or select from list (show only references with data):
| orozcovelasquez2016 | OROZCO-VELÁSQUEZ, D.M. & GÓMEZ-DELGADO, F. (2016) New record of Squalus cubensis Howell Rivero, 1936 (Chondrichthyes, Squalidae) in Colombia. Universitas Scientiarum, 21 (2): 159 |
| orr2004 | ORR, J.W. & STEVENSON, D.E. & HOFF, G.R. & MCEACHRAN, J.D. (2004) Bathyraja parmifera (Rajidae: Arhynchobatinae) and related species, including preliminary data on a new species from the Aleutian Islands. Abstract. American Elasmobranch Society 20th Annual Meeting, Norman, Oklahoma |
| orr2011 | ORR, J.W. & STEVENSON, D.E. & HOFF, G.R. & SPIES, I. & MCEACHRAN, J.D. (2011) Bathyraja panthera, a new species of skate (Rajidae: Arhynchobatinae) from the western Aleutian Islands, and resurrection of the subgenus Arctoraja Ishiyama. NOAA Professional paper NMFS 11 |
| orsirelini1975 | ORSI RELINI, L. & WURTZ, M. (1975) Osservazioni sulla alimentazione di Galeus melastomus dei fondi batiali liguri. Quaderni Laboratorio Tecnologia Pesca, 2: 17 |
| orsirelini1998 | ORSI RELINI, L. (1998) Carcharhinus brachyurus (Gunther, 1870) in the museum of the Institute of Zoology, University of Genoa. Boll. Mus. Ist. biol. Univ. Genova, 62 |
| orsirelini2000 | ORSI RELINI, L. (2000) Pesche professionali d'altura, catture di verdesca, Prionace glauca L., e problemi di conservazione. Biologia Marina Mediterranea, 7 (1): 313 |
| ortega2009 | ORTEGA, L.A. & HEUPEL, M.R. & VAN BEYNEN, P. & MOTTA, P.J. (2009) Movement patterns and water quality preferences of juvenile bull sharks (Carcharhinus leucas) in a Florida estuary. Environmental Biology of Fishes, 84 (4): 361 |
| orth1975 | ORTH, R.J. (1975) Destruction of eelgrass, Zostera marina, by the cownose ray, Rhinoptera bonasus, in the Chesapeake Bay. Chesapeake Science, 16 (3): 205 |
| ortiz2001 | ORTIZ, M. & LALANA, R.R. (2001) Nuevos copepodos parasitos (Crustacea: Copepoda), de tiburones (Chondrichthyes), en aguas cubanas. [New records of copepod crustacean parasites of sharks (Chondrichthyes) of the Cuban waters.] Revista de Investigaciones Marinas, 22 (2): 157 |
| ortizacevedo2004 | ORTIZ-ACEVEDO, A. & MELENDEZ, M. & ASSEO, A.M. & BIAGGI, N. & ROJAS, L.V. & LASALDE-DOMINICCI, J.A. (2004) Tryptophan scanning mutagenesis of the gammaM4 transmembrane domain of the acetylcholine receptor from Torpedo californica. Journal of Biological Chemistry, 279 (40): 42250 |
| ortizdelgado2006 | ORTIZ-DELGADO, J.B. & SIMES, D.C. & VIEGAS, C.S.B. & SCHAFF, B.J. & SARASQUETE, C. & CANCELA, M.L. (2006) Cloning of matrix Gla protein in a marine cartilaginous fish, Prionace glauca: preferential protein accumulation in skeletal and vascular systems. Histochemistry and Cell Biology, 126 (1): 89 |
| orton1926 | ORTON, J.H. (1926) A Breeding Ground of the Nursehound (Scyliorhinus stellaris) in the Fal Estuary. Nature, 118 (2977): 732 |
| orvig1951 | ORVIG, T. (1951) Histologic studies of placoderms and fossil elasmobranchs 1: The endoskeleton, with remarks on the hard tissues of lower vertebrates in general. Arkiv für Zoologie, ser. 2, Band 2 (2): 321 |
| orvig1967 | ORVIG, T. (1967) Histologic studies of ostracoderms, placoderms and fossil elasmobranchs. 2. On the dermal skeleton of two late Paleozoic elasmobranchs. Arkiv für Zoologie, 19 (1): 1 |
| orvig1980 | ORVIG, T. (1980) Histologic studies of ostracoderms, placoderms and fossil elasmobranchs 4. Ptyctodontid tooth plates and their bearing on holocephalan ancestry: the condition of Ctenurella and Ptyctodus. Zoologica Scripta, 9 (3): 219 |
| orvig1985 | ORVIG, T. (1985) Histologic studies of ostracoderms, placoderms and fossil elasmobranchs. 5. Ptyctodontid tooth plates and their bearing on holocephalan ancestry: the condition of chimaerids. Zoologica Scripta, 14 (1): 55 |
| osaer2009 | OSAER, F. (2009) Morfometría y reproducción del angelote "Squatina squatina" (Linnaeus, 1758) en la isla de Gran Canaria. Ph.D. dissertation. Universidad de Las Palmas de Gran Canaria, Spain. pp. 173. |
| osaer2015 | OSAER, F. & NARVÁEZ, K. & PAJUELO, J.G. & LORENZO, J.M. (2015) Sexual development and maturity scale for the angel shark Squatina squatina (Elasmobranchii: Squatinidae), with comments on the adequacy of general maturity scales. Sexuality and Early Development in Aquatic Organisms, 1: 117 |
| osaer2016 | OSAER, F. & NARVÁEZ, K. (2016) The angel shark Squatina squatina prey of the isopod Aegapheles deshaysiana. Marine Biodiversity, 46 (1): 29 |
| osborne1971 | OSBORNE, N.N. (1971) Occurence of GABA and taurine in the nervous systems of the dogfish and some invertebrates. Comparative and General Pharmacology, 2 (8): 433 |