Wallace, J.H. (1967)
The batoid fishes of the east coast of Southern Africa. Part II: Manta, Eagle, Duckbill, Cownose, Butterfly and Sting Rays. Investigational Report Oceanographic Research Institute, 16, 1–56

Clarke, T.A. (1972)
Collections and submarine observations of deep benthic fishes and decapod Crustacea in Hawaii. Pacific Science, 26(3), 310–317

Nair, R.V. & Soundararajan, R. (1973)
On the occurrence of the deep sea sting ray, Urotrygon daviesi Wallace in Indian waters. Indian Journal of Fisheries, 20(1), 245–249

Nakaya, K. (1985)
Sharks, Skates, Rays and Chimaeras Taken from Continental Slopes around Japan [in Japanese], Report of Japanese Society for Elasmobranch Studies, 19, 1–8

Compagno, L.J.V. (1986)
Families Pristidae, Torpedinidae, Narkidae, Rhinobatidae, Myliobatidae, Mobulidae, Dasyatidae, Callorhinchidae, Chimaeridae, Rhinochimaeridae In Smith's Sea Fishes, by M.M. Smith & P.C. Heemstra, eds. Macmillian, Johannesburg: 110–114, 128–142, 144–148

Smith, M.M. & Heemstra, P.C. (1986)
Smiths' Sea fishes Braamfontein, Johannesburg :Macmillan South Africa,1986.

Hongxi, Z. & Siming, D. & Guogiang, X. (1987)
Report on the elasmobranchiate fishes occurring in the region of the Continental shelf and Continental slope in the East Chine Sea [in Japanese], Report of Japanese Society for Elasmobranch Studies, 24, 16–19

Compagno, L.J.V. & Ebert, D.A. & Smale, M.J. (1989)
Guide to the sharks and rays of Southern Africa. New Holland Ltd., London 1989

Fischer, W. & Sousa, I. & Silva, C. & de Freitas, A. & Poutiers, J.-M. & Schneider, W. & Borges, T.C. & Feral, J.P. & Massinga, A. (1990)
Fichas FAO de identificación de especies para actividades de pesca. Guia de campo das especies comercais marinhas e de aguas salobras de Mocambique. FAO, Rome, pp. xxii, 424, 42 pls

Nishida, K. (1990)
Phylogeny of the suborder Myliobatidoidei. Memoirs of the Faculty of Fishery of the Hokkaido University, 37(1–2), 1–108

Miyake, T. & McEachran, J.D. (1991)
The morphology and evolution of the ventral gill arch skeleton in batoid fishes (Chondrichthyes: Batoidea). Zoological Journal of the Linnean Society, 102(1), 75–100
DOI: 10.1111/j.1096-3642.1991.tb01537.x

Miyake, T. & McEachran, J.D. & Hall, B.K. (1992)
Edgeworth's legacy of cranial muscle development with an analysis of muscles in the ventral gill arch region of batoid fishes (Chondrichthyes: Batoidea). Journal of Morphology, 212(3), 213–256
DOI: 10.1002/jmor.1052120304

Miyake, T. & McEachran, J.D. & Walton, P.J. & Hall, B.K. (1992)
Development and morphology of rostral cartilages in batoid fishes (Chondrichthyes: Batoidea), with comments on homology within vertebrates. Biological Journal of the Linnean Society, 46, 259–298
DOI: 10.1111/j.1095-8312.1992.tb00864.x

Nakaya, K. & Shirai, S. (1992)
Fauna and Zoogeography of Deep-Benthic chondrichthyan Fishes around the Japanese Archipelago. Japanese Journal of Ichthyology, 39(1), 37–48
DOI: 10.1007/BF02905632

Yano, K. & Kugai, K. (1993)
Deep-sea chondrichthyans collected from the waters around the Okinawa Islands: results of catch analysis of bottom longlines. Bulletin of the Seikai National Fisheries Research Institute, 71, 51–65

Yano, K. (1999)
Chondrichthyans of the Ryukyu Islands, Japan. In Seret, B. and Sire, J.Y. (Eds) Indo-Pacific fish biology: Proceedings of the 5th Indo-Pacific Fisheries Conference, Noumea, 1997. Ichthyological Society of France, Paris: 351–365