Proetids – the last trilobites

(pro-et-id)

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Model of a proetid trilobite.
Image: Jon Augier
Source: Museum Victoria

Fossil of a proetid trilobite.
Image: Jon Augier
Source: Museum Victoria

Permian

HOW BIG IT WAS

Proetids relative size depiction as described below
This trilobite was approximately 2 cm long.

By the Carboniferous only one major group of trilobites called proetids still survived, and they were generally very small. From the mid-Carboniferous until the end of the Permian, trilobites continued to decline, becoming very rare towards the end of the Permian. They went extinct entirely, along with many other marine animals, at the end of the Permian 250 million years ago.

A trail through time

Trilobites appeared in the Cambrian and went extinct in the Permian. See how they changed through time.

RedlichiaNeoasaphusDicranurusDipleura

WHERE IT WAS FOUND

Proetids map

This fossil of a proetid trilobite was discovered in New South Wales.

RELATED OBJECTS

Other objects from the Permian

PalaeodictyopteridEotitanosuchusParalegocerasJimbacrinusHelicoprionGlacial pebbles