This makes attempts to reconstruct " Hypuronector "'s body or lifestyle highly speculative and controversial.
Aerial locomotion has been attributed to at least two drepanosaur genera : " Megalancosaurus " and " Hypuronector ".
So far dozens of specimens of " Hypuronector " are known, but despite this, scientists have not found any complete skeletons.
""'Hypuronector " "'is a genus of extinct reptile from the Triassic Period that lived in what is now New Jersey.
Renesto and colleagues instead defined a new clade, Drepanosauromorpha, as the least inclusive clade containing " Hypuronector limnaios " and " Megalancosaurus pronenesis ".
Senter found that " Hypuronector ", originally described as a drepanosaurid, actually lies just outside that family, along with the primitive drepanosaur " Vallesaurus ".
The etymology of the name translates as " deep-tailed swimmer from the lake . " A member of the Simiosauria, " Hypuronector " is related to the arboreal " Megalancosaurus ".
In addition, " Vallesaurus " also differs from " Hypuronector ", a related drepanosaur, in having anteroposteriorly extended neural spines of the anterior dorsal vertebrae and forelimbs much shorter than the hindlimbs.
In 2004, Senter dismissed this idea, while Colbert and Olsen, in their description of " Hypuronector ", state that while other drepanosaurs were probably arboreal, " Hypuronector " was uniquely adapted to aquatic life.
In 2004, Senter dismissed this idea, while Colbert and Olsen, in their description of " Hypuronector ", state that while other drepanosaurs were probably arboreal, " Hypuronector " was uniquely adapted to aquatic life.