The hammerhead worms, also known as the broadhead planarian, is toxic and dangerous enough that can harm pets and small ...

Hammerhead flatworms are, you guessed it, flat in appearance. The group of worms is usually referred to as the broadhead planarians and contains more than 200 different species, experts said.

Here are three of these amazing creatures. The ability of planarian worms to regenerate themselves if split in two has been known since the late 19th Century, but these animals went viral in 2012 ...

From a distance these flatworms look just like any other worm, but a closer examination ... the Wandering Broadhead Planarian (Bipalium adventitium) and Three-Lined Land Planarian (Bipalium ...