Dickinsonia tenuis

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

This species strongly resembles Dickinsonia costata, but has smaller and more numerous isomers, and a slightly lengthened ovoid body.

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

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

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