ichthyosaurs

Dolphin-shaped prehistoric reptiles

Ichthyosaurs were marine reptiles that lived during the Mesozoic era, resembling dolphins in body shape despite being unrelated.

They breathed air, gave live birth, and hunted fish and squid.

The name means "fish lizard," though they were neither fish nor lizards.

The museum's ichthyosaur fossil stretched twenty feet long.

anatomy

flippers

Foot-worn swim aids

eye socket · vertebrae · streamlined · countershading · live birth · carnivore · fish-eating · echolocation · blowhole · rib cage

paleontology

fossil

Preserved ancient organism

Jurassic · specimen · skeleton · prehistoric · reptile · marine reptile · paleontologist · excavation · sediment · geological

ecology

ocean

Massive saltwater body

  • predatorOrganism that consumes others
  • squidTen-armed marine mollusk
  • fishGilled aquatic vertebrate

Tethys Sea · pelagic · deep diving · prey · food chain · marine ecosystem · swimming · speed · migration · pack hunting

discovery

Dorset

Southern English county

naming · cliffs · erosion · collector

Categories
Opposites
marine vs terrestrial prehistoric reptiles

ichthyosaursdinosaurs

Extinct prehistoric reptiles

theropods · sauropods · Tyrannosaurus rex · pterosaurs · fish

convergent evolution contrast

ichthyosaursfish

Gilled aquatic vertebrate

bony fish · sharks · dolphins · whales · cetaceans

Family

ichthyosaur

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