Makararaja Roberts, 2007

Last, Peter R., Naylor, Gavin J. P. & Manjaji-Matsumoto, B. Mabel, 2016, A revised classification of the family Dasyatidae (Chondrichthyes: Myliobatiformes) based on new morphological and molecular insights, Zootaxa 4139 (3), pp. 345-368 : 363-364

Genus Makararaja Roberts, 2007

Makararaja Roberts, 2007:286 . Type species Makararaja chindwinensis Roberts 2007 ; by original designation and monotypic.

Definition. Small dasyatids (to at least 39 cm DW) characterised by the following: relatively well-depressed, oval to almost circular disc with pectoral-fin apex broadly rounded; snout obtuse and medium length (~1.7 times combined orbit and spiracle length); eye small and protruding slightly; nasal curtain distinctly bilobed; mouth narrow with 4 oral papillae; tail flexible and short (length ~1.5 times DW), its base moderately broad and depressed; pelvic fins large, protruding slightly beyond disc; dorsal fold absent; ventral fold moderately deep with a short base; caudal sting positioned very posteriorly on tail (distance from pectoral-fin insertion to caudal-sting base ~5.3 times interspiracular width); skin on dorsal surface uniformly velvety, densely covered with minute denticles and lacking a denticle band; no enlarged thorns on disc or tail (but with a short nuchal row of rudimentary thorns); plain coloured dorsally; freshwater, South-East Asia.

Species. M. chindwinensis Roberts, 2007

Remarks. Poorly known (based on the holotype); more specimens and tissues needed.