundant from Heron and One Tree Island, rare from Madang. | 
| Pseudoceros bifurcus Prudhoe, 1989 | Sep 12, 1992 | 18 m | reef slope | collected by SCUBA, reef slope.  Found under ledges (usually on ascidian prey) on reef slope.  Abundant from Heron Island, rare from One Tree Island | 
| Pseudobiceros gratus (Kato, 1937) | Aug 17, 1993 | subtidal | reef crest | Collected by SCBA from reef crest. | 
| Pseudoceros cruentus Newman & Cannon, 1998 | Sep 14, 1992 |  |  | under rubble, reef crest.  Found associated with colonial ascidians under rubble ath the reef crest.  Abundant. | 
| Pseudoceros cruentus Newman & Cannon, 1998 | Jun 15, 1992 |  |  | under rubble, reef crest. | 
| Pseudoceros cruentus Newman & Cannon, 1998 | Feb 4, 1992 |  |  |  | 
| Pseudoceros cruentus Newman & Cannon, 1998 | Feb 22, 1992 |  |  |  | 
| Pseudoceros irretitus Newman & Cannon, 1998 | Jun 14, 1992 |  |  | under rubble, reef crest. | 
| Pseudoceros irretitus Newman & Cannon, 1998 | Jun 11, 1992 |  |  | under rubble, reef crest. | 
| Pseudoceros irretitus Newman & Cannon, 1998 | Sep 11, 1992 |  |  | under rubble on ascidians, reef crest. | 
| Pseudoceros irretitus Newman & Cannon, 1998 | Aug 13, 1993 |  |  |  | 
| Pseudoceros irretitus Newman & Cannon, 1998 | Aug 14, 1993 |  |  |  | 
| Pseudoceros irretitus Newman & Cannon, 1998 | Aug 19, 1993 |  |  |  | 
| Pseudoceros irretitus Newman & Cannon, 1998 | Sep 9, 1996 |  |  |  | 
| Pseudoceros rubronanus Newman & Cannon, 1998 | Sep 14, 1992 |  |  | under rubble, reef crest. | 
| Pseudoceros rubronanus Newman & Cannon, 1998 | Aug 19, 1993 |  |  |  | 
| Pseudoceros sp. 1 Newman & Cannon, 1998 | Sep 7, 1996 | 12 m |  | on ledge, outer reef slope. | 
| Phrikoceros lizardensis (Newman & Cannon, 1996) | Aug 16, 1993 |  |  | reef crest. | 
| Imogine lesteri Jennings & Newman, 1996 | Sep 15, 1992 |  |  | reef crest. | 
| Stylochus stellatus Jennings & Newman, 1996 | Aug 15, 1993 |  |  |  | 
| Pseudoceros confusus Newman & Cannon, 1995 | Sep 15, 1992 |  |  | reef crest. | 
| Pseudoceros confusus Newman & Cannon, 1995 | Sep 12, 1992 |  |  | reef crest. | 
| Pseudoceros confusus Newman & Cannon, 1995 | Sep 13, 1992 |  |  | reef crest. | 
| Pseudoceros confusus Newman & Cannon, 1995 | Aug 13, 1993 |  |  | reef crest. | 
| Pseudoceros confusus Newman & Cannon, 1995 | Aug 14, 1993 |  |  | reef crest. | 
| Pseudoceros confusus Newman & Cannon, 1995 | Aug 19, 1993 |  |  | reef crest. | 
| Pseudoceros intermittus Newman & Cannon, 1995 | Aug 16, 1993 |  |  |  | 
| Pseudoceros intermittus Newman & Cannon, 1995 | Aug 17, 1993 |  |  |  | 
| Cycloporus guttatus Newman & Cannon, 2002 | Aug 14, 1989 |  |  | damaged, under rubble, reef crest |