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قراءة كتاب North American Recent Soft-Shelled Turtles (Family Trionychidae)
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اللغة: English
North American Recent Soft-Shelled Turtles (Family Trionychidae)
الصفحة رقم: 1
University of Kansas Publications
Museum of Natural History
Volume 13, No. 10, pp. 429-611, pls. 31-54, 24 figs.
February 16, 1962
North American Recent Soft-shelled Turtles
(Family Trionychidae)
BY
ROBERT G. WEBB
University of Kansas
Lawrence
1962
University of Kansas Publications, Museum of Natural History
Editors: E. Raymond Hall, Chairman, Henry S. Fitch,
Robert W. Wilson
Volume 13, No. 10, pp. 429-611, pls. 31-54, 24 figs.
Published February 16, 1962
University of Kansas
Lawrence, Kansas
PRINTED IN
THE STATE PRINTING PLANT
TOPEKA, KANSAS
1962
28-7818
North American Recent Soft-shelled Turtles
(Family Trionychidae)
BY
ROBERT G. WEBB
| PAGE | |
| Contents | 431 |
| Introduction | 433 |
| Collecting Methods | 434 |
| Materials and Procedure | 437 |
| Acknowledgments | 439 |
| Taxonomy | 439 |
| Family Trionychidae Bell, 1828 | 439 |
| Genus Trionyx Geoffroy, 1809 | 443 |
| Variation | 445 |
| Secondary Sexual Variation | 446 |
| Ontogenetic Variation | 449 |
| Geographic Variation | 453 |
| Character Analysis | 460 |
| Composition of the Genus Trionyx in North America | 476 |
| Artificial Key to North American Species and Subspecies of the Genus Trionyx | 476 |
| Systematic Account of Species and Subspecies | 479 |
| Trionyx ferox | 479 |
| Trionyx spinifer | 486 |
| Trionyx spinifer spinifer | 489 |
| Trionyx spinifer hartwegi | 497 |
| Trionyx spinifer asper | 502 |
| Trionyx spinifer emoryi | 510 |
| Trionyx spinifer guadalupensis | 517 |
| Trionyx spinifer pallidus | 522 |
| Trionyx ater | 528 |
| Trionyx muticus |