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Mesosaurus

Mesosaurus (meaning "middle lizard") is an extinct genus of aquatic reptile from the late Early Permian (Kungurian, ~275 million years ago) of southern Africa and South America. It is the only member of the family Mesosauridae and order Mesosauria. Two other genera of mesosaurs, Brazilosaurus and Stereosternum, were formerly recognised, but are now…

Regions, Palaeobiology & Relationships to other reptiles

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Palaeobiology

SkullJawsFilter feedingPlanktonicNektonic
30 related topics

Relationships to other reptiles

ReptiliaCladeCrown groupMost recent common ancestorAnapsids
27 related topics

Discovery and naming

HolotypeGriquaSouth AfricaKimberley, Northern CapeFrench
17 related topics

Description

HatchlingsPachyosteosclerosisWebbedCleithrumBony fish
14 related topics

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Discovery and naming

Description

Palaeobiology

Distribution and habitat

Relationships to other reptiles

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Mesosaurus

Nodes117
Edges116
Triples122
Avg. degree1.98
Density0.017094
Components1

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Mesosaurus

Top relations

related to Further reading · 39
Mesosaurus → Aaron Haselton, American Paleontology, Bulletins, Cambridge University Press, Clifford Matthews, Company, Contributor Clifford Matthews, CS1, Dinosaurus, Drifting Continents, Effects, Environmental Evolution, Evolution, Firefly Books Inc, Freeman, Geology, Gondwanan Permian, Homer Eugene, ISBN, Jack
related to Discovery and naming · 34
Mesosaurus → Assistencia Member, Brazil, Brazilosaurus, BSPG, Ditchrosaurus, Edward Drinker Cope, French, Georg Gürich, Griqua, Griqua Mesosaurus, Hanayama Farm, In, Irati Formation, It, Janeiro, Kimberley, Later, MacGregor, MNHN, Museu Nacional
related to Distribution and habitat · 13
Mesosaurus → Africa, At, Brazil, Early Permian, Gondwanan Pangaea, Irati, Irati Formation, Kungurian, Mangrullo Formation, South America, Uruguay, Whitehill, Whitehill Formation
related to Locomotion · 11
Mesosaurus → Alternatively, Biomechanical, However, It, Its, Late Devonian, Other, Paleozoic, The, This, While
related to Reproduction · 11
Mesosaurus → Brazil, Clearly, FC-DPV, Late Carboniferous, One, Paleozoic, Prior, These, This, Triassic, Uruguay
related to Diet · 5
Mesosaurus → However, Newly, Pygocephalomorpha, The, These
related to Description · 2
Mesosaurus → Mesosaurs, The

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Important terminology

mesosaurs reptiles reptilia phylogenetic parareptilia temporal amniotes group fenestrae sauropsida may laurin aquatic tenuidens skull would two species found lower

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
pygocephalomorph crustaceansinstance oflikely feeding on small prey0.80text
crustaceansinstance ofnektonic prey0.80text
specifically those belonging to the extinct order Pygocephalomorphainstance ofnektonic prey0.80text
which were abundant in the environment in which Mesosaurus livedinstance ofnektonic prey0.80text
Candelariainstance ofmany anapsids0.80text
Bolosaurusinstance ofmany anapsids0.80text
and lanthanosuchoids possess lower temporal fenestrae.The phylogenetic position of mesosaurs influences the current understanding of how amniotes evolved temporal fenestraeinstance ofmany anapsids0.80text
Mesosaurusrelated to DescriptionMesosaurs0.60section
Mesosaurusrelated to DescriptionThe0.60section
Mesosaurusrelated to DietThe0.60section
Mesosaurusrelated to DietHowever0.60section
Mesosaurusrelated to DietNewly0.60section

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