Genus Taeniura M��ller & Henle, 1837 Taeniura M��ller & Henle, 1837:117. Type species Trygon ornatus Gray, 1830 (= Raja lymma Forssk��l, 1775); by monotypy. Definition. Small dasyatids (adults to 22���37 cm DW) characterised by the following: moderately robust, oval disc with pectoral-fin apex broadly rounded; snout obtuse and short (1.6���2.2 times combined orbit and spiracle length); eye large and protruding greatly; nasal curtain medium-sized, bilobed; mouth not small, with 2 large median oral papillae; tail firm and typically moderately short (length 1.5���1.7 times DW), its base broad and depressed; pelvic fins long and pointed, protruding slightly; dorsal fold rudimentary or forming a ridge; ventral fold deep with a long base; caudal sting positioned well posterior on tail (distance from pectoral-fin insertion to caudal-sting base 4.5���5 times interspiracular width); skin smooth and denticle band absent; 1���2 rows of very small median thorns in most adults, no other thorns on disc; tail smooth; strong dorsal colour pattern of vivid blue spots on disc (no dark masklike marking around eyes or black and white bands on tail); ventral surface white, disc margin yellowish; marine, Indo��� West Pacific. Species. T. lymma (Forssk��l, 1775) and an undescribed species. Remarks. Distinctive and locally abundant rays on coral reefs of the tropical Indo��� West Pacific. An undescribed species occurs in Melanesia.

Published as part of 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, pp. 345-368 in Zootaxa 4139 (3) on page 359, DOI: 10.11646/zootaxa.4139.3.2, http://zenodo.org/record/262765