Churcher, C. S., 1928-  Churcher, C. S., 1928- <br/><br/>
The status of Smilodontopsis (Brown, 1908) and Ischyrosmilus (Merriam, 1918). 

 - Life sciences contributions ;  no. 140 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Smilodon -- Classification.--Smilodon -- Classification.<br/>Felidae, Fossil -- Classification.--Felidae, Fossil -- Classification.<br/>Paleontology -- Quaternary.--Paleontology -- Quaternary.<br/>Paleontology -- North America.--Paleontology -- North America.