- Orces 1952
- Observaciones sobre los elasmobranquios del Ecuador. Rev.Biol.Mar., 5(2):85-110
- , Cuthbert 1983
- Observation on the identification and biology of Hemigaleus (Selachii: Carcharhinidae) from Australian waters. Copeia,
- Klimley 1980
- Observations of courtship and copulation in the nurse shark, Ginglymostoma cirratum. Copeia, 80(4):878-82
- Feder 1974
- Observations on fishes associated with kelp beds in Southern California. Fish Bull.Calif.Dep.Fish Game, (160):144 p.
- Stillwell, 1976
- Observations on the bigeye thresher shark, Alopias superciliosus, in the Western North Atlantic. Fish.Bull.NOAA/NMFS, 74(1):221-5
- , Geen 1977
- Observations on the brown cat shark, Apristurus brunneus, in British Columbia coastal waters. Syesis, 10:169-70
- , Appukuttan 1974
- Observations on the developmental stages of the smooth dogfish, Eridacnis radcliffei Smith from Gulf of Mannar. Indian J.Fish., 21(1):141-51
- Gilmore 1983
- Observations on the embryos of the longfin mako, Isurus paucus, and the bigeye thresher, Alopias superciliosus. Copeia,
- , Appukuttan 1973
- Observations on the food of deep sea sharks Halaeurus hispidus (Alcock), Eridacnis radcliffei Smith and Iago omanensis Compagno and Springer. Indian J.Fish., 20(2):575-83
- , Soares Moreira 1981
- Occurrence of Squalus cubensis Rivero, 1936. in the Western South Atlantic Ocean, and Incidence of its Parasitic Isopod Lironecta splendida sp. nov. Stud.Neotrop.Fauna Environ., 16 (
- Bearden 1965
- Occurrence of spiny dogfish, Squalus acanthias, and other elasmobranchs in South Carolina coastal waters. Copeia,
- , 1945
- Occurrence of the bramble shark in California. Calif.Fish Game, 31(2):64-7
- , Yanagisawa 1983
- Occurrence of the prickly shark, Echinorhinus cookei, at Kumanonada, Japan. Jap.J.Ichthyol., 29(4):465-8
- Baranes, 1978a
- Occurrence of the sandbar shark Carcharhinus plumbeus in the northern Red Sea. Isr.J.Zool., 27:45-51
- , 1895
- Oceanic ichthyology. Spec.Bull.U.S.Natl. Mus., (2):529 p.
- , 1904
- On a collection of fishes made by Mr Alan Duston in the deep waters of Japan. Smithson.Misc. Collect., 45:230-40
- Talwar 1974
- On a new bathypelagic shark, Scyliorhinus (Halaelurus) silasi (Fam: Scyliorhinidae) from the Arabian Sea. J.Mar.Biol.Assoc.India, 14(1):779-83
- , Lal Mohan 1973
- On a new deep sea skate, Rhinobatos variegatus, with notes on the deep sea sharks Halaelurus hispidus, Eridacnis radcliffei and Eugaleus omanensis from the Gulf of Mannar. Senckenb.Biol.,
- Schlernitzauer, 1928
- On a rare Japanese shark, Calliscyllium venustus Tanaka. C.R.Acad.Sci.URSS, (
- , 1965
- On Forsskä1's collection of fishes in the Zoological Museum of Copenhagen. Spolia Zool.Mus.Hauniensis, 22
- Baranes, 1978b
- On sharks, skates and rays in the Gulf of Elat. Israel land and nature. Q.J.Soc.Protect.Nat.Isr.,4(1):9 p.
- , Adriani 1953
- On the absence of gillrakers in specimens of the basking shark, Cetorhinus maximus (Gunner). Zool.Meded., 31:307-10
- Gubanov 1972
- On the biology of the thresher shark (Alopias vulpinus (Bonnaterre)) in the northwest Indian Ocean. J.Ichthyol., 12(4):591-6
- , 1838
- On the generic characters of cartilaginous fishes, with descriptions of new genera. Ann.Mag. Nat.Hist., 2:33-7, 88-91
- Piotrovskij, Prut'ko 1980
- On the occurrance of the goblin shark (Scapanorhynchus owstoni Jordan, 1898) (Chondrichthyes, Scapanorhynchidae) in the Indian Ocean. J.Ichthyol., 19(5):145-6
- Sivasubramaniam 1963
- On the sharks and other undesirable species caught by tuna longline. Rec.Oceanogr.Works Japan, 7(1):73-81
- , 1956
- On the two forms of the spiny dogfish, Squalus acanthias. Zool.Zh., 35(11):1685-8
- Deng Si-Ming 1981
- On three new species of sharks of the genus Carcharhinus from China. Acta Taxonom.Sin., 6(2):216-20
- Schlernitzauer, 1930
- On two rare Japanese sharks, Proscyllium habereri Hilgendorf and Apristurus macrorhynchus. C.R.Acad.Sci.URSS, (
- Fujita 1981
- Oviphagous embryos of the pseudocarchariid shark, Pseudocarcharias kamoharai, from the centralPacific. Jap.J.Ichthyol., 28:37-44