Polyclad

The following table lists the species in this taxon assessed under the Singapore Red List, which is intended to be published in the third edition of the Singapore Red Data Book in future.

You may find information regarding the International Union for Conservation of Nature (IUCN), Red Data Book version 2 (RDB2) and Red Data Book version 3 (RDB3) conservation statuses. The IUCN conservation status is assessed globally while the RDB2 and RDB3 conservation statuses are assessed locally.

The information below is accurate as at the time of the listing on-line for the taxon.

Checklist of Polyclad species from Singapore

No.	Phylum	Class	Order	Suborder	Family	Genus	Species	Common name	Global IUCN Status	RDB2 Status	RDB3 Status
No.	Phylum	Class	Order	Suborder	Family	Genus	Species	Common name	Global IUCN Status	RDB2 Status	RDB3 Status
1	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudoceros	bifurcus	Racing-stripe Flatworm	Not Listed	Not Listed	DD
2	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudoceros	caeruleocinctus		Not Listed	Not Listed	DD
3	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudoceros	concinnus	Blue-lined Flatworm	Not Listed	Not Listed	VU
4	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudoceros	cf. cruentus		Not Listed	Not Listed	DD
5	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudoceros	duplicinctus		Not Listed	Not Listed	DD
6	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudoceros	indicus	Blue-dotted Margined Flatworm	Not Listed	Not Listed	VU
7	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudoceros	laingensis	Purple-spotted Flatworm	Not Listed	Not Listed	VU
8	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudoceros	microcelis		Not Listed	Not Listed	DD
9	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudoceros	meenae		Not Listed	Not Listed	DD
10	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudoceros	paralaticlavus		Not Listed	Not Listed	DD
11	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudoceros	cf. prudhoei		Not Listed	Not Listed	DD
12	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudoceros	cf. rubronanus		Not Listed	Not Listed	DD
13	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudoceros	rubrotentaculatus		Not Listed	Not Listed	DD
14	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudoceros	scintillatus		Not Listed	Not Listed	DD
15	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudoceros	cf. stimpsoni		Not Listed	Not Listed	DD
16	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudoceros	cf. gamblei		Not Listed	Not Listed	DD
17	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudoceros	susanae		Not Listed	Not Listed	DD
18	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudobiceros	bajae		Not Listed	Not Listed	DD
19	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudobiceros	bedfordi	Persian Carpet Flatworm	Not Listed	Not Listed	DD
20	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudobiceros	damawan		Not Listed	Not Listed	DD
21	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudobiceros	flowersi	Olive Flatworm	Not Listed	Not Listed	DD
22	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudobiceros	fulgor	Fine-lined Flatworm	Not Listed	Not Listed	DD
23	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudobiceros	hancockanus		Not Listed	Not Listed	VU
24	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudobiceros	hymanae		Not Listed	Not Listed	DD
25	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudobiceros	stellae		Not Listed	Not Listed	VU
26	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Pseudobiceros	cf. kryptos		Not Listed	Not Listed	DD
27	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Acanthozoon	sp. 1	Golden-speckled Flatworm	Not Listed	Not Listed	VU
28	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Thysanozoon	lagidium		Not Listed	Not Listed	DD
29	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Thysanozoon	nigropapillosum	Golden-spotted Flatworm	Not Listed	Not Listed	DD
30	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Thysanozoon	nigrum		Not Listed	Not Listed	DD
31	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Tytthosoceros	lizardensis	Olive Flatworm	Not Listed	Not Listed	VU
32	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Nymphozoon	bayeri	Bayeri’s Flatworm	Not Listed	Not Listed	DD
33	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Nymphozoon	orsaki		Not Listed	Not Listed	DD
34	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pseudocerotidae	Phrikoceros	baibaiye	Ruby Flatworm	Not Listed	Not Listed	DD
35	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Euryleptidae	Cycloporus	venetus		Not Listed	Not Listed	DD
36	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Euryleptidae	Eurylepta	aurantiaca		Not Listed	Not Listed	DD
37	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Euryleptidae	Maritigrella	fuscapunctata		Not Listed	Not Listed	DD
38	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Euryleptidae	Maritigrella	virgulata		Not Listed	Not Listed	DD
39	Platyhelminthes	Rhabditophora	Polycladida	Cotylea	Pericelididae	Pericelis	byerleyana		Not Listed	Not Listed	DD
40	Platyhelminthes	Rhabditophora	Polycladida	Acotylea	Callioplanidae	Meixneria	cf. furva		Not Listed	DD	DD
41	Platyhelminthes	Rhabditophora	Polycladida	Acotylea	Limnostylochidae	Limnostylochus	sp.	Mangrove Flatworm	Not Listed	DD	DD
42	Platyhelminthes	Rhabditophora	Polycladida	Acotylea	Gnesiocerotidae	Gnesioceros	cf. sargassicola	Sargassum Flatworm	Not Listed	Not Listed	DD

The list of the Categories used in 3^rd edition of the Red List is:

	Category	Abbreviation	Criteria
Not Threatened	Least Concern	LC	Not approaching the above criteria
Not Threatened	Near-Threatened	NT	Approaching but not yet reaching the threshold for the above criteria
Threatened	Vulnerable	VU	There are fewer than 1,000 mature individuals but more than 250 and there may or may not be any other evidence of decline, small range size or fragmentation.
	Endangered	EN	There are fewer than 250 mature individuals and no other evidence of decline or fragmentation.
	Critically Endangered	CR	There are fewer than 50 mature individuals, OR if more than 50 mature individuals but less than 250, with some evidence of decline or fragmentation.
Extirpation & Extinction	Presumed Nationally Extinct	NEx	The species is extinct (extirpated) within Singapore but it still survives outside Singapore.
Extirpation & Extinction	Globally Extinct	EX	The species is extinct all over the world, both in the wild and in cultivation
Other Categories	Data Deficient	DD	Inadequate information to make an informed assessment
	Not Applicable	NA	Species that are not eligible for assessment at the national level (mainly introduced taxa and vagrants)
	Not Evaluated	NE	Species that are possibly eligible for assessment but have not yet been evaluated against the criteria
	Not Listed	NL	Species not listed in the records (in the IUCN Global Red List database, or the first edition Singapore Red Data Book - RDB 1 and second edition Singapore Red Data Book - RDB 2) for whatever reason