Chesher, Richard H. <br/><br/>
The systematics of sympatric species in West Indian spatangoids  a revision of the genera Brissopsis, Plethotaenia, Paleopneustes, and Saviniaster 
by Richard H. Chesher. 
 - Coral Gables, Fla.  University of Miami Press  [1968] 
 - vii, 168 p.  35 plates.  24 cm. 
 - Studies in tropical oceanography  no. 7 Contribution no. 946 from the Institute of Marine Sciences, University of Miami. .
<br/><br/>Bibliography: p. 163-168. 
<br/><br/><label>LCCN: </label>68030264 //r89 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sea urchins--West Indies.
<br/><br/><label>LC Class. No.: </label>QH91.A1  / S8 no. 7 
<br/><br/><label>Dewey Class. No.: </label>593/.95