Information about Polycotylidae
| Polycotylidae Fossil range: Cretaceous | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
) Trinacromerum bentonianum from the Late Cretaceous of Kansas Trinacromerum bentonianum from the Late Cretaceous of Kansas | ||||||||||||
| Conservation status | ||||||||||||
|
Extinct (fossil) | ||||||||||||
| Scientific classification | ||||||||||||
| ||||||||||||
| Genera | ||||||||||||
|
Brachauchenius Ceraumasaurus Dolichorhynchops Edgarosaurus Georgiasaurus Manemergus Polycotylus Procotylus Sulcusuchus Thililua Trinacromerum | ||||||||||||
Polycotylidae is a family of large plesiosaurs from the Cretaceous, a sister group to the elasmosauridae.
With their short necks and large elongated heads, they resemble the pliosaurs, but closer phylogenetical studies indicate that they share many common features with the plesiosauridae and elasmosauridae. They have been found worldwide, with specimens reported from New Zealand, Australia, Japan, Morocco, the USA, Canada, the former states of the USSR and South America.
References
- Palæos: The Vertebrates, Lepidosauromorpha: Cryptocleidoidea: Tricleidia
The Cretaceous Period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic Period (i.e. from 145.5 ± 4.0 million years ago (Ma)) to the beginning of the Paleocene epoch of the Tertiary Period (about 65.5 ± 0.3 Ma).
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Trinacromerum
Trinacromerum is an extinct genus of sauropterygian reptile belonging to the plesiosaur suborder. It lived during the Late Cretaceous period in what is now Kansas. It was 3 meters (10 feet) long.
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Trinacromerum is an extinct genus of sauropterygian reptile belonging to the plesiosaur suborder. It lived during the Late Cretaceous period in what is now Kansas. It was 3 meters (10 feet) long.
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conservation status of a species is an indicator of the likelihood of that species continuing to survive either in the present day or the future. Many factors are taken into account when assessing the conservation status of a species: not simply the number remaining, but the
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- For other uses of the term, see Fossil (disambiguation)
FOSSIL is a standard for allowing serial communication for telecommunications programs under the DOS operating system.
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Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. Scientific classification also can be called scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis.
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Chordata
Bateson, 1885
Typical Classes
See below
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Bateson, 1885
Typical Classes
See below
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Sauropsida*
Goodrich, 1916
Subclasses
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Goodrich, 1916
Subclasses
- Anapsida
- Diapsida
- Reptilia Laurenti, 1768
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Plesiosauria
de Blainville, 1835
Suborders
Plesiosauroidea
Pliosauroidea
Plesiosauria (IPA /ˈplisiəˌsɔɹ/) (Greek: plesios meaning 'near to' and
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de Blainville, 1835
Suborders
Plesiosauroidea
Pliosauroidea
Plesiosauria (IPA /ˈplisiəˌsɔɹ/) (Greek: plesios meaning 'near to' and
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Plesiosauroidea
Gray, 1825
Families
Cimoliasauridae
Cryptoclididae
Elasmosauridae
Plesiosauridae
Polycotylidae
Plesiosaurs (IPA /ˈplisɪəˌsɔɹ/
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Gray, 1825
Families
Cimoliasauridae
Cryptoclididae
Elasmosauridae
Plesiosauridae
Polycotylidae
Plesiosaurs (IPA /ˈplisɪəˌsɔɹ/
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Brachauchenius was a Pliosaur that lived in the Western Inland Sea of North America around 110 million years ago, during the Turonian stage of the Cretaceous. It was the last known occurrence of a pliosaur in North America, and grew to around 40 feet in length.
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Dolichorhynchops
Species
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Species
- D. osborni
- D. herschelensis
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Edgarosaurus
Species: E. muddi
Binomial name
Edgarosaurus muddi
Edgarosaurus
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Species: E. muddi
Binomial name
Edgarosaurus muddi
Edgarosaurus
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Manemergus
Species: M. anguirostris
Binomial name
Manemergus anguirostris
Manemergus
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Species: M. anguirostris
Binomial name
Manemergus anguirostris
Manemergus
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Sulcusuchus
Species: S. erraini
Sulcusuchus is a genus of polycotylid plesiosaur from the Late Cretaceous of Argentina.
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Species: S. erraini
Sulcusuchus is a genus of polycotylid plesiosaur from the Late Cretaceous of Argentina.
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Thililua
Species: T. longicollis
Binomial name
Thililua longicollis
Thililua
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Species: T. longicollis
Binomial name
Thililua longicollis
Thililua
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Trinacromerum
Trinacromerum is an extinct genus of sauropterygian reptile belonging to the plesiosaur suborder. It lived during the Late Cretaceous period in what is now Kansas. It was 3 meters (10 feet) long.
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Trinacromerum is an extinct genus of sauropterygian reptile belonging to the plesiosaur suborder. It lived during the Late Cretaceous period in what is now Kansas. It was 3 meters (10 feet) long.
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Plesiosauroidea
Gray, 1825
Families
Cimoliasauridae
Cryptoclididae
Elasmosauridae
Plesiosauridae
Polycotylidae
Plesiosaurs (IPA /ˈplisɪəˌsɔɹ/
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Gray, 1825
Families
Cimoliasauridae
Cryptoclididae
Elasmosauridae
Plesiosauridae
Polycotylidae
Plesiosaurs (IPA /ˈplisɪəˌsɔɹ/
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The Cretaceous Period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic Period (i.e. from 145.5 ± 4.0 million years ago (Ma)) to the beginning of the Paleocene epoch of the Tertiary Period (about 65.5 ± 0.3 Ma).
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Elasmosauridae was the taxonomic family of the most advanced plesiosaurs. They had the longest necks of the plesiosaurs and survived from the Early Jurassic to the end of the Cretaceous. They had a diet of fish and shelless cephalopods.
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Pliosauroidea
Welles, 1943
Families and genera
see text
The Pliosaurs ("Fin Lizards") were marine reptiles from the Jurassic and Cretaceous Periods.
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Welles, 1943
Families and genera
see text
The Pliosaurs ("Fin Lizards") were marine reptiles from the Jurassic and Cretaceous Periods.
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Plesiosauridae
Gray, 1825
Genus: Plesiosaurus
Conybeare, 1821
Species
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Gray, 1825
Genus: Plesiosaurus
Conybeare, 1821
Species
- P. dolichodirus (type)
- P. guilelmiimperatoris
- ?P. brachypterygius (jr. synon.?)
- ?P.
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Elasmosauridae was the taxonomic family of the most advanced plesiosaurs. They had the longest necks of the plesiosaurs and survived from the Early Jurassic to the end of the Cretaceous. They had a diet of fish and shelless cephalopods.
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Anthem
"God Defend New Zealand"
"God Save the Queen" 1
Capital Wellington
Largest city Auckland
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"God Defend New Zealand"
"God Save the Queen" 1
Capital Wellington
Largest city Auckland
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Anthem
Advance Australia Fair [1]
Capital Canberra
Largest city Sydney
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Advance Australia Fair [1]
Capital Canberra
Largest city Sydney
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Motto
"Allāh, al Waţan, al Malik" (transliteration)
"God, Nation, King"
Anthem
Hymne Chérifien
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"Allāh, al Waţan, al Malik" (transliteration)
"God, Nation, King"
Anthem
Hymne Chérifien
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Motto
"In God We Trust" (since 1956)
"E Pluribus Unum" ("From Many, One"; Latin, traditional)
Anthem
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"In God We Trust" (since 1956)
"E Pluribus Unum" ("From Many, One"; Latin, traditional)
Anthem
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Union of Soviet Socialist Republics (abbreviated USSR, Russian: (help info ) ; tr.
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Herod_Archelaus
