Cephalaspis

A Dictionary of Earth Sciences | 1999 | 259 words | Copyright

Cephalaspis (order Osteostraci) One of the best known osteostracans. The bony head shield tapered posteriorly and laterally to form two ‘horns’. The body segments were freed from the head shield, allowing greater mobility than in earlier genera.

Cite this article
Pick a style below, and copy the text for your bibliography.

MLA
Chicago
APA

AILSA ALLABY and MICHAEL ALLABY. "Cephalaspis." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "Cephalaspis." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O13-Cephalaspis.html

AILSA ALLABY and MICHAEL ALLABY. "Cephalaspis." A Dictionary of Earth Sciences. 1999. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-Cephalaspis.html

Learn more about citation styles