PUBLICATIONS
Peer Reviewed Articles * = corresponding author.
- Chen, J., Hogancamp, N., Lu, M., Ikejiri, T., Malina, N., Ojeda, A., Sun, Y. and Lu, Y., 2023. Lipid biomarkers recording marine microbial community structure changes through the Frasnian‐Famennian mass extinction event. Geobiology. (https://doi.org/10.1111/gbi.12568) [pdf]
- Lu, Man, T. Ikejiri*, YueHan Lu. 2021. A synthesis of the Devonian wildfire record: Implications for paleogeography, fossil flora, and paleoclimate. Palaeogeography, Palaoeclimatology, Palaeooceanography. (https://doi.org/10.1016/j.palaeo.2021.110321) [TEXT pdf] (Supplementary materials w/ corrections: updated on 04/17/2021)
- Lu, M., Lu, Y.H., Ikejiri, T., Sun, D., Caroll, R., Blair, E.H., Algeo, J., and Sun, Y., 2021 (In press: available on May 15). Periodic oceanic euxinia and terrestrial fluxes linked to astronomical forcing during the Late Devonian Frasnian–Famennian mass extinction. Earth and Planetary Science Letters. https://doi.org/10.1016/j.epsl.2021.116839. [pdf]
- Ikejiri, T.*, YueHan Lu, Bo Zhang. 2020. Two step extinctions of Cretaceous marine vertebrates in northern Gulf of Mexico revealing the magnitude of the Chicxulub impact. Scientific Reports 10:4169. [pdf]
- Lu, Man, YueHan Lu, T. Ikejiri, N. Hogancamp, Yongge Sun, Qihang Wu, Richard Carroll, I. Çemen & J. Pashin. 2019. Geochemical evidence of first forestation in the southernmost Euramerica from Upper Devonian (Famennian) black shales. Scientific Reports 9:7581. [pdf]
- Ikejiri, T.* 2015. Modes of postnatal ontogenetic allometry in crocodylian vertebrae. Biological Journal of the Linnean Society 216: 649–670. [pdf]
- Ikejiri, T.*, and M.J. Everhart. 2015. Notes on the Authorship and Holotype of Ptychodus mortoni (Chondrichthyes, Ptychodontidae). New Mexico Museum of Nature and Science Bulletin 67 (‘Fossil Record 4’): 69–73. [pdf]
- Ikejiri, T.*, and S.G. Lucas. 2015. Osteology and taxonomy of Mosasaurus conodon Cope 1881 from the Late Cretaceous of North America. Netherlands Journal of Geosciences - Geologie en Mijnbouw, 94: 39-54. [pdf]
- Ikejiri, T.*, J. Ebersole, H.L. Blewitt, and S. Ebersole. 2013. An overview of Late Cretaceous vertebrates from Alabama. Alabama Museum of Natural History Bulletin 31(1):46–71. [pdf]
- Ikejiri, T.* 2012. Histology-based morphology of the neurocentral synchondrosis in Alligator mississippiensis (Archosauria, Crocodylia). Anatomical Record 295:18–31. [pdf]
- Wilson, J.A., M.D. D’Emic, T. Ikejiri, E.M. Moacdieh, and J.A. Whitlock. 2011. A nomenclature for vertebral fossae in sauropods and other saurischian dinosaurs. PLOS ONE Biology 6(2):e17114.
- Balanoff, A., G.S. Bever, and T. Ikejiri. 2010. Endocast morphology of Apatosaurus (Dinosauria: Sauropoda) based on computed tomography of a previously undescribed braincase with comments on variation and evolution in sauropod neuroanatomy. American Museum Novitates 3677:1–29. [additional CT data]
- Ikejiri, T. 2008. Slender and robust morphs of Camarasaurus (Dinosauria, Sauropoda)
- from the Morrison Formation (Late Jurassic) of the Rocky Mountain Region and Its Implications for possible sexual dimorphism. In G. H. Farley and J. R. Choate (eds.), Unlocking the Unknown: Papers honoring Dr. Richard J. Zakrzewski. Fort Hays Special Studies number 2. Fort Hays State University, Hays, Kansas:31–44. [pdf]
- Schwarz, D., T. Ikejiri, B. Breithaup, N. Klein, and P.M. Sander. 2007. A nearly complete skeleton of an early juvenile diplodocid (Dinosauria: Sauropoda) from the Lower Morrison Formation (Late Jurassic) of north central Wyoming and its implications for early ontogeny and pneumaticity in sauropods. Historical Biology 19:225–253. [pdf]
- Ikejiri, T.*, P. Watkins, and D. Gray. 2006. Stratigraphy, sedimentology, and taphonomy of a sauropod quarry from the upper Morrison Formation of Thermopolis, central Wyoming. New Mexico Museum of Nature and Science Bulletin 36 (Paleontology and Geology of the Upper Jurassic Morrison Formation; J.R. Foster and S. G. Lucas (eds.):39–46. [pdf]
- Ikejiri, T. 2005. Distribution and biochronology of Camarasaurus (Dinosauria, Sauropoda) from the Morrison Formation of the Rocky Mountain region. In Lucas, S.G., K. Zeigler, V. Lueth, and D.E. Owen (eds.), 56th Field Conference Guidebook, Geology of the Chama Basin. New Mexico Geological Society, Albuquerque:389–394. [pdf]
- Lucas, S.G., T. Ikejiri, H. Maish, T. Joyce, and G.L. Gianniny. 2005. New record of the mosasaur Prognathodon from the Upper Cretaceous of Colorado and the distribution of the genus in North America. In S.G. Lucas, K. Zeigler, V. Lueth, and D.E. Owen (eds.), 56th Field Conference Guidebook, Geology of the Chama Basin. New Mexico Geological Society, Albuquerque:367–379. [pdf]
- Ikejiri, T.*, V. Tidwell, and D.L. Trexler. 2005. New adult specimens of Camarasaurus lentus highlight ontogenetic variation within the species. In V. Tidwell, and K. Carpenter (eds.), Thunder-Lizards: the Sauropodomorph Dinosaurs. Indiana University Press, Bloomington:154–179.
Non-Peer Reviewed Articles
- Ikejiri, T. 2015. 竜脚類の起源と進化 (The origin and early evolution of sauropods (in Japanese)). In The Official Guidebook of Dinosaur Exhibition in Makuhari, Japan–Summer 2015.
- Ikejiri, T. 2009. ティタノサウルス系類の起源と進化 (Evolution of titanosaur sauropods, basal sauropods, etc. (in Japanese)). In The Official Guidebook of Dinosaur Exhibition in Makuhari, Japan–Summer 2009. [pdf]
- Ikejiri, T. 2008. ブラキオサウルスとジョバリア (Brachiosaurus and Jobaria (in Japanese)). In K. Kobayashi and R. Hirayama (eds), Kyo-ryu no fukugen (Reconstruction of Dinosaurs (in Japanese)). Gakken, Tokyo. [pdf]
- Ikejiri, T. 2006. 巨大恐竜の謎にせまる (A mystery of gigantic sauropods (in Japanese)). National Geographic (Japanese edition) in August:94–101. [pdf]
- Ikejiri, T. 2006. 竜脚類の性差の識別は果たして可能か?(Sexual dimorphism of sauropods: How can we distinguish male and female Camarasaurus? (in Japanese)). A guidebook for the Dinosaur Exhibition in Makuhari, Japan in the summer of 2006. [pdf]
- Ikejiri, T. 2006. 巨大竜脚類の成長 (Growth of gigantic sauropods (in Japanese)). In Y. Kobayashi (ed.), NHK2006恐竜の夏 徹底ガイド超最新・恐竜ワールド (New Studies of Dinosaur World). NHK (Japan Broadcast Company) Publishing, Tokyo:36–39. [pdf]
Presented Papers (abstracts published):
- Chen, Jian, YueHan Lu, T. Ikejiri, Yonge Sun, N, Hogancamp, MM McGlue. 2020. Changes of Microbial Communities in Response to Marine Environmental Volatility through the Late Devonian Mass Extinctions. American Geological Union Fall Meeting 2020 (online).
- Comans, C.M., T Ikejiri, & Y Lu. 2020. DIET SELECTIVITY FOR LATE CRETACEOUS HYBODONTIFORMES AND LAMNIFORMES SHARK EXTINCTION IN NORTHERN GULF OF MEXICO. Geological Society of America Annumal Meeting (online).
- Lu, M., Y Lu, T Ikejiri, Y Sun, X Wang, D Sun, R Carroll. 2019. Geochemical Evidence of Cyclic Marine Anoxia in Response to Astronomical Forcing during the end-Frasnian (Late Devonian) Mass Extinctions. AGU Fall Meeting Abstracts 2019, PP54A-08.
- Lu, M., Y. Lu, T. Ikejiri, I. Çemen, Jack Pashin, and Nicholas Hogancamp. 2016. Can biomarkers in Chattanooga Shale (Late Devonian) show evidence of the very early land forest in the southern Appalachian basin? Goldschmidt 2016, Yokohama, Japan, 26 June-01 July 2016. Goldschmidt Conference Abstracts, p. 1899.
- Lu, M., Y. Lu, T. Ikejiri, and I. Çemenm 2015. Reconstructing depositional environments of the Devonian Chattanooga Shale in northeastern Alabama using sedimentological and geochemical analyses. 2015 2nd Annual Southeastern Biogeochemistry Symposium, Atlanta, GA, USA, 28-29 March, 2015. Abstract book, p. 28.
- Lu, M., Y. Lu, T. Ikejiri, and I. Çemen. 2015. Sedimentological and Geochemical Characterizations Reveal a Major Shift in Depositional Environments of the Devonian Chattanooga Shale in northeastern Alabama. 2015 Southeastern Section-64th Annual Meeting, Chattanooga, TN, USA, 19-20 March, 2015. GSA Abstract with Programs, Vol. 47, No. 2, p. 84.
- Çemen, I., et al. 2015. Determining facies and elements of productivity in the Devonian Chattanooga Shale in Alabama and Tennessee. Geological Society of America SE Regional Meeting 47(2) ABSTRACT.
- Lu, M, et al. 2015. Sedimentological and geochemical characterization reveal a major shift in depositional environments of the Devonian Chattanooga Shale in northeastern Alabama. Geological Society of America SE Regional Meeting 47(2) ABSTRACT.
- Lu, Y., et al. 2015. Managing dissolved organic matter in impacted streams and rivers: challenges and future research directions. Geological Society of America SE Regional Meeting 47(2) ABSTRACT.
- Lu, M., Lu, Y., Ikejiri, T., and I. Çemen (2014) Carbon Sources and Depositional Environments of the Devonian Chattanooga Shale in northeastern Alabama. 2014 American Geophysical Union Fall Meeting, San Francisco, CA, USA, 15-19 December, 2014. Abstract B21E-0097.
- Ikejiri, T. 2013. Biostratigraphic distributions of Alabama mosasaurs highlighting patterns and processes of the Cretaceous-Paleogene extinction. At May 2013, The 4th Mosasaur Meeting in Dallas, Texas.
- Wilson, J. A., M. D. D’Emic, T. Ikejiri, E. M. Moacdieh, and J. A. Whitlock. 2010. A nomenclature for vertebral fossae in sauropods and other saurischian dinosaurs. Journal of Vertebrate Paleontology 30, Supplement to no. 3.
- Ikejiri, T. 2007. Ontogenetic and intracolumnar variation in the complexity of the neurocentral suture in dwarf and large crocodilian species. Journal of Vertebrate Paleontology 27, Supplement to no. 3:93–94A.
- Ikejiri, T. 2005. Sequence of fusion in vertebral elements as a possible ontogenetic indicator in crocodilians. Joint Meeting of the American Societies of Ichthyologists and Herpetologists in Tampa, Florida during July 6–11 2005: p. 240.
- Ikejiri, T. 2005. Sexual dimorphism of Camarasaurus (Dinosauria, Sauropoda) from the Jurassic Morrison Formation of North America. Second Latin American Congresses of Vertebrate Paleontology in Rio de Janeiro during July 10-12 2005:p. 137–138.
- Ikejiri, T., D. Schwarz, and B.H. Breithaupt. 2005. A nearly complete skeleton of a baby sauropod from the lower Morrison Formation of the Howe Ranch Wyoming: “Little steps” into diplodocid ontogeny and taxonomy”. Journal of Vertebrate Paleontology 25, Supplement to no. 3:73A.
- Balanoff, A., T. Ikejiri, and G.S. Bever. 2005. The endocranial morphology of diplodocid sauropods. Journal of Vertebrate Paleontology 25, Supplement to no. 3:33–34A.
- Watkins, P.S., D.J. Gray, T. Ikejiri, and B. Pohl. 2005. Warm Springs Ranch dinosaur quarries from the upper Morrison Formation of north central Wyoming. Journal of Vertebrate Paleontology 25, Supplement to no. 3:128A.
- Ikejiri, T. 2004. Relative growth and timing of ontogenetic changes in Camarasaurus (Dinosauria, Sauropoda). Journal of Vertebrate Paleontology, v. 24, Supplement to no. 3: 74A.
- Ikejiri, T., and S.G. Lucas. 2004. A new look at the tooth morphology and distribution of Mosasaurus conodon in North America. At May 8–12 2004, 1st Mosasaur Meeting in Maastricht, Netherlands.
- Ikejiri, T. 2003. Scale morphology in the monitor lizard (Squamata: Varanus albigularis) using scanning electron microscopy. In April 11-12 2003, 135th Annual Meeting of the Kansas Academy of Science Meeting, Pittsburg 122:31.
- Ikejiri, T. 2003. Sequence of closure of neurocentral sutures in Camarasaurus (Sauropoda) and implications for phylogeny in Reptilia. Journal of Vertebrate Paleontology 23, Supplement to no. 3:65A [PDF].
- Ikejiri, T. 2002. A new spcies of Mosasaurus (Reptilia, Squamata) from South Dakota. In April 12-13, 2002, 134th Annual Meeting Kansas Academy of Science 121:30.
- Ikejiri, T. 2002. Morphology of a new species of Mosasaurus (Reptilia: Squamata) from South Dakota. Journal of Vertebrate Paleontology 22, Supplement to no. 3:69A.
- Ikejiri, T. 2002. Biostratigraphic and geographic distribution of Camarasaurus (Dinosauria, Sauropoda) from the Morrison Formation. Geological Society of America, Abstract with programs 34(6):425.
- Ikejiri, T., and H.R. Richards III. 2001. Reexamination of Camarasaurus supremus at the American Museum of Natural History. In April 6–7 2001, 133rd Annual Meeting Kansas Academy of Science l20:37.
- Ikejiri, T. and G.S. Bever. 2000. Sexual dimorphism in Camarasaurus. In March 31–April 1 2000, 132nd Annual Meeting, Kansas Academy of Science l19:21.
- Martz, W.J., J. P. VonLoh, and T. Ikejiri. 1999. The biostratigraphic and taxonomic distribution of Colorado mosasaurs. Journal of Vertebrate Paleontology 19, Supplement to no. 3:62A.
- Ikejiri, T. and S.G. Lucas. 1999. The mosasaur Tylosaurus in the Pierre Shale of southeastern Colorado. Journal of Vertebrate Paleontology 19, Supplement to no.3:54A.
Unpublished Abstracts (for conferences):
- Ikejiri, T. 2005. Sexual dimorphism of Camarasaurus (Sauropoda) from the Jurassic Morrison Formation of North America. Dinosaur Park Symposium, at Royal Tyrell Museum, during September 24–25, 2005.
- Ikejiri, T. 2005. Ontogenetic changes of Camarasaurus and its implications for sauropod growth. Paleobiology of Sauropods, in Aathal, Switzerland during April 18–19 2005.
- Ikejiri, T. 2004. Tooth morphology and species determination in North American Mosasaurus. At May 8–12 2004, 1st Mosasaur Meeting in Maastricht, Netherlands.
- Lucas, S.G. and T. Ikejiri. 2004. New record of the mosasaur Prognathodon from the Upper Cretaceous of Colorado and the distribution of the genus in North America. At May 8–12 2004, 1st Mosasaur Meeting in Maastricht, Netherlands.
Web articles
- "北米アラバマよりー生物40億年のメッセージ': Essays on general paleontology (in Japanese) in 'The Page in Yahoo JAPAN' (since October 2016); see back numbers in here.