12577 Glaucostegus typus (Anonymous [Bennett], 1830) Glaucostegidae Giant guitarfishes Rhinopristiformes Elasmobranchii Giant shovelnose ray Indo-West Pacific: Thailand to New Guinea and the Solomon Islands, south to Australia. Records from the south coast of India, Sri Lanka, Bangladesh, and Myanmar need confirmation. 26 S 113 E Rhinobatos typus AMNH 44029 1969 Rhinobatos armatus AMNH 98724 1992 Rhinobatos batillum