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Plat·y·hel·min·thes
[plat-ee-hel-min-theez]
NOUN
1.
a phylum of worms having bilateral symmetry and a soft, usually flattened body, comprising the flatworms.
Source: Dictionary.com
Platyhelminthes | Define Platyhelminthes at Dictionary.com
dictionary.reference.com/browse/Platyhelminthes
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en.wikipedia.org/wiki/Flatworm

The flatworms, flat worms, Platyhelminthes, Plathelminthes, or platyhelminths are a phylum of relatively simple bilaterian, unsegmented, soft-bodied ...

www.ucmp.berkeley.edu/platyhelminthes/platyhelminthes.html

The simplest animals that are bilaterally symmetrical and triploblastic (composed of three fundamental cell layers) are the Platyhelminthes, the flatworms.

eol.org/pages/2884/overview

There are around 29,000 described species in the phylum Platyhelminthes ( Zhang 2011). Platyhelminths, or flatworms, include both free-living and parasitic ...

animaldiversity.org/accounts/Platyhelminthes

Flatworms are unsegmented, bilaterally symmetrical worms that lack a coelom ( acoelomate) but that do have three germ layers. Some forms are free living but ...

www.encyclopedia.com/plants-and-animals/animals/zoology-invertebrates/platyhelminthes

Get information, facts, and pictures about Platyhelminthes at Encyclopedia.com. Make research projects and school reports about Platyhelminthes easy with ...

tolweb.org/Platyhelminthes/2477

Turbellaria. Nemertodermatida; Acoela; Catenulida; Macrostomida; Lecithoepitheliata; Rhabdocoela; Prolecithophora; Proseriata; Tricladida; Polycladida.

www.bumblebee.org/invertebrates/PLATYHELMINTHES.htm

Platyhelminthes - flat worms, flukes, tape worms, etc. natural history, taxonomy, physiology, and body pattern. Tapeworms found in humans.

www.earthlife.net/inverts/platyhelminthes.html

An introduction to the biology, classification and ecology of Flatworms and Tapeworms the phylum Platyhelminthes.