the lower Triassic

This family emerged during the Lower Triassic and continued until the end of that age.

This dated at 240 million years and belongs to the Lower Triassic.

A few survived until the lower Triassic to form the therapsids, a group which led to the mammals.

Svalbardosaurus is a genus of ichthyosaurs from the Lower Triassic.

The Lower Triassic was called the Scythian stage, which can be found in older literature.

The earliest records of brachyopids are from the Lower Triassic in Australia.

It existed in Madagascar during the Lower Triassic period.

Rocks from this epoch are collectively known as the Lower Triassic, which is a unit in chronostratigraphy.

Geologically the origins of the Bernstein go back to the Lower Triassic, 240 million years ago.

The Lower Triassic is the oldest epoch of the Mesozoic era.

In Europe, most of the Lower Triassic is composed of sandstone.

The Russian subdivision of the Lower Triassic then slowly replaced the one used in the West.

Ichthyosaurs had arrived in the Lower Triassic.

Xenoceltites is an extinct ceratite ammonite found world wide in the Lower Triassic.

It is based on fossils from the Lower Triassic lake deposits exposed in Beishan area.

Piveteauia is an extinct genus of prehistoric coelacanth fish which lived during the Lower Triassic period.

Clypeoceras is an ammonite with an involute discoidal shell from the Lower Triassic.

Therocephalians included both carnivorous and herbivorous forms; both died out after the Lower Triassic.

The labyrithodonts were some of the dominant animals from the Devonian to the Lower Triassic (about 390 to 210 million years ago).

A primitive ichthyosaur from the Lower Triassic of British Columbia, Canada.

The rhynchosaur Howesia from the Lower Triassic of South Africa.

Sturia is a ceratitid ammonoid from the Lower Triassic with an ammonitic suture.

Flemingites is an evolute ammonoid from the Lower Triassic with spiral ridges on the shell.

A recent study of the earliest ichthosaur, Chaohusaurus, from the Lower Triassic shows an early example of live birth.

The Lower Triassic is the first of three epochs of the Triassic period.