Singapore

The Singapore Whiskered Bat (IUCN Red List) is known solely from a single damaged specimen and may not be a valid species. Among the mammals with endemic subspecies are the Banded Leaf Monkey Presbytis femoralis femoralis (Wildlife Singapore), the Lesser Mousedeer Tragulus javanicus fulviventer (Wildlife Singapore), the Plantain Squirrel Callosciurus notatus singapurensis (Wildlife Singapore), and the Cream-coloured Giant Squirrel Ratufa affinis affinis (Raffles Museum).

The Singapore Caecilian Ichthyophis singaporensis (BHL) is known only from a single damaged specimen collected in the nineteenth century. 

The Glass Goby Gobiopterus birtwistlei (Mangroves of Singapore) has also been found solely in Singapore.

Crabs unique to Singapore include the Reticulated Swamp Crab Parathephusa reticulata (Raffles Museum), the Singapore Freshwater Crab Johora singaporensis (ARKive), and Johnson's Freshwater Crab Irmengardia johnsoni (NParks). Endemic shrimp include Potamalpheops tigger (Mangroves of Singapore) and Salmoneus singaporensis (p. 2 of Raffles Museum pdf file).

Spiders known only from Singapore include the Mangrove St. Andrew’s Cross Spider Argiope mangal (Mangroves of Singapore), the Mangrove Big-jawed Spider Tetragnatha josephi (Common Singapore Spiders), the Leaf-Dwelling Daddy-Long-Leg Uthina atrigularis (Common Singapore Spiders), and a jumping spider Bathippus digitalis (Salticidae of the World). Endemic insects include a minute marsh-loving beetle Parathroscinus magnus (p. 3 of Raffles Museum pdf file), a dance fly Empis producta (p. 4 of Raffles Museum pdf file), and an endemic genus of longlegged fly Ngirhaphium murphyi (p. 11 of Raffles Museum pdf file). Other endemic invertebrates include a harvestman Stylocellus ramblae (AAS pdf file), a land snail Cyclophorus aquilusa (Femorale), and a mangrove-dwelling sea slug Elysia singaporensis (p. 3 of Raffles Museum pdf file).

Among seven vascular plants exclusive to Singapore (habitatnews), all are believed extinct except for the Bukit Timah Cryptocoryne Cryptocoryne timahensis (See Nature). An endemic nonvascular plant is the liverwort Jackiella singapurensis (p. 12 of SEKJ pdf file).

Singapore is part of the Peninsular Malaysian Rain Forests terrestrial ecoregion (EoE) and the Sundaland biodiversity hotspot (Biodiversity Hotspots).