HOWARTH, Michael K. <br/><br/>
The ammonite family hildoceratidae in the lower jurassic of britain / 
Michael K. Howarth. 
 -- London :   The Paleontographical Society,   1992 
 - v. -- 
 (Monograh of the palaeontographical Society  ;  586, 590).
<br/><br/>Contiene : Part 1. : 106 p., [16] h. de lam. -- Part 2. : p. 107-200, [21] h. de lam. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Estratigrafía<br/>Paleogeología
<br/><br/><label>Universal Decimal Class. No.: </label>551.762(41)