Phyllodactylus isabelae Castro-Franco & Uribe-Peña, 1992

Holotype. An adult female, ZUP 1152 collected by Zeferino Uribe Peña on Marietas Islands, Nayarit, Mexico, February 23, 1978.

Diagnosis. This species clearly differs from the others because it is the smallest of the analyzed in the present study (Fig. 6). It presents 56.2 longitudinal scales on average, it differs clearly from the others: P. lupitae (61.8), P. lanei (66), P. rupinus (63.6), P. benedettii (62.6), P. kropotkini (67.6), P. t. magnus (54.6), P. muralis (59) and P. tuberculosus (57.7). Also P. isabelae presents 27.8 scales across the venter similar to P. t. magnus (27.3) and differs from the others: P. lupitae (24.6), P. lanei (30), P. rupinus (26.5), P. benedettii (29.1), P. kropotkini (30.6), P. muralis (33) and P. tuberculosus (30.2). Phyllodactylus isabelae differs clearly from the others analyzed since it has the highest number of rows of tubercles across dorsum (16.7 on average) compared to the others: P. lupitae (14.8), P. lanei (15.6), P. rupinus (14), P. benedettii (13.8), P. kropotkini (13.4), P. t. magnus (14.3), P. muralis (12.2) and P. tuberculosus (14).

Distribution. Phyllodactylus isabelae is endemic of the Marietas islands, Nayarit, Mexico.