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Tribrachidium
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Tribrachidium is a tri-radially symmetric fossil animal that lived in the late Ediacaran seas. In life, it was hemispherical in form. T. heraldicum is the best known member of the extinct group Trilob
Tribrachidium
Tribrachidium
Reconstruction of Tribrachidium and other organisms: Tribrachidium heraldicum (top); Wigwamiella enigmatica, a taphomorph of aspidella (left); and Rug
Reconstruction of Tribrachidium and other organisms: Tribrachidium heraldicum (top); Wigwamiella enigmatica, a taphomorph of aspidella (left); and Rugoconites enigmatica (right).
Pomoria corolliformis was once thought to be a Cnidarian polyp, although it has been disproven as instead being a poorly preserved Tribrachidium.
Pomoria corolliformis was once thought to be a Cnidarian polyp, although it has been disproven as instead being a poorly preserved Tribrachidium.
Triskelion
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A triskelion, or triskeles, is an ancient motif consisting either of a triple spiral exhibiting rotational symmetry or of other patterns in triplicate that emanate from a common center. The spiral des
Tribrachidium
…arm") + diminutive suffix -idium. The specific name T. heraldicum references the similarity of the pattern of this fossil with the well-known heraldic triskelion design, such as the coat of arms of the Isle of Man. Tribrachidium fossils were first discovered in the Ediacara Member of the Rawnslay Quartzite…
5,000 year-old triskelion on an orthostat at Newgrange
5,000 year-old triskelion on an orthostat at Newgrange
Silver Drachma from Sicily, minted during the reign of Agathocles (361–289 BCE), Greek tyrant of Syracuse (317–289 BCE) and king of Sicily (304–289 BC
Silver Drachma from Sicily, minted during the reign of Agathocles (361–289 BCE), Greek tyrant of Syracuse (317–289 BCE) and king of Sicily (304–289 BCE). Inscription: ΣΥΡΑΚΟΣΙΩΝ (Syrakosion) Laureate head of the youthful Ares to left; behind, Palladion. Reverse: Triskeles of three human legs with winged feet; at the center, Gorgoneion
Triskelion of Sicily on vase of the late 7th century BCE
Triskelion of Sicily on vase of the late 7th century BCE
Late Helladic (14th century BCE) beaked jug decorated with triple spirals
Late Helladic (14th century BCE) beaked jug decorated with triple spirals