Taxonomy; Diversity; Morphology; Molecular phylogeny; Phylogeography; Evolution; Ecology; Life history

Taxonomy and phylogeny of ophiuroids by morphological and molecular studies

Inventory and taxonomy of echinoderms in Japan and the west Pacific

Reproductive biology of ophiuroids and its phylogenetical consideration

How are dense populations of deep-sea epibenthic ophiuroids maintained?

Graduate students:  Utako Iwasaki, Masanori Okanishi

Hoshino, S., Saito, D. S. and Fujita, T. (2008). Contrasting genetic structure of two Pacific Hymeniacidon species. Hydrobiologia 603: 313-326.

Fujita, T. (2008). Echinoderms in Sagami Bay: Past and Present Studies. In: Origin and Evolution of Natural Diversity, ed.by Okada, H., Mawatari, S. F., Suzuki, N., Gautam, P.,Hokkaido University, Sapporo, pp. 117-123.

Fujita, T., Yasin, Z. B., and Tan Shau Hwai, A. (2008). Preliminary List of Shallow-water Ophiuroids (Echinodermata) Collected from the Tioman Islands in the South China Sea, Malaysia. Mem. Natn. Mus. Nat. Sci. 45: 1-11.

Hoshino, S., and Fujita, T. (2006). Isolation of polymorphic microsatellite markers from Hymeniacidon sinapium (Porifera: Demospongiae: Halichondria). Mol. Ecol. Notes 6: 829-831.

Fujita T., and Namikawa H. (2006) New observations of Ophiocnemis marmorata (Echinodermata, Ophiuroidea) associated with Rhopilema esculentum (Cnidaria, Scyphozoa, Rhizostomeae) in the Philippines and Japan. Mem. Natn. Sci. Mus. 44: 31-37.

Saba, M., and Fujita, T. (2006). Asteroidea (Echinodermata) from the Sagami Sea, central Japan. 1. Paxillosida and Valvatida. Mem. Natn. Sci. Mus. 41: 251-287.

Ise, Y., and Fujita,T. (2005). A new species of the boring sponge Cliona (Porifera: Demospongiae: Clinonaidae) from the Ryukyu Islands, Japan. Species Diversity 10: 37-43.

Kogo, I., and Fujita, T. (2005). Geographical distribution of crinoids (Echinodermata) in southwestern Japan. Natn. Sci. Mus. Monogr. 29: 297-355.

Fujita, T., and S. Irimura, 2005. Ophiuroids (Echinodermata) collected by R/V Yoko-Maru off southwestern Japan in the East China Sea. Natn. Sci. Mus. Monogr. 29: 357-384.

Nakamura, K., and Fujita, T. (2004) Ammothea hilgendorfi (Pycnogonida: Ammotheidae) associated with a sea-star, Coscinasterias acutispina (Echinodermata: Asteroidea), from Sagami Bay. Species Diversity 9: 251-258.

Ishida, Y., Fujita, T., and Kamada, K. (2004) Ophiuroid trace fossils in the Triassic of Japan compared to the resting behavior of extant brittle stars. In: Echinoderms: München, ed. by T. Heinzeller and J. H. Nebelsick, Taylor & Francis Group, London, pp. 433-438.

Fujita, Toshihiko and Loisette M. Marsh (2004). Results of the Rumphius Biohistorical Expedition to Ambon (1990). Part 12. The Asteroidea (Echinodermata) collected from Ambon, Indonesia. Zool. Mededel. 78: 161-179.

Fujita, T., Ishida, Y., Kato, K. and Irimura, S. (2004). Ophiuroids (Echinodermata) collected from the Oki Islands in the Sea of Japan. Bull. Natn. Sci. Mus., Ser. A (Zool.) 30: 191-218.

Irimura, S., and Fujita, T. (2003). Interspecific variation of vertebral ossicle morphology in the Ophiuroidea. In: Echinoderm research 2001, ed. by Féral, J-P. and B. David, Swetz & Zeillinger, Lisse, 161-167.

Fujita, T. (2003) Arm regeneration frequency in bathyal populations of Ophiura sarsii off northern Japan. In: Echinoderm research 2001, ed. by Féral, J-P. and B. David, Swetz & Zeillinger, Lisse, pp. 221-227.

Fujita, T., and Rowe, F. W. E. (2002). Podosphaerasiteridae fam. nov. (Echinodermata: Asteoridea: Valvatida), with a new species, Podosphaeraster toyoshiomaruae, from Southern Japan. Species Diversity 7: 317-332.