Dickinsonia rex

Dickinsonia rex is a species in the genus Dickinsonia. Like other proarticulata, it has a bilaterally symmetric body made up of isomers.

This species is very large compared to other members of the Dickinsonia genus, with some Dickinsonia rex specimens exceeding a metre in length. Morphologically, it is very similar to to Dickinsonia costata, and is distinguished mostly due to its comparatively large size.

Preserved Dickinsonia rex are found in the White Sea and Ediacaran assemblage.

Mode of Life
Dickinsonia rex lives on the seafloor, unmoving but also unattached. It feeds by absorbing nutrients from the seawater.

Time Period
Dickinsonia rex lived between 558 and 555 million years ago, in the Ediacaran 3 Age of the Ediacaran Period.