ProtoDeuteroTREE.jpg, 12K
Zoology 250 (2002)

PROTOSTOMIA &
DEUTEROSTOMIA

(click on tree to see full cladogram)


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Two major divisions of the Bilateria (Protostomia & Deuterostomia) exhibit many differences:


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Copyright © 2002 by A. Richard Palmer. All rights reserved.
(revised Feb. 3, 2002)