Acratosaura, RODRIGUES & MACHADO PELLEGRINO & DIXO & VERDADE & PAVAN & SUZART ARGOLO & SITES, 2007

RODRIGUES, MIGUEL TREFAUT, MACHADO PELLEGRINO, KATIA CRISTINA, DIXO, MARIANNA, VERDADE, VANESSA KRUTH, PAVAN, DANTE, SUZART ARGOLO, ANTÔNIO JORGE & SITES, JACK W., 2007, A New Genus of Microteiid Lizard from the Atlantic Forests of State of Bahia, Brazil, with a New Generic Name for Colobosaura mentalis, and a Discussion of Relationships Among the Heterodactylini (Squamata, Gymnophthalmidae), American Museum Novitates 3565 (1), pp. 1-28 : 15-18

Acratosaura , new genus

DEFINITION: A microteiid characterized by a distinctive ear opening and eyelid, large tail, and slender pentadactyl limbs. Frontonasal single; prefrontals, frontoparietals, parietals, and interparietals present. Parietals longer than wide. Collar fold absent. Three pairs of genials and three supraoculars. Dorsal scales anteriorly smooth, large in the occipital region, becoming gradually elongated, lanceolate, and strongly keeled posteriorly. Occipitals present. Ventral scales quadrangular, in longitudinal but not in regularly transverse rows; laterally imbricate, irregular in size and shape, scales of external rows slightly wider. Males with continuous series of very conspicuous pores without gap between preanal and femoral; pores absent in females. Frontal bone anteriorly divided.

CONTENT: Acratosaura mentalis , new generic name for Colobosaura mentalis Amaral, 1933 .

ETYMOLOGY: From the Greek akratos, meaning ‘‘unmixed, pure’’; here intended to reflect its unmixed condition after being dismembered from the polyphyletic Colobosaura .