Ursulinacaris is a genus of hurdiid radiodont from the Cambrian of North America.

The endites of Ursulinacaris were very slender, unlike other hurdiids such as Peytoia or Hurdia.

[1] It was initially reported as the first hurdiid with paired endites (a feature only present in other non-hurdiid radiodonts), but Moysiuk & Caron (2021) suggested that it is actually the preservation of the fossils and therefore there are no paired endites.

[2][3] Ursulinacaris fossils have been found in the Northwest Territories and Nevada.

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