Table 1.
Overview of the distribution of synallactid species in the Pacific Ocean and tropical Western Pacific.
| Genus | Number of accepted species | Number of species in the Pacific Ocean | Species in the tropical Western Pacific | |
|---|---|---|---|---|
| Number | Species | |||
| Allopatides | 2 | 1 | 1 | A.corrugatus |
| Capheira | 2 | 0 | 0 | – |
| Dendrothuria | 2 | 1 | 1 | D.megalopharynx |
| Galatheathuria | 1 | 1 | 1 | G.aspera |
| Paelopatides | 21 | 7 | 3 | P.appendiculata, P.illicitus, and P.ovalis |
| Pseudothuria | 1 | 0 | 0 | – |
| Scotothuria | 1 | 0 | 0 | – |
| Synallactes | 27 | 15 | 9 | S.chuni, S.discoidalis, S.gilberti, S.heteroculus, S.monoculus, S.multivesiculatus, S.nozawai, S.sagamiensis, and S.triradiate |
| Bathyplotes | 25 | 13 | 9 | B.angustus, B.cinctus, B.crebrapapilla, B.dofleinii, B.imperfectus, B.moseleyi, B.natans, B.punctatus, and B.sulcatus |
| Amphigymnas | 3 | 1 | 1 | A.woodmasoni |
| Total | 85 | 39 | 25 | – |