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Horatius, aided by Herminius and Spurius Lartius
Conus spurius was created in 1791.
The spelling Spurius is a proper noun, a Latin given name, with the English plural Spuriuses.
The spelling spurious is an adjective, and has no plural.
Titus Lartius Flavus, about 500 BCE.
In Ius Voco Spurius