Yorgia waggoneri is a discoid Ediacaran organism. It has a low, segmented body consisting of a short wide "head", no appendages, and a long body region, reaching a maximum length of 25 cm. It is class
Yorgia
Epibaion waggoneris, chain of trace platforms and the imprint of the body of Yorgia waggoneri (right), which created these traces.
The Ediacaran is a geological period of the Neoproterozoic Era that spans 96 million years from the end of the Cryogenian Period 635 million years ago to the beginning of the Cambrian Period 538.8 mil
Yorgia
…same as with Cephalonega, Lossinia, Archaeaspinus and some Dickinsonia. Imprints of the species Yorgia waggoneri have been found in the rocks of Vendian period (Ediacaran) White Sea region of Russia, dated around 555.5 Ma, and Yorgia sp. has been found in the Central Urals of Russia and Flinders Ranges…
The 'golden spike' (bronze disk in the lower section of the image) or 'type section' of the Global Boundary Stratotype Section and Point (GSSP) for the base of the Ediacaran System
The 'golden spike' marking the GSSP
Outcrops of micaschists and marble of the Groupe de Canaveilles [fr] (Ediacaran, c. 580 Ma) in the eastern Pyrenees (commune of Fontpédrouse, France)
Groupe de Canaveilles exposure (Piton de Castell Vidre) in the eastern Pyrenees (commune of Llo, France). 1 - Very silicious schist. 2 - Marble. 3 - Limestone and dolomite. 4 (& inset) - "Barégiennes" (thin, deformed, alternating calcareous/siliceous beds).