Barbuda Iguana (Cyclura sp.)
This form, which might have been a distinct species, is currently known only from a single bone, a braincase, found on the island of Barbuda.
The species apparently disappeared as early as shortly after the occupation of the island by Amerindian settlers.
*********************
References:
[1] Gregory K. Pregill; David W. Steadman; David R. Watters: Late Quaternary vertebrate faunas of the Lesser Antilles: historical components of Caribbean biogeography. Bulletin of Carnegie Museum of Natural History 30: 1-51. 1994
*********************
edited: 16.05.2021