Definition of Pachyrhachis. Meaning of Pachyrhachis. Synonyms of Pachyrhachis

- the form of small spurs, the tiny legs of Pachyrhachis included a hip, knee, and ankle joint. Pachyrhachis was originally described by Haas (1979, 1980)...
- lizards. Ophidia was defined as the "most recent common ancestor of Pachyrhachis and Serpentes (modern snakes), and all its descendants" by Lee and Caldwell...
- to be more plesiomorphic than other Cretaceous limbed snakes, such as Pachyrhachis, Haasiophis or Eupodophis, in retaining a sacro-iliac contact and well-developed...
- Along with its sister genus Pachyrhachis, Haasiophis does not possess either a sacral rib or vertebrae. Also like Pachyrhachis there is no preserved indication...
- connection to the vertebrae. These include fossil species like Haasiophis, Pachyrhachis and Eupodophis, which are slightly older than Najash. This hypothesis...
- and a sacrum Najash Simoliophiidae Eupodophis Haasiophis Pachyophis Pachyrhachis Madtsoiidae Alamitophis Gigantophis Madtsoia Menarana Nidophis Powellophis...
- PMID 30718525. Other known fossil snakes with developed hindlimbs, Haasiophis, Pachyrhachis and Eupodophis—all found in marine environments—all lack a sacral region...
- Sapindales Family: Meliaceae Genus: Dysoxylum Species: D. pachyrhache Binomial name Dysoxylum pachyrhache Merr. Synonyms Epicharis pachyrhachis (Merr.) Harms...
- and a sacrum Najash Simoliophiidae Eupodophis Haasiophis Pachyophis Pachyrhachis Madtsoiidae Alamitophis Gigantophis Madtsoia Menarana Nidophis Powellophis...
- had hind legs is confirmed by fossil evidence: the Cretaceous snake Pachyrhachis problematicus had hind legs complete with hip bones (ilium, pubis, ischium)...