Question

Length of a sea scorpion was:

Answer 1

The largest, Jaekelopterus, reached 2.5 meters (8.2 ft) in length.

Answer 2

Explanation:

It is the largest terrestrial trackway—measuring 6 meters (20 ft) long and averaging 95 centimeters (3.12 ft) in width—made by an arthropod found thus far. It is the first record of land locomotion by a eurypterid.