Hanson, Earl D, <br/><br/>
The origin and early evolution of animals /  [print] 
by Earl D. Hanson. 
 - first edition. 
 - Middletown, Connecticut :  Wesleyan University Press,  (c)1977. 
 - ix, 670 pages :  illustrations ;  26 cm. 
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<br/><br/><label>ISBN: </label>9780819550088 
<br/><br/><label>LCCN: </label>76041480 
<br/><br/><label>Nat. Bib. No.: </label>B7721875 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution (Biology)
<br/><br/><label>LC Class. No.: </label>QH366 QH366.H251.O754 1977