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- Pythonomorpha abstract "Pythonomorpha was originally proposed by paleontologist Edward Drinker Cope (1869) as a reptilian order comprising snakes and mosasaurs. The etymology of the term Pythonomorpha comes from the Greek Python (a monstrous snake from Greek mythology) and morphe ("form"), and refers to the generally serpentine body plan of members of the group. Cope wrote, "In the mosasauroids, we almost realize the fictions of snake-like dragons and sea-serpents, in which men have been ever prone to indulge. On account of the ophidian part of their affinities, I have called this order Pythonomorpha."However, the category was rejected by most 20th-Century herpetologists and paleontologists, who sought, instead, to demonstrate a close relationship between mosasaurs and varanid (monitor) lizards and who generally considered snakes to have evolved from terrestrial, burrowing lizards (see, for example, Russell, 1967). Cope's Pythonomorpha was later resurrected by a number of paleontologists (Lee, 1997; Caldwell et Lee, 1997) who have conducted cladistic analyses which seem to show that snakes and mosasaurs may be more closely related to one another than either is to the varanid lizards, and that snakes more likely arose from aquatic ancestors. As redefined by Lee (1997), the monophyletic Pythonomorpha consists of "The most recent common ancestor of mosasauroids and snakes, and all its descendants." This would include the aigialosaurs, dolichosaurs, coniasaurs, mosasaurs, and all snakes. Lee (1997) was able to show no less than 38 synapomorphies supporting Pythonomorpha.The validity of Pythonomorpha remains debated however, indeed there is no consensus about the relationships of snakes or mosasaurs to each other, or to the rest of the lizards. An analysis by Conrad (2008) placed mosasaurs with varanoid lizards, and snakes with skinks. The most recent analysis, by Gauthier et al. (2012) suggests that mosasaurs are more primitive than either snakes or varanoids.".
- Pythonomorpha thumbnail Pythonomorphan2.JPG?width=300.
- Pythonomorpha wikiPageID "4747567".
- Pythonomorpha wikiPageRevisionID "553965864".
- Pythonomorpha hasPhotoCollection Pythonomorpha.
- Pythonomorpha subject Category:Squamata.
- Pythonomorpha type Covering109257949.
- Pythonomorpha type NaturalObject100019128.
- Pythonomorpha type Object100002684.
- Pythonomorpha type PhysicalEntity100001930.
- Pythonomorpha type Scale101902877.
- Pythonomorpha type Squama101903234.
- Pythonomorpha type Squamata.
- Pythonomorpha type Whole100003553.
- Pythonomorpha type Animal.
- Pythonomorpha type Eukaryote.
- Pythonomorpha type Species.
- Pythonomorpha type Reptile.
- Pythonomorpha type Organism.
- Pythonomorpha comment "Pythonomorpha was originally proposed by paleontologist Edward Drinker Cope (1869) as a reptilian order comprising snakes and mosasaurs. The etymology of the term Pythonomorpha comes from the Greek Python (a monstrous snake from Greek mythology) and morphe ("form"), and refers to the generally serpentine body plan of members of the group. Cope wrote, "In the mosasauroids, we almost realize the fictions of snake-like dragons and sea-serpents, in which men have been ever prone to indulge.".
- Pythonomorpha label "Pythonomorpha".
- Pythonomorpha sameAs m.0cl6fg.
- Pythonomorpha sameAs Q4180380.
- Pythonomorpha sameAs Q4180380.
- Pythonomorpha sameAs Pythonomorpha.
- Pythonomorpha wasDerivedFrom Pythonomorpha?oldid=553965864.
- Pythonomorpha depiction Pythonomorphan2.JPG.
- Pythonomorpha isPrimaryTopicOf Pythonomorpha.
