Aydın Örstan
Research Associate
Section of Mollusks
Carnegie Museum of Natural History
Pittsburgh, PA, U.S.A.
Searching for snails near Kastamonu, Turkey, October 2008 (Photo by Deniz Bevan)
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PUBLICATIONS Most papers are available as pdf copies; the rest will be uploaded eventually.
Örstan, A. Reproductive biology and the annual population cycle of Oxyloma retusum (Pulmonata: Succineidae). American Malacological Bulletin, in press.
Örstan, A. Activities of four species of land snails at low temperatures. Journal of Conchology, in press.
Örstan, A. An observation of the mating of Chondrus tournefortianus (Pulmonata: Enidae). Zoology in the Middle East, in press.
Örstan, A. & Dillon, R. T. 2009. Charles Darwin the malacologist. Mollusc World #20:4. pdf
Örstan, A. 2009. An eighteenth century description of the mating of Limax maximus. Mollusc World #19:10. pdf
Örstan, A. & Kösemen, M. 2009. Graves and snails: biodiversity conservation in an old cemetery in Istanbul, Turkey. Triton. #19:40-41. pdf
Örstan. A. 2009. Will assisted colonization be a viable option to save terrestrial gastropods threatened by climate change? Tentacle #19:14-16. pdf
Örstan, A. 2008. Notes on the reproduction of Rumina saharica from Turkey (Pulmonata: Subulinidae). Zoology in the Middle East 45:118-120. pdf
Örstan, A., Jass, J. & Klausmeier, B. 2008. The first record of the terrestrial isopod Armadillidium vulgare from Quebec (Isopoda: Oniscidea). Newsletter of the Biological Survey of Canada (Terrestrial Arthropods) 27(1):13. pdf
Örstan, A. 2008. Observation of a thrips (Insecta: Thysanoptera) inside an empty land snail shell (Pulmonata: Gastrodontidae). Triton. #17:22. pdf
Örstan, A. 2008. A new record of Helix aspersa from Virginia, USA (Pulmonata: Helicidae). Triton. #17:21. pdf
Örstan. A. 2008. Larva of the sciomyzid fly Pherbellia albovaria preys on the land snail Anguispira fergusoni. Triton #18:37. pdf
Örstan. A. 2008. Vernalization requirements of terrestrial gastropods and global warming. Tentacle #18: 17-18. pdf
Örstan, A. 2007. Contact with an alien. Tentacle #15:14-15. pdf
Örstan, A. 2007. A new record of Cecilioides acicula from North America (Pulmonata: Ferussaciidae). Triton No. 15, p. 38. pdf
Örstan, A. 2007. Conchological and anatomical characteristics of Xerocrassa cretica from Turkey (Pulmonata: Hygromiidae). Triton No. 15, pp. 39-40. pdf
Örstan, A, Yıldırım, M. Z. , Ceylan, S., Pearce, T.A. & Welter-Schultes, F. 2007. A new species of Idyla (Pulmonata: Clausiliidae) from Aydın Mountains, Turkey and the associated land snail fauna. Journal of Conchology 39:329-334. pdf
Örstan A. & Welter-Schultes, F. 2007. Reproductive isolation between two Albinaria species in a contact zone (Gastropoda: Clausiliidae). Schriften zur Malakozoologie 23:33-38. pdf
Örstan, A. 2006. Could deer overabundance impact terrestrial mollusks? Tentacle #14:20-21. pdf
Örstan, A. 2006. Natural diet of Oxyloma retusa (Pulmonata: Succineidae). Triton No. 13, pp. 36-37. pdf
Örstan, A. 2006. Antipredatory function of the retractibility of Batillaria minima into its shell. Triton No. 14, pp. 1-2. pdf
Örstan, A & Yıldırım, M. Z. 2006. The holotype of Sprattia sowerbyana aksoylari Yildirim, 1997 (Pulmonata: Clausiliidae). Triton No. 14, p. 37. pdf
Pearce, T. & Örstan, A. 2006. Terrestrial gastropoda, Chapter 22 in C. Sturm, T. A. Pearce & A. Valdés, editors, The Mollusks: A Guide to Their Study, Collection, and Preservation. pdf
Örstan, A. 2006. Rearing terrestrial gastropoda, Chapter 23 in C. Sturm, T. A. Pearce & A. Valdés, editors, The Mollusks: A Guide to Their Study, Collection, and Preservation. pdf
Örstan, A. 2005. The status of Pomatias elegans in Istanbul, Turkey. Tentacle No. 13, pp. 8-9. pdf
Örstan, A. Pearce, T. & Welter-Schultes, F. 2005. The land snail diversity of a threatened limestone district near Istanbul, Turkey. Animal Biodiversity and Conservation 28: 181-188. pdf
Örstan, A. 2005. Aestivation survival in some Turkish Albinaria species. Spirula No. 342, pp. 3-4. pdf
Örstan, A. 2005. Shell repair in Pomatia elegans (Caenogastropoda: Pomatiasidae). Triton No. 11, pp. 26-27. pdf
Örstan, A., Yıldırım, M. Z., Gümüş, B. A. & Welter-Schultes, F. W. 2005. The land snails of the Bodrum peninsula, Turkey. Mitteilungen der Deutschen Malakozoologischen Gesellschaft 73/74:1-15. Photographic copy
Örstan, A. 2004. Cemeteries as refuges for native land snails in Istanbul, Turkey. Tentacle No. 12, pp. 11-12. pdf
Örstan, A. 2004. Possible human-assisted dispersal of Levantina spiriplana (Pulmonata: Helicidae) in western Turkey. Triton No. 9, pp. 27-28. pdf
Örstan, A. & Yıldırım, M.Z. 2004. Borlumastus, a new land snail genus from Turkey (Gastropoda: Pulmonata: Enidae). Basteria 68:125-129. pdf
Örstan, A. & M.Z. Yıldırım. 2003. Conchological and genitalic comparisons of Jaminia loewii populations in Turkey (Gastropoda: Pulmonata: Enidae). Zoology in the Middle East 28:67-76.
Örstan, A. 2003. The rediscovery of Zonites algirus in İstanbul, Turkey (Gastropoda: Pulmonata). Zoology in the Middle East 29:75-78.
Örstan, A. 2003. The first record of Discus rotundatus from Turkey. Triton, No. 7 p. 27. pdf
Örstan, A. 2003. Calculation of the coefficient of variation from the diameter measurements of snail shells. Triton No. 8, pp. 21-32. pdf
Örstan, A. & F. Welter-Schultes. 2002. A dextral specimen of Albinaria cretensis (Pulmonata: Clausiliidae). Triton No. 5, pp. 25-28. pdf
Örstan, A. 2001. A Revision of Mastus carneolus (Mousson 1863) from Istanbul, Turkey (Gastropoda: Pulmonata: Enidae). Schriften zur Malakozoologie 17:65-70.
Örstan, A. 2001. A Preliminary Survey of Albinaria Populations Around Kusadasi Bay, Turkey. Triton No. 4:42-44. pdf
Neubert, E., A. Örstan & F. Welter-Schultes. 2000. The land snails of the area between Kas and Demre, southwestern Turkey, with special reference to Albinaria (Gastropoda, Pulmonata, Clausiliidae). Basteria 64:105-123.
Örstan, A. 2000. Island Hopping for Land Snails off Istanbul. American Conchologist 28(4):4-6. pdf
Örstan, A. 1999. Land Snails of Black Hill Regional Park, Montgomery County, Maryland. Maryland Naturalist 43(3-4):20-24. pdf
Örstan, A. 1999. Drill holes in land snail shells from western Turkey. Schriften zur Malakozoologie 13:31-36.
Örstan, A. 1998. Microhabitats and dispersal routes of bdelloid rotifers. Scientiae Naturae 1:27-36. pdf
Örstan, A. 1998. Factors affecting long-term survival of dry bdelloid rotifers: a preliminary study. Hydrobiologia 387/388:327–331. pdf
Örstan, A. 1995. Desiccation survival of the eggs of the rotifer Adineta vaga (Davis, 1873). Hydrobiologia 313/314:373-375. pdf
Örstan, A. 1995. A pathological condition in a bdelloid rotifer. Quekett j. Mic. 37:489.
Örstan, A. 1995. A new species of bdelloid rotifer from Sonora, Mexico. Southwestern Naturalist 40:255.
Örstan, A. 1992. Toxicity of acrylamide derivatives to embryos of the rotifer Adineta vaga. Bulletin of Environmental Contamination and Toxicology 48:901-906.
Örstan, A. & A. Gafni. 1991. Inhibition of proteinase K by phosphorylated sugars. Biochemistry International 25:657-662.
Örstan, A. 1990. Thermodynamics and life. Trends in Biochemical Sciences 15:137. pdf
Örstan, A. & A. Gafni. 1990. Enhanced proteolysis of glucose-6-phosphate dehydrogenase in the presence of palmitoyl coenzyme A. Biochemistry International 21:915-921.
Örstan, A. & A. Gafni. 1990. The interaction of acrylamide with glyceraldehyde-3-phosphate dehydrogenase. Structural modifications in the enzyme studied by fluorescence techniques. Photochemistry and Photobiology 51:725-731.
Örstan, A. 1990. How to define life: a hierarchical approach. Perspectives in Biology and Medicine 33:391-401.
Örstan, A. & J.F. Wojcik. 1988. The effect of dimethyl sulfoxide on the kinetics of azo dye-alpha-cyclodextrin inclusion complex formation. Carbohydrate Research 176:149-154.
Örstan, A. & J.B.A. Ross. 1987. Investigation of the beta-cyclodextrin-indole inclusion complex by absorption and fluorescence spectroscopies. Journal of Physical Chemistry 91:2739-2745.
Örstan, A., M.F. Lulka, B. Eide, P.H. Petra & J.B.A. Ross. 1986. Steroid-binding site of human and rabbit sex steroid binding protein of plasma: fluorescence characterization with equilenin.
Biochemistry 25:2686-2692.
Örstan, A. & J.F. Wojcik. 1985. Kinetic studies of azo dye-alpha-cyclodextrin complexes. Evidence for an isomerization step. Carbohydrate Research 143:43-50.
