What was the designation assigned to the iguana by Albert Schwartz and Richard Thomas in 1975?

Answer

Subspecies status under the Cuban iguana (*Cyclura nubila lewisi*)

In 1975, Schwartz and Thomas reclassified the reptile as a subspecies of the Cuban iguana, suggesting a close recent ancestry.

What was the designation assigned to the iguana by Albert Schwartz and Richard Thomas in 1975?
taxonomyclassificationreptileiguana