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SeaLifeBase References Starting with 'O' n=256
Ref. No.	Author	Citation
77895	O'Brien, F.X. , 1975	O'Brien, F.X., 1975. Carpella equilibra Say, 1818, first report of its occurrence in Massachusetts and its association with the Stomatopod Squilla empusa Say, 1818. Crustacea 29(2): 220-221.
79381	O'Céidigh, P. , 1962	O'Céidigh, P., 1962. The marine Decapoda of the counties Galway and Clare. Proceedings of the Royal Irish Academy (B)62:151-174.
78480	O'Clair, R.M. and C.E. O'Clair , 1998	O'Clair, R.M. and C.E. O'Clair, 1998. Southeast Alaska's Rocky Shores Plant Press, AK. 561 pp
2606	O'Dor, R.K. , 1983	O'Dor, R.K., 1983. Illex illecebrosus. Department of Biology, Dalhousie University. Halifax, Canada.
2609	O'Dor, R.K. and E.G. Macalaster , 1983	O'Dor, R.K. and E.G. Macalaster, 1983. Bathypolypus arcticus. Department of Biology, Dalhousie University, Halifax, Canada.
1971	O'Dor, R.K. and E.G. Macalaster , 1983	O'Dor, R.K. and E.G. Macalaster, 1983. Bathypolypus arcticus. p. 401-410. In: Boyle, P.R. (ed.) Cephalopod Life Cycles. Academic. London.
3803	O'Driscoll, R.L. , 1998	O'Driscoll, R.L., 1998. Description of spatial patterns in seabird distributions along line transects using neighbour K statistics. Marine Ecology Progress Series 165: 81-94.
26865	O'Driscoll, R.L. , 1998	O'Driscoll, R.L., 1998. Feeding and schooling behaviour of barracouta (Thyrsites atun) off Otago, New Zealand. Mar. Freshwat. Res. 49:19-24.
5171	O'Driscoll, R.L., M. Renner, F.J. Austin and H.G. Spencer , 1998	O'Driscoll, R.L., M. Renner, F.J. Austin and H.G. Spencer, 1998. Distribution of seabirds in coastal waters off Otago, new Zealand. New Zealand Journal of Marine and Freshwater Research 32: 203-213.
687	O'Hara, T. , 1998	O'Hara, T., 1998. Origin of Macquarie Island echinoderms. Polar Biology 20: 143-151.
77930	O'Hara, T.D. and G.C.B. Poore , 2000	O'Hara, T.D. and G.C.B. Poore, 2000. Patterns of distribution for southern Australian marine echinoderms and decapods. Journal of Biogeography 27: 1321-1335.
489	O'Loughlin, P.M. , 1998	O'Loughlin, P.M., 1998. A review of the holothurian family Gephyrothuriidae. p. 493-498. In: In: Guille, D.B., J.P. Feral and M. Roux (eds.) Echinoderms Through Time. Proceedings of the Eighth International Echinoderm Conference, Dijon, France, 6-10 September 1993. A.A. Balkema Press, Rotterdam.
576	O'Loughlin, P.M. , 1998	O'Loughlin, P.M., 1998. Elasipod holothurians from the continental slope of Australia. p. 499-504, Figs. 1-2. In: R. Mooi and M. Telford (eds.) Proceedings of the Ninth International Echinoderm Conference, San Francisco, USA August 5-9, 1996. A.A. Balkema, Rotterdam.
487	O'Loughlin, P.M. , 1998	O'Loughlin, P.M., 1998. Elasipod holothurians from the continental slope of Australia. p. 499-504. In: Guille, D.B., J.P. Feral and M. Roux (eds.) Echinoderms Through Time. Proceedings of the Eighth International Echinoderm Conference, Dijon, France, 6-10 September 1993. A.A. Balkema Press, Rotterdam.
692	O'Loughlin, P.M. , 2000	O'Loughlin, P.M., 2000. A review of the cucumariid genus Psolidiella Mortensen (Echinodermata, Holothuroidea). Memoirs of Museum Victoria 58(1): 25-37.
3122	O'Loughlin, P.M. , 2002	O'Loughlin, P.M., 2002. Report on selected species of BANZARE and ANARE Holothuroidea, with reviews of Meeres Ludwig and Heterocucumis Panning (Echinodermata). Memoirs of Museum Victoria 59(2): 297-325.
743	O'Loughlin, P.M. , 2002	O'Loughlin, P.M., 2002. Report on selected species of Banzare and Anare Holothuroidea, with reviews of Meseres Ludwig and Heterocucumis Panning (Echinodermata) Memoirs of Museum Victoria; 59(2); 297-325
472	O'Loughlin, P.M. , 2002	O'Loughlin, P.M., 2002. Report on selected species of Banzare and Anare Holothuroidea, with reviews of Meseres Ludwig and Heterocucumis Panning (Echinodermata). Memoirs of Museum Victoria 59: 297-325.
690	O'Loughlin, P.M. and N. Alcock , 2000	O'Loughlin, P.M. and N. Alcock, 2000. The New Zealand Cucumariidae (Echinodermata, Holothuroidea). Memoirs of Museum Victoria 58(1): 1-24.
510	O'Loughlin, P.M., T.M. Bardsley and T.D. O'Hara , 1994	O'Loughlin, P.M., T.M. Bardsley and T.D. O'Hara, 1994. A preliminary analysis of diversity and distribution of Holothurioidea from Prydz Bay and the MacRobertson Shelf, eastern Antarctica. p. 549-555. In: Guille, D.B., J.P. Feral and M. Roux (eds.) Echinoderms Through Time. Proceedings of the Eighth International Echinoderm Conference, Dijon, France, 6-10 September 1993. A.A. Balkema Press, Rotterdam.
77104	O'Shea, S. , 2004	O'Shea, S., 2004. The giant octopus Haliphron atlanticus in New Zealand waters. New Zealand Journal of Zoology 31: 7-13.
1903	O'Shea, S. and C.C. Lu , 2002	O'Shea, S. and C.C. Lu, 2002. A new species of Liteuthis (Mollusca: Cephalopoda: Octopoda: Cirrata) from South China Sea. Zoological Studies 41(2): 119-126.
7599	O'Shea, S. and T. Kubodera , 1996	O'Shea, S. and T. Kubodera, 1996. Eggs and larvae of Graneledone sp. (Mollusca, Octopoda) from New Zealand. Bull. Natn. Sci. Mus., Tokyo (Series A) 22(3): 153-164.
1657	O'Sullivan, D. , 1986	O'Sullivan, D., 1986. A guide to the ctenophores of the Southern Ocean and adjacent waters. Australian National Antarctic Research Expedition Research Notes 36: 1-43.
53689	O'Sullivan, S., C. Moriarity and J. Davenport , 2004	O'Sullivan, S., C. Moriarity and J. Davenport, 2004. Analysis of the stomach contents of the European conger eel Conger conger in Irish waters. J. Mar. Biol. Assoc. U.K. 84(4):823-826.
5529	Oades, R.D. , 1974	Oades, R.D., 1974. Predation of Xantus' Murrelet by Western Gull. Condor 76(4): 229.
80133	Oakley, K.L. , 1981	Oakley, K.L., 1981. Determinants of Population Size of Pigeon Guillemots Cepphus columba on Naked Island, Prince William Sound, Alaska. MSc Thesis, University of Alaska, Fairbanks.
4568	Oakley, K.L. and K.J. Kuletz , 1996	Oakley, K.L. and K.J. Kuletz, 1996. Population, reproduction, and foraging of Pigeon Guillemots at Naked Island, Alaska, before and after the Exxon Valdez Oil Spill. American Fisheries Society Symposium 18: 759-769.
5820	Oatley, T.B., L.G. Underhill and G.J.B. Ross , 1992	Oatley, T.B., L.G. Underhill and G.J.B. Ross, 1992. Recovery rate of juvenile Cape Ganntes: a potential indicator of marine conditions. Colonial Waterbirds 15(1): 140-143.
78907	Obarrio, J.L. , 1954	Obarrio, J.L., 1954. Investigación del Camarón en Panamá. Segundo Centro Latinoamericano dde Capacitación Pesquera. Trabajos presentados al final del curso por los señores becados 41: 1-6.
645	OBIS , 2005	OBIS, 2005. OBIS database. HTTP://www.iobis.org/IndexSearch?category=IEdH
4337	Obst, B.S. , 1985	Obst, B.S., 1985. Densities of Antarctic seabirds at sea and the presence of the krill Euphausia superba. Auk 102: 540-549.
7028	Obst, B.S. and Hunt, G.L. Jr , 1990	Obst, B.S. and Hunt, G.L. Jr, 1990. Marine birds feed at Gray Whale mud plumes in the Bering Sea. Auk 107: 678-688.
80134	Obst, B.S. and K.A. Nagy , 1993	Obst, B.S. and K.A. Nagy, 1993. Stomach oil and the energy budget of Wilson’s storm-petrel nestlings. The Condor 95, 792-805.
376	Obst, M. and P. Funch , 2005	Obst, M. and P. Funch, 2005. The microhabitat of Symbion pandora (Cycliophora) on the mouthparts of its host Nephrops norvegicus (Decapoda: Nephropidae). Marine Biology. 7 pp.
8243	Obst, M., P. Funch and R.M. Kristensen , 2006	Obst, M., P. Funch and R.M. Kristensen, 2006. A new species of Cycliophora from the mouthparts of the American lobster, Homarus americanus (Nephropidae, Decapoda). Organisms, Diversity and Evolution 6: 83-97.
242	Ocaña, O. , 1994	Ocaña, O., 1994. Actiniaria y Corallimorpharia de la Macronesia Central: Canarias y Madeira. Doctoral Thesis, Universidad de La Laguna.
1638	Ocaña, O., J.J. Bacallado, J. Núñez and A. Brito , 1991	Ocaña, O., J.J. Bacallado, J. Núñez and A. Brito, 1991. Presencia de Phoronis australis Haswell, 1883 (Phoronida, Lophophorata) en las Islas Canarias. Vieraea. 20:83-88.
2740	OCEANA , 2007	OCEANA, 2007. The use of 'Rasco' gillnets in the anglerfish, king crab, and deep-sea sharks fisheries in the northeast Atlantic: the need for their urgent closure as a preventive measure and views on their future viability as an example of sustainable fishing in CFP. HTTP://staging.oceana.org/fileadmin/oceana/uploads/europe/reports/DEEPNET_FISHING_report_eng.pdf [accessed 02/06/07].
80458	Ochoa Acuña, H. and J. M. Francis , 1995	Ochoa Acuña, H. and J. M. Francis, 1995. Spring and summer prey of the Juan Fernandez fur seal, Arctocephalus philippii. Canadian Journal of Zoology 73:1444-1452.
5656	Ochoa-Aguna, H. and W.A. Montevecchi , 2002	Ochoa-Aguna, H. and W.A. Montevecchi, 2002. Basal metabolic rate of adult Leach's Storm Petrels during incubation. Waterbirds 25(2): 249-252.
80325	Odhner, N.H. , 1936	Odhner, N.H., 1936. Nudibranchia Dendronotacea - A revision of the system. Mem. Mus. Roy. Hist. Nat. Belg. Series 2(3):1057-1128.
78133	Odhner, N.H.J. , 1919	Odhner, N.H.J., 1919. Contribution a la faune malacologique de Madagasar. Arkiv For Zoologi, K. Svenska Vetenskapsakademien 12(6): 52. 4 pl.
79374	Odhner, T. , 1923	Odhner, T., 1923. Marine Crustacea Podophthalmata aus Angola und Südafrika gesammelt von H. Skoog 1912. Meddelelser fran Göteborgs Museum, Zoologisk Avdelning (ser. 4)27:1-39.
55513	Odum, O. and M. Anuta , 2001	Odum, O. and M. Anuta, 2001. The food and feeding habits of Phractolaemus anosrgii (Boulenger) from Warri River, Nigeria J. Aquatic Sci. 16(1):18-21
4462	Oedekoven, C.S., D.G. Ainley and L.B. Spear , 2001	Oedekoven, C.S., D.G. Ainley and L.B. Spear, 2001. Variable responses of seabirds to change in marine climate: California Current, 1985-1994. Marine Ecology Progress Series 212: 265-281.
4757	Ofelt, C.H. , 1975	Ofelt, C.H., 1975. Food habits of nesting Bald Eagles in Southeast Alaska. The Condor 77(3): 337-338.
4504	Offredo, C. and V. Ridoux , 1986	Offredo, C. and V. Ridoux, 1986. The diet of Emperor Penguins Aptenodytes forsteri in Adelie Land, Antarctica. Ibis 128(3): 409-413.
5021	Offredo, C., V. Ridoux and M.R. Clarke , 1985	Offredo, C., V. Ridoux and M.R. Clarke, 1985. Cephalopods in the diets of Emperor and Adelie penguins in Adelie Land, Antarctica. Marine Biology 86: 199-202.
8878	Ofori-Danson, P.K. , 1992	Ofori-Danson, P.K., 1992. Ecology of some species of catfish Synodontis (Pisces: Mochocidae) in the Kpong Headpond in Ghana. Environ. Biol. Fish. 35:49-61.
574	Oganesyan, S.A. and G.V. Grigorjev , 1996	Oganesyan, S.A. and G.V. Grigorjev, 1996. Morphology and seasonal changes of gonads in Cucumaria frondosa (Holothuroidea, Echinodermata) in the Barents Sea. In: R. Mooi and M. Telford (eds.) Proceedings of the Ninth International Echinoderm Conference, San Francisco, USA 1996. A.A. Balkema, Rotterdam.
76905	Ogawa, K. and K. Matsuzaki , 1987	Ogawa, K. and K. Matsuzaki, 1987. Ecological notes on Chirostylus dolichopus (Anomura: alathoidea: Chirostylidae) at Miyake-jima, Japan. Researches on Crustacea 16: 30-46.
79372	Ogawa, K. and K. Matsuzaki , 1992	Ogawa, K. and K. Matsuzaki, 1992. Description of the zoea of Chirostylus dolichopus (Anomura, Galatheoidea, Chirostylidae). Bulletin of the Instutite Oceanic Research and Development, Tokai University 13:65-70.
79373	Ogawa, K. and K. Matsuzaki , 1993	Ogawa, K. and K. Matsuzaki, 1993. Chirostylus ortmanni Miyake et Baba, 1968, a synonym of C. dolichopus Ortmann, 1892 (Crustacea, Anomura, Chirostylidae). Bulletin of the Instutite Oceanic Research and Development, Tokai University 14:65-69.
6009	Ogden, J. , 1979	Ogden, J., 1979. Estimates of the population sizes of the Black Noddy and Wedge-tailed Shearwater at Heron Island in 1978. Sunbird 10(2): 33-39.
6456	Ogden, J. , 1993	Ogden, J., 1993. Population increase and nesting patterns of the black noddy Anous minutus in Pisonia forest on Heron Island: Observations in 1978, 1979 and 1992. Australian Journal of Ecology 18: 395-403.
5622	Ogi, H. , 1980	Ogi, H., 1980. The pelagic feeding ecology of Thick-billed Murres in the North Pacific, March-June. Bulletin of the Faculty of Fisheries Hokkaido University 31(1): 50-72.
4267	Ogi, H. , 1984	Ogi, H., 1984. Feeding ecology of the Sooty Shearwater in the western subarctic North Pacific Ocean. In Nettleship, D.N., Sanger, G.A. and Springer, P.A. (eds.), Marine birds: their feeding ecology and commercial fisheries relationships. Minister of Supply and Services Canada 78-84.
7055	Ogi, H. and K. Shiomi , 1991	Ogi, H. and K. Shiomi, 1991. Diet of Murres caught incidentally during winter in Northern Japan. Auk 108: 184-185.
5592	Ogi, H. and T. Hamanaka , 1982	Ogi, H. and T. Hamanaka, 1982. The feeding ecology of Uria lomvia in the Northwestern Bering Sea Region. Journal of Yamashina Institute of Ornithology 14: 270-280.
5983	Ogi, H. and T. Tsujita , 1973	Ogi, H. and T. Tsujita, 1973. Preliminary examination of stomach contents of Murres (Uria spp.) from the eastern Bering Sea and Bristol Bay, June-August, 1970 and 1971. Japanese Journal of Ecology 23(5): 201-209.
6059	Ogi, H. and T. Tsujita , 1977	Ogi, H. and T. Tsujita, 1977. Food and feeding habits of Common Murre and Thick-billed Murre in the Okhotsk Sea in Summer, 1972 and 1973. Research Institute of North Pacific Fisheries, Hokkaido University (special volume): 459-517.
5596	Ogi, H., H. Tanaka and T. Tsujita , 1985	Ogi, H., H. Tanaka and T. Tsujita, 1985. The distribution and feeding ecology of Murres in the Northwestern Bering Sea. Journal of Yamashina Institute of Ornithology 17: 44-56.
5632	Ogi, H., T. Kubodera and K. Nakamura , 1980	Ogi, H., T. Kubodera and K. Nakamura, 1980. The pelagic feeding ecology of the Short-tailed Shearwater Puffinus tenuirostris in the Subarctic Pacific Region. Journal of Yamashina Institute of Ornithology 12(3): 157-181.
1158	Ogunlana, M.V., M.D. Hooge, Y.I. Tekle, Y. Benayahu, O. Barneah and S. Tyler , 2005	Ogunlana, M.V., M.D. Hooge, Y.I. Tekle, Y. Benayahu, O. Barneah and S. Tyler, 2005. Waminoa brickneri n. sp. (Acoela: Acoelomorpha) associated with corals in the Red Sea. Zootaxa 1008: 1-11.
2431	Oguz, M.Ç. And Y. Kvach , 2006	Oguz, M.Ç. And Y. Kvach, 2006. Occurrence of acanthocephalans in Teleost fishes of Gemlik Bay, Sea of Marmara, Turkey. HELMINTHOLOGIA, 43(2): 103-108
77946	Oh, C., H. Suh, K. Park, C. Ma and H. Lim , 2002	Oh, C., H. Suh, K. Park, C. Ma and H. Lim, 2002. Growth and reproductive biology of the freshwater shrimp Exopalaemon modestus (Decapoda: Palaemonidae) in a lake of Korea. Journal of Crustacean Biology 22(2): 357-366.
77722	Oh, C.W. and I.J. Jeong , 2003	Oh, C.W. and I.J. Jeong, 2003. Reproduction and population dynamics of Acetes chinensis (Decapoda: Sergestidae) on the western coasta of Korea, Yellow Sea. Journal of Curstacean Biology 23(4): 827-835.
78003	Oh, C.W., J.Y. Kim, I.J. Jeong, H.L. Suh and Y.K. Cho , 2006	Oh, C.W., J.Y. Kim, I.J. Jeong, H.L. Suh and Y.K. Cho, 2006. Reproduction and poopulation dynamics of Leptochela gracilis (Decapoda: Pasiphaeidae) on the western coast of Korea, Yellow Sea. Journal of Marine Biology Association. UK 86: 113-129.
5890	Ohi, H. , 1984	Ohi, H., 1984. Seabird mortality incidental to the Japanese salmon gill-net fishery. In Croxall, J.P., Evans, P.G.H. and Schreiber, R.W. (eds.), Status and Conservation of the World's Seabirds. ICBP Technical Publication 2: 717-721.
3759	Ohno, M. and K. Fujino , 1952	Ohno, M. and K. Fujino, 1952. Biological investigations on the whales caught by the Japanese Antarctic whaling fleets, season 1950 to 1951. Scient. Rep. Whales Res. Inst., Tokyo 7: 125-168.
207	Ohshima, A. , 1927	Ohshima, A., 1927. Nymphonella tapetis, n.g., n.s.p., a pycnogon parasitic in a bivalve. Annotationes Zoologicae Japonenses 11(3): 257-263.
204	Ohshima, H. , 1927	Ohshima, H., 1927. Notes on some pycnogons living semi-parasitic on holothurians. Proceedings of the Imperial Academy (Japan) 3(9): 610-613.
203	Ohshima, H. , 1933	Ohshima, H., 1933. Young pycnogonids found parasitic in nudibranchs. Annotationes Zoologicae Japonenses 14(1): 61-66.
75811	Ohsumi, S. , 1965	Ohsumi, S., 1965. Reproduction of the sperm whale in the North Pacific. Sci. Rep. Whales. Ros. Inst.19:1-35
75807	Ohsumi, S. , 1979	Ohsumi, S., 1979. Feeding habits of the minke whale in the Antarctic Rep. Int. Whaling Comm. 29: 473-476.
75805	Ohsumi, S. and Y. Masaki , 1974	Ohsumi, S. and Y. Masaki, 1974. Status of whale stocks in the Antarctic 1972-73. Rep. Int. Whal. Commn., 24:102-113.
3751	Ohsumi, S., Y. Masaki and A. Kawamura , 1970	Ohsumi, S., Y. Masaki and A. Kawamura, 1970. Stock of the Antarctic Minke whale. Sci. Rep. Whales. Res. Inst. 22: 75-126.
54487	Ohta, I. and K. Tachihara , 2004	Ohta, I. and K. Tachihara, 2004. Larval development and food habits of the marbled parrotfish, Leptoscarus vaigiensis, associated with drifting algae. Ichthyol. Res. 51: 63-69.
1041	Ohtsuka, S. and D.V.P. Conway , 2003	Ohtsuka, S. and D.V.P. Conway, 2003. A new speices of Tortanus (Atortus) (Copepoda: Calanoida: Tortanidae) from Rodrigues Island, Mauritius. Journal of Marine Biology Association United Kingdom 83: 355-360.
78564	Ohtsuka, S. and G.A. Boxshall , 1998	Ohtsuka, S. and G.A. Boxshall, 1998. Two new genera of Tantulocarida (Crustacea) infesting asellote isopods and siphonostomatoid copepods from western Japan. Paradoryphallophora inusitata p. 685 and Hypertantulus siphonicola p. 695 in J. nat. Hist. 32: 683-699.
1042	Ohtsuka, S. and G.A. Boxshall , 2004	Ohtsuka, S. and G.A. Boxshall, 2004. A new species of the deep-sea copepod genusScutogerulus (Calanoida; Arietellidae) from the hyperbenthic water of Okinawa, Japan. Systematics and Biodiversity 2(1): 49-55.
77778	Ohtsuka, S. and J.W. Reid , 1998	Ohtsuka, S. and J.W. Reid, 1998. Phylogeny and zoogeography of the planktonic copepod genus Tortanus (Calanoida: Tortanidae), with establishment of a new subgenus and descriptions of tw new species. Journal of Crustacean Biology 18(4): 774-807.
77776	Ohtsuka, S. and R. Huys , 2001	Ohtsuka, S. and R. Huys, 2001. Sexual dimorphism in calanoid copepods: morphology and function. Hydrobiologia 453/454: 441-466.
78020	Ohtsuka, S. and T. Onbe , 1991	Ohtsuka, S. and T. Onbe, 1991. Relationship between mouthpart structures and in situ feeding habits of species of the family Pontellidae (Copepoda: Calanoida). Marine Biology 111: 213-225.
77702	Ohtsuka, S., G.A. Boxshall and K. Torigoe , 2000	Ohtsuka, S., G.A. Boxshall and K. Torigoe, 2000. A new genus and species of the family Mantridae (Copepoda: Cyclopoida) infesting the bivalve Pseudochama retroversa from the Seto Inland Sea, western Japan. Journal of Natural History 34: 1967-1976.
5212	Ohyama, Y. and Y. Naito , 1982	Ohyama, Y. and Y. Naito, 1982. Visual observations of the Antarctic seabirds during the Fibex cruise of the Kaiyo Maru. In Hoshiai, T. and Naito, Y. (eds.), Proceedings of the Fifth Symposium on Antarctic Biology. Memoirs of National Institute of Polar Research, Tokyo, Japan. 23: 87-93.
3853	Ohyama, Y. and Y. Naito , 1982	Ohyama, Y. and Y. Naito, 1982. Visual observations of the Antarctic seabirds during the FIBEX Cruise of the KAIYO MARU. In Hoshiai, T. and Naito, Y. (eds.), Proceedings of the First Symposium on Antarctic Biology. Memoirs of National Institute of Polar Research, Special Issue, National Institute of Polar Research, Tokyo (23): 87-93.
76681	Ojaveer, H., S. Gollasch and A. Jaanus , 2006	Ojaveer, H., S. Gollasch and A. Jaanus, 2006. Chinese mitten crab Eriocheir sinensis in the north-eastern Baltic Sea. In: H. Ojaveer and J. Kotta (eds.) Alien invasive species in the north-eastern Baltic Sea: population dynamics and ecological impacts. Estonian Marine Institute Report Series 14: 18-22.
3923	Ojowski, U., C. Eidtmann, R.W. Furness and S. Garthe , 2000	Ojowski, U., C. Eidtmann, R.W. Furness and S. Garthe, 2000. Diet and nest attendance of incubating and chick-rearing northern fulmars (Fulmarus glacialis) in Shetland. Marine Biology 139(6): 1193-1200.
3720	Oka, A. , 1912	Oka, A., 1912. Eine neue phylogenetisch interessante Synascidie. (Cyathocormus mirabilis n. g. n. sp.) Zool. Anz. Leipzig 40: 257-261.
3717	Oka, A. , 1926	Oka, A., 1926. Sur un genre nouveau d'Ascidies Simples ("Corelloides" nov. gen.) Proc. Imp. Acad, Tokyo 2: 67-68.
3716	Oka, A. , 1934	Oka, A., 1934. Ueber Clavelina coerulea n. sp., die erste van Japan bekannt gewordene Clavelina. Proc. Imp. Acad. Japan lO(6) : 365-6.
3778	Oka, A.T., M. Suetsugu and E. Hirose , 2005	Oka, A.T., M. Suetsugu and E. Hirose, 2005. Two new species of Diplosoma (Ascidiacea: Didemnidae) bearing prokaryotic algae Prochloron from Okinawajima (Ryukyu Archipelago, Japan). Zoological Science 22(3): 367pp.
6196	Oka, N. , 1994	Oka, N., 1994. Underwater feeding of three Shearwaters: Pale-footed (Puffinus carneipes), Sooty (Puffinus griseus) and Streaked (Calonectris leucomelas) Shearwaters. Journal of Yamashina Institute of Ornithology 26: 81-84.
11247	Okach, J.O. and S. Dadzie , 1988	Okach, J.O. and S. Dadzie, 1988. The food, feeding habits and distribution of a siluroid catfish, Bagrus docmac (Forsskal), in the Kenya waters of Lake Victoria. J. Fish Biol. 32:85-94.
55748	Okedi, J. , 1970	Okedi, J., 1970. A study of the fecundity of some mormyrid fishes from Lake Victoria. E. Afr. Agric. Forest. J. 35:436-442.
77992	Okemwa, E.N. , 1986	Okemwa, E.N., 1986. Planktonic copepods from coastal and inshore waters of Tudor Creek, Mombasa. Kenya Journal of Sciences Series B 7(2): 27-34.
8392	Okemwa, E.N. , 1992	Okemwa, E.N., 1992. A long-term sampling study of Copepods across a Tropical Creek in Mombasa, Kenya. E. Afr. Agric. For. J. 57(4): 199-215.
76545	Okemwa, E.N. , 1993	Okemwa, E.N. , 1993. The composition and structure of the plankton community in the Tudor Creek, Mombasa, Kenya. Conference Report SAREC 1993/1: 135-161. Stockholm, Sweden.
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