n = 10
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Glaucostegus cemiculus | (Geoffroy Saint-Hilaire, 1817) | Glaucostegus cemiculus | Glaucostegidae | Blackchin guitarfish |
| Glaucostegus granulatus | (Cuvier, 1829) | Glaucostegus granulatus | Glaucostegidae | Granulated guitarfish |
| Glaucostegus halavi | (Fabricius, 1775) | Glaucostegus halavi | Glaucostegidae | Halavi ray |
| Glaucostegus microphthalmus | (Teng, 1959) | Glaucostegus microphthalmus | Glaucostegidae | Smalleyed guitarfish |
| Glaucostegus obtusus | (Müller & Henle, 1841) | Glaucostegus obtusus | Glaucostegidae | Widenose guitarfish |
| Glaucostegus petiti | (Chabanaud, 1929) | Glaucostegus petiti | Glaucostegidae | Madagascar guitarfish |
| Glaucostegus spinosus | (Günther, 1870) | Glaucostegus spinosus | Glaucostegidae | Spiny guitarfish |
| Glaucostegus thouin | (Anonymous [Lacepède], 1798) | Glaucostegus thouin | Glaucostegidae | Thouin ray |
| Glaucostegus typus | (Anonymous [Bennett], 1830) | Glaucostegus typus | Glaucostegidae | Giant shovelnose ray |
| Glaucostegus younholeei | Habib & Islam, 2001 | Glaucostegus younholeei | Glaucostegidae |