Ceylonthelphusa is a genus of freshwater crabs endemic to Sri Lanka, where they live in moist lowland forests, swamps and rivers. Many of the species are on the IUCN Red List of threatened species, with the greatest risk factor being habitat loss. Ceylonthelphusa contains these species:
- Ceylonthelphusa alpina <small>Bahir & Ng, 2005</small>
- Ceylonthelphusa armata <small>(Ng, 1995)</small>
- Ceylonthelphusa austrina <small>(Alcock, 1909)</small>
- Ceylonthelphusa callista <small>(Ng, 1995)</small>
- Ceylonthelphusa cavatrix <small>(Bahir, 1998)</small>
- Ceylonthelphusa diva <small>Bahir & Ng, 2005</small>
- Ceylonthelphusa durrelli <small>Bahir & Ng, 2005</small>
- Ceylonthelphusa kandambyi <small>Bahir, 1999</small>
- Ceylonthelphusa kotagama <small>(Bahir, 1998)</small>
- Ceylonthelphusa nana <small>Bahir, 1999</small>
- Ceylonthelphusa nata <small>Ng & Tay, 2001</small>
- Ceylonthelphusa orthos <small>Ng & Tay, 2001</small>
- Ceylonthelphusa rugosa <small>(Kingsley, 1880)</small>
- Ceylonthelphusa sanguinea <small>(Ng, 1995)</small>
- Ceylonthelphusa savitriae <small>Bahir & Ng, 2005</small>
- Ceylonthelphusa sentosa <small>Bahir, 1999</small>
- Ceylonthelphusa soror <small>(Zehntner, 1894)</small>
- Ceylonthelphusa venusta <small>(Ng, 1995)</small>
References