Tariccoia arrusensis Temporal range:
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Tariccoia arrusensis, 21 mm, from Sardegna, Italy | |
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Genus: | †Tariccoia Hammann, 1990
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Type species | |
†Tariccoia arrusensis Hammann, 1990
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Other species | |
T. tazagurtensis |
Tariccoia is a genus of nektaspid arthropods belonging to the family Liwiidae, known from fossils found in Ordovician strata in Sardinia and Morocco. It is between 2.5 centimetres (0.98 in) and 6 centimetres (2.4 in) long. It has a headshield (or cephalon) wider than the tailshield (pygidium), and in between them three (or four?) thoracic body segments (somites).