A spiny aptychus from the Cretaceous of Kansas /
| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
Lawrence,
[publisher not identified] ;
1953.
|
| Series: | Bulletin (Kansas Geological Survey) ;
102, pt. 2. Reports of studies (Kansas Geological Survey) ; 1953, pt. 2. |
| Subjects: |
| Item Description: | Title page lacking. |
|---|---|
| Physical Description: | 80-92 pages : illustrations |
| Bibliography: | "References": pages 91-92. |