Praecambridium Temporal range: Late Ediacaran, around
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Artist's restoration of P. sigillum | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | †Proarticulata |
Class: | †Cephalozoa |
Family: | †Yorgiidae (?) |
Genus: | †Praecambridium Glaessner & Wade, 1966 |
Species: | †P. sigillum
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Binomial name | |
†Praecambridium sigillum Glaessner and Wade, 1966
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Praecambridium sigillum is an extinct organism that superficially resembles a segmented trilobite-like arthropod.[1] It was originally described as being a trilobite-like arthropod, though the majority of experts now place it within the Proarticulata as a close relative of the much larger Yorgia.[2][3] It is from the Late Ediacaran deposit of Ediacara Hills, Australia, about 555 million years ago. On average, P. sigillum had at least 5 pairs of segments, with each unit becoming progressively larger as they approach the cephalon-like head.
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