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Platyrhinidae

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) '' The following fossil species are known:'''' • Genus †Britobatos Claeson, Underwood & Ward, 2013 • †B. primarmatus (Woodward, 1889) (=Raja primarmata Woodward, 1889) • Genus †Eoplatyrhina Marramà, Carnevale, Claeson, Naylor & Kriwet, 2020 • †E. bolcensis (Heckel, 1851) (=Platyrhina bolcensis Heckel, 1851) • Genus †Tingitanius Claeson, Underwood & Ward, 2013 • †T. tenuimandibulus Claeson, Underwood & Ward, 2013 • Genus †Tethybatis de Carvalho, 2004 • †T. selachoides de Carvalho, 2004 ==References==
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