Late Triassic

Shonisaurus

Shonisaurus was an absolutely gargantuan ichthyosaur which swam off North America’s Pacific coast during the middle of the Triassic Period 227 million years ago. Shonisaurus was one of the largest ichthyosaurs to have existed, measuring 45 feet long. Only a… Read More ›

Chinlea

Chinlea was a freshwater coelacanth fish measuring 2.5 feet long which lived in North America during the late Triassic Period approximately 210-201 million years ago. Fossils which might belong to Chinlea have also been found in rocks dating to the… Read More ›

Diplurus

Diplurus was a 3 foot long freshwater coelacanth fish which lived in the northeastern United States during the late Triassic and early Jurassic Periods, approximately 220-190 million years ago. It is divided into three species: D. longicaudatus, D. newarki, and… Read More ›