Prehistoric Models: Ichthyosaurs

Ichthyosaurs meaning “fish lizard“, are group of marine reptiles that first appeared in the fossil record during the Triassic Period and were extinct by the begining of the late Cretaceous period. Ichthyosaurs belong to the order known as Ichthyosauria or Ichthyopterygia meaning “fish flippers” named in1842 by Sir Richard Owen.

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsida – Clade: Sauropsida – Clade: Ichthyosauria

(Ichthyosaurs)

Early Triassic to Late Cretaceous

 

Genus: Ichthyosaurus”fish lizard

Genus pronounced: Ick-thee-oh-sore-us

Species: I.‭ ‬communis‭ (‬type‭)‬,‭ I. anningae, ‬I.‭ ‬breviceps,‭ ‬I.‭ ‬conybeari,‭ ‬I.‭ ‬intermedius, I. larkini, I. somersetensis

Named by: William Daniel Conybeare‭ & ‬Henry De la Beche‭ ‬-‭ ‬1821

Classification: Family: Ichthyosauridae

Time: Jurassic (Hettangian to Sinemurian)

Locality: Europe: ‬Belgium,‭ ‬England,‭ ‬Germany and Switzerland

Size: 2 to 3.3 meters long

Diet: Piscivore

 

Genus: Ichthyosaurus”fish lizard

Genus pronounced: Ick-thee-oh-sore-us

Species: I.‭ ‬communis‭ (‬type‭)‬,‭ I. anningae, ‬I.‭ ‬breviceps,‭ ‬I.‭ ‬conybeari,‭ ‬I.‭ ‬intermedius, I. larkini, I. somersetensis

Named by: William Daniel Conybeare‭ & ‬Henry De la Beche‭ ‬-‭ ‬1821

Classification: Family: Ichthyosauridae

Time: Jurassic (Hettangian to Sinemurian)

Locality: Europe: ‬Belgium,‭ ‬England,‭ ‬Germany and Switzerland

Size: 2 to 3.3 meters long

Diet: Piscivore

 

Genus: Ichthyosaurus”fish lizard

Genus pronounced: Ick-thee-oh-sore-us

Species: I.‭ ‬communis‭ (‬type‭)‬,‭ I. anningae, ‬I.‭ ‬breviceps,‭ ‬I.‭ ‬conybeari,‭ ‬I.‭ ‬intermedius, I. larkini, I. somersetensis

Named by: William Daniel Conybeare‭ & ‬Henry De la Beche‭ ‬-‭ ‬1821

Classification: Family: Ichthyosauridae

Time: Jurassic (Hettangian to Sinemurian)

Locality: Europe: ‬Belgium,‭ ‬England,‭ ‬Germany and Switzerland

Size: 2 to 3.3 meters long

Diet: Piscivore

 

Genus: Temnodontosaurus “cutting-toothed lizard

Genus pronounced: Tem-noe-don-toe-sore-us

Species: T.‭ ‬platyodon‭ (‬type‭)‬,‭ ‬T.‭ ‬eurycephalus,‭ ‬T.‭ ‬nuertingensis,‭ ‬T.‭ ‬trigonodon,‭ ‬T.‭ ‬acutirostris.

Named by: Richard Lydekker – 1889

Classification: Family: Temnodontosauridae

Time: Jurassic (Hettangian to Toarcian)

Locality: England: British Isles and Germany

Size: 12 meters long

Diet: Cephalopods (ammonites)

 

Genus: Ichthyosaurus”fish lizard

Genus pronounced: Ick-thee-oh-sore-us

Species: I.‭ ‬communis‭ (‬type‭)‬,‭ I. anningae, ‬I.‭ ‬breviceps,‭ ‬I.‭ ‬conybeari,‭ ‬I.‭ ‬intermedius, I. larkini, I. somersetensis

Named by: William Daniel Conybeare‭ & ‬Henry De la Beche‭ ‬-‭ ‬1821

Classification: Family: Ophthalmosauridae – Subfamily: Ophthalmosaurinae

Time: Jurassic (Bathonian to Tithonian)

Locality: England – Oxford Clay Formation. France. Greenland, Mexico – La Caja Formation. USA, Wyoming – Sundance Formation

Size: 6 meters long

Diet: Piscivore,‭ ‬possibly a specialist in deep water squid

 

The video below is from my YouTube Jurassic James 65:

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