Sea Scorpions

THESE RELATIVES of modern scorpions and horseshoe crabs were found in freshwater and sea between 440 million and 250 million years ago. Sea scorpions used their paddlelike limbs to swim rapidly. The larger species grew up to 7 feet (2.1m) and caught fish with their huge pincers.

EURYPTERUS
This sea scorpion, about 5 inches (12.5cm) long, became extinct about 250 million years ago.

HORSESHOE CRAB
The modern Limulus is similar to Mesolimulus - an extinct horseshoe crab that live in the sea about 150 million years ago.


Captured from a WONDERFUL MULTIMEDIA CD-ROM title,
"Eyewitness Encyclopedia of Nature",
Dorling Kindersley Multimedia, 1995

Dorling Kindersly Multimedia
(reviewed by Univ. of Texsas Library)
http://volvo.gslis.utexas.edu/~reviews/dkmm.html

For more images captured from the CD-ROM title,
http://bioinfo.kordic.re.kr/animal/APAsrch2.cgi?qt=DKMMNature-