paratype
/ˈpærətaɪp/Definitions
1. noun
A specimen or part of a specimen used as a reference or standard in the description of a species, especially in taxonomy.
“The museum used the paratype to verify the identification of the rare species.”
2. noun
A duplicate or copy of a specimen, especially in paleontology.
“The paratype of the dinosaur fossil was found in a nearby excavation site.”