Characteristics of Metazoan development / Gary J. Brusca, Richard C. Brusca, and Scott F. Gilbert
The concept of larvae / Paul E. Fell
Dicyemid Mesozoans / Piroschka Horvath
Porifera, the sponges / Paul E. Fell
Cnidarians, the jellyfish and hydras / Vicki J. Martin
Ctenophorans, the comb jellies / Mark Q. Martindale and Jonathan Henry
Platyhelminths, the flatworms / Charles H. Ellis, Jr. and Anne Fausto-Sterling
Nematodes, the roundworms / Einhard Schierenberg
Nemerteans, the ribbon worms / Jonathan Henry and Mark Q. Martindale
Sipunculans and echiurans / John F. Pilger
Gastropods, the snails / J.R. Collier
Annelids, the segmented worms / Marty Shankland and Robert M. Savage
Arthropods : the crustaceans, spiders, and myriapods / Scott F. Gilbert
Arthropods : the insects / Fritz E. Schwalm
Phoronids, brachiopods, and bryozoans, the lophophorates / Russel L. Zimmer
Echinoderms / Gregory A. Wray
Tunicates / William R. Jeffrey and Billie J. Swalla
Cephalochordates, the lancelets / J.R. Whittaker
Fishes / James Langeland and Charles Kimmel
Amphibians / Richard P. Elinson
Reptiles and birds / Gary C. Schoenwolf
Mammals / Yolanda P. Cruz
Plant life cyles and angiosperm development / Susan R. Singer.
