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| The relationships and zoogeography of the genus Thalerophis Oliver. Bulletin of the AMNH ; v. 92, article 4 |
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| Title: | The relationships and zoogeography of the genus Thalerophis Oliver. Bulletin of the AMNH ; v. 92, article 4 |
| Other Titles: | Thalerophis |
| Authors: | Oliver, James Arthur, 1914- |
| Issue Date: | 1948 |
| Publisher: | New York : [American Museum of Natural History] |
| Series/Report no.: | Bulletin of the American Museum of Natural History ; v. 92, article 4 |
| Abstract: | "The genus Thalerophis Oliver is composed of six species; four of these are monotypic, one embraces two subspecies, and another contains 12 subspecies. All have the posteriormost maxillary teeth enlarged but not grooved; the hemipenis may or may not have enlarged basal spines; the dorsal scale formula is 15-15-11, and keels are present on the scales of at least two rows; the ventrals vary in number from 133 to 184 plates; the upper labials are eight or nine in number, with two shields in contact with the orbit; the loreal shield is present or absent; the oculars are one preocular and two postoculars; the temporals normally consist of one anterior and two posterior shields; and all have some green in the coloration, which in the adults is usually a uniform green or with dark longitudinal stripes, but one species has an adult color pattern of narrow, dark transverse bands. The genus occurs in the warm, relatively humid lowlands of the mainland of Latin America from northern Mexico to nor... |
| Description: | p. 161-280, [4] p. of plates : ill., maps ; 27 cm. Includes bibliographical references (p. 274-280). |
| URI: | http://hdl.handle.net/2246/1209 |
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