• Keivany, Y. 1992. Utilization of sharks. The First Iranian Annual Conference on Marine Sciences. Nour, Iran.
• Keivany, Y. 1995. Taxonomic revision of the genus Pungitius with emphasis on P. hellenicus. Abstracts of the 75th ASIH Annual Meeting. Edmonton, Canada.
• Keivany, Y. 1996. Phylogenetic relationships of Gasterosteiformes. The First University of Alberta Graduate Students Seminar. Edmonton, Canada.
• Keivany, Y. 1997. Gasterosteiformes, Smegmamorpha, and phylogeny. PUBS 97, University of Alberta. Edmonton, Canada.
• Keivany, Y. 1997. Validity of Pungitius hellenicus, a ninespine stickleback from Greece. PUBS 97, University of Alberta. Edmonton, Canada.
• Keivany, Y., and J. S. Nelson. 1997. Validity of Pungitius hellenicus, a ninespine stickleback from Greece, with comments on other species. Abstracts of the 77th ASIH Annual Meeting. Seattle, USA.
• Keivany, Y., and J. S. Nelson. 1998. Phylogenetic relationships of the brook stickleback, Culaea inconstans. CCFFR 98, Queen's University. Kingston, Canada.
• Keivany, Y. 1999. Phylogenetic relationships of Gasterosteiformes. Abstracts of the 79th ASIH Annual Meeting. State College, USA.
• Keivany, Y. and N.M. Soofiani. 2002. Preliminary study of biodiversity in Iranian toothcarps. Abstracts of the first Iranian conference on animal science and biodiversity. University of Kerman, Iran.
• Keivany, Y. and N.M. Soofiani. 2003. Biology of the Zagros toothcarp, Aphanius vladykovi (Cyprinodontidae), from central Iran. Abstracts of the 83th ASIH Annual Meeting. State College, USA.
• Keivany, Y. and J.S. Nelson. 2003. Phylogenetic relationships of sticklebacks (Gasterosteidae). Abstracts of the 4th International Conference on Stickleback Behavior and Evolution. Stromstad, Sweden.
• Keivany, Y. 2003. Phylogenetic relationships of acanthopterygian fishes. Abstracts of the 11th Iranian Biology Conference. University of Urmia, Iran. P. 488.
• Keivany, Y. and N.M. Soofiani. 2003. Biology of Zagros toothcarp, Aphanius vladykovi (Cyprinodontidae). Abstracts of the 11th Iranian Biology Conference. University of Urmia, Iran.
• Keivany, Y. and N.M. Soofiani. 2004. Biology of the Zagros toothcarp, Aphanius vladykovi (Cyprinodontidae), from central Iran. Abstracts of the 19th International Zoological Congress, Beijin, China, Aug. 23-27, 2004.
• Keivany, Y. 2004. Interrelationships of Gasterosteiform fishes. Abstracts of the 19th International Zoological Congress, Beijin, China, Aug. 23-27, 2004.