Henry, Thomas W. <br/><br/>
The barchiopod antiquatonia coloradoensis (Girty) from the upper morrowan and atokan (Lower Middle Pennsylvanian) of the United States / 
by Thomas W. Henry 
 - Washington, D.C. :  United States Government Printing Office,  1998 
 - v, 32 p. :  ill., plates ;  28 cm. 
 - United States Gelogical Survey Professional Paper no.1588 .
<br/><br/> Cover title 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Brachiopoda, Fossil<br/>Lamp shells--paleozoology
<br/><br/><label>Dewey Class. No.: </label>564.68