Platyrhinidae
Introduction The '''Platyrhinidae''' are a family of rays, commonly known as '''thornbacks''' due to their dorsal rows of large thorns. They resemble guitarfishes in shape. Though traditionally classified with stingrays, molecular evidence suggests they are more closely related to electric rays in the order Torpediniformes.
Genera and species * Genus ''Platyrhina'' J. P. Müller & Henle, 1838** ''Platyrhina hyugaensis'' Iwatsuki, Miyamoto & Nakaya, 2011 (Hyuga fanray)** ''Platyrhina sinensis'' Bloch & J. G. Schneider, 1801 (fanray)** ''Platyrhina tangi'' Iwatsuki, J. Zhang & Nakaya, 2011 (yellow-spotted fanray)* Genus ''Platyrhinoidis'' Garman 1881** ''Platyrhinoidis triseriata'' D. S. Jordan & Gilbert, 1880 (thornback guitarfish)
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