...The frogs in this phyletic line retained the moderatesize of the prototype and did not develop additional dermal bone...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...Consequently, we hypothesize the independentdevelopment of these dermal changes in S...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...Similar kinds of dermal modifications have evolved independently in manydiverse groups of frogs...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...Furthermore, the dermal roof above theadductor chamber slopes gently downward from behind the orbitto its contact with the occipital plate in Dimetrodon...
Richard C. Fox 「The Adductor Muscles of the Jaw In Some Primitive Reptiles」
...Anal opening at thelevel of the upper edge of thighs; anal flap short; anal opening bordered aboveby thin transverse dermal fold and laterally by heavy dermal fold...
William E. Duellman 「A Review of the Middle American Tree Frogs of the Genus Ptychohyla」
...Anal opening near upper edge ofthighs; short anal flap bordered above by thin dermal fold; small tuberclesand heavy dermal fold lateral to anal opening...
William E. Duellman 「A Review of the Middle American Tree Frogs of the Genus Ptychohyla」
...A heavy dermal fold fromposterior corner of eye above tympanum to point above insertion of forearm,covering upper edge of tympanum; tympanum round, its diameter equal toits distance from eye...
William E. Duellman 「A Review of the Middle American Tree Frogs of the Genus Ptychohyla」
...Though not swift of foot, thefrogs are elusive because of their tendency to keep under cover,their slippery dermal secretion, and the ease with which they findand enter holes, or crevices to escape...
Henry S. Fitch 「Field Study of Kansas Ant-Eating Frog」
...In amplexusthe members of a pair sometimes become glued together by theirviscous dermal secretions...
Henry S. Fitch 「Field Study of Kansas Ant-Eating Frog」
...; thin dermal fold extending posteriorly from posteriorcorner of eye, obscuring upper edge of tympanum, curving downward topoint above insertion of arm...
William E. Duellman 「Descriptions of New Hylid Frogs From Mexico and Central America」
...Anal opening directed posteriorly at level of dorsal surfaces ofthighs, bordered below by vertical dermal folds and few small tubercles;anal sheath absent...
William E. Duellman 「Descriptions of New Hylid Frogs From Mexico and Central America」
...; heavy dermal fold extending from posterior corner ofeye, over upper edge of tympanum to point above insertion of arm;tympanum distinct, its diameter 3...
William E. Duellman 「Descriptions of New Hylid Frogs From Mexico and Central America」
...)The skull in both orders has lost a number of primitive dermal bones inthe posterior part; these are: basioccipital, supraoccipital,postparietal, intertemporal, supratemporal, and tabular...
Theodore H. Eaton 「The Ancestry of Modern Amphibia: A Review of the Evidence」
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