| 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 | |
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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).