Pechenik, Jan A. <br/><br/>
Biology of the invertebrates /  
Jan A. Pechenik. 
 - 4th ed. 
 - Boston :  McGraw-Hill,  2000 
 - xiv, 578 p.  ill. (some col.) ;  29 cm. 
<br/><br/> Includes bibliographical references. 
<br/><br/>1 Environmental Considerations<br/>2  Invertebrate Classification<br/>3  The Protozoans<br/>4  The Poriferans and Placozoans<br/>5  Introduction to the Hydrostatic Skeleton<br/>6  The Cnidarians<br/>7  The Ctenophores<br/>8  The Platyhelminthes<br/>9  Possible Flatworm Relatives: The Mesozoans<br/>10 The Nemertines<br/>11 The Rotifers and Acanthocephalans<br/>12 The Molluscs<br/>13 The Annelids and Sipunculans<br/>14 The Arthropods<br/>15 Two Phyla of Likely Arthropod Relatives: Tardigrades and Onychophorans<br/>16 The Nematodes<br/>17 Four Phyla of Likely Nematode Relatives: Nematomorpha, Priapulida, Kinorhyncha, and Loricifera <br/>18 Five Phyla of Uncertain Affiliation: Myxozoa, Gnathostomulida, Gastrotricha, Xenoturbella bocki, Chaetognatha, and Cyliophora<br/>19 The Lophophorates (Phoronids, Brachiopods, Bryozoans) and Entoprocts<br/>20 The Echinoderms<br/>21 The Hemichordates<br/>22 The Nonvertebrate Chordates<br/>23 Invertebrate Reproduction and Development—An Overview<br/>Glossary<br/>Index<br/><br/> 
<br/><br/><label>ISBN: </label>0070122040 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates.
<br/><br/><label>Dewey Class. No.: </label>592  / P365