Description: Uber die innere organisation und stammesgeschichte einiger irregularer seeigel der obern kreide/

Main Author:	Klinghardt, Franz
Format:	Book
Language:	German
Published:	Jena: [Εrmann Pohle], 1911
Subjects:	Sea urchins, Fossil Paleontology

Physical Description:	27 p. ; 27 cm.
Bibliography:	Includes bibliographical references