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- Halisaurinae abstract "Halisaurinae is a subfamily of mosasaurs, a diverse group of Late Cretaceous marine squamates.Bardet et al. (2005, p. 464) diagnosed the Halsaurinae as all mosasaurs more closely related to Halisaurus than Moanasaurus. Unambiguous character states were listed as follows: "premaxilla-maxilla sutural contact vertical anteriorly, oblique at midpoint and horizontal posteriorly; contact plane between the parietal and the supratemporal oblique; preaxial ridge extending on two-thirds of the length of the radius; tibia and fibula long and slender with slightly expanded extremities. Ambiguous characters include "dorsal median ridge borne on the anterior two-thirds of the frontal; frontal with ventral boss; parietal foramen surrounded by a ventral boss; quadrate with large infrastapedial process; coalescent infra- and suprastapedial processes of quadrate; zygosphene-zygantrum complex absent; synapophyses of the cervical vertebrae extending ventrally to the ventral surface of the centrum; fused haemal spines."Designation of this subfamily followed many decades of confusion surrounding the type genus, Halisaurus, especially H. sternbergii, a species from the Mooreville Chalk Formation of Alabama and the Niobrara Chalk of Kansas. Originally, the species had been referred to the mosasaurine Clidastes, then to Halisaurus (Russell, 1967; p. 369 ), which was also considered a member of the Mosasaurinae at that time. Later workers questioned the phylogenetic position and monophyly of Halisaurus, in part because of striking morphological differences between H. sternbergii and the other known species of the taxon. Finally, Bardet et al. (2004) determined that H. sternbergii was not conspecific with the other members of the genus and erected a new genus, Eonatator, as well a new new subfamily, consisting of Eonatator and Halisaurus. Halisaurines (as members of this subfamily are collectively and informally known) were small to medium-sized mosasaurs averaging 4.5-6+ meters in length. Of all known mosasaurids, they were the least adapted to a marine lifestyle. Halisaurines are known from North America, Europe, South America, and Africa. The earliest known remains of halisaurines occur in rocks of Santonian age and the subfamily persists until the latest Maastrichtian. The etymology of this group derives from the genus Halisaurus (Greek halis = "sea" + Greek sauros = "lizard").".
- Halisaurinae class Sauropsida.
- Halisaurinae family Mosasaur.
- Halisaurinae kingdom Animal.
- Halisaurinae order Anguimorpha.
- Halisaurinae order Scleroglossa.
- Halisaurinae phylum Chordate.
- Halisaurinae thumbnail Halisaurus_BW.jpg?width=300.
- Halisaurinae wikiPageExternalLink Halisaurus.html.
- Halisaurinae wikiPageID "4724323".
- Halisaurinae wikiPageRevisionID "544346797".
- Halisaurinae classis "Sauropsida".
- Halisaurinae familia Mosasaur.
- Halisaurinae fossilRange Late_Cretaceous.
- Halisaurinae hasPhotoCollection Halisaurinae.
- Halisaurinae imageCaption "Halisaurus".
- Halisaurinae imageWidth "250".
- Halisaurinae infraordo Anguimorpha.
- Halisaurinae name "Halisaurinae".
- Halisaurinae phylum Chordate.
- Halisaurinae regnum "Animalia".
- Halisaurinae subdivision "* Eonatator * Halisaurus".
- Halisaurinae subdivisionRanks "Genera".
- Halisaurinae subfamilia "Halisaurinae".
- Halisaurinae subfamiliaAuthority "Bardet et al., 2005".
- Halisaurinae subordo Scleroglossa.
- Halisaurinae subject Category:Mosasaurs.
- Halisaurinae type Animal.
- Halisaurinae type Eukaryote.
- Halisaurinae type Reptile.
- Halisaurinae type Species.
- Halisaurinae type Reptile.
- Halisaurinae type Organism.
- Halisaurinae comment "Halisaurinae is a subfamily of mosasaurs, a diverse group of Late Cretaceous marine squamates.Bardet et al. (2005, p. 464) diagnosed the Halsaurinae as all mosasaurs more closely related to Halisaurus than Moanasaurus.".
- Halisaurinae label "Halisaurinae".
- Halisaurinae label "Halisaurinae".
- Halisaurinae label "大洋龍亞科".
- Halisaurinae sameAs Halisaurinae.
- Halisaurinae sameAs m.0ck5b7.
- Halisaurinae sameAs Q5642469.
- Halisaurinae sameAs Q5642469.
- Halisaurinae wasDerivedFrom Halisaurinae?oldid=544346797.
- Halisaurinae depiction Halisaurus_BW.jpg.
- Halisaurinae isPrimaryTopicOf Halisaurinae.
- Halisaurinae name "Halisaurinae".
