Timothy Michael Ryan

    • 2035 Citations
    • 27 h-Index
    19992020

    Research output per year

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    Research Output

    2007

    A remarkable female cranium of the early Oligocene anthropoid Aegyptopithecus zeuxis (Catarrhini, Propliopithecidae)

    Simons, E. L., Seiffert, E. R., Ryan, T. M. & Attia, Y., May 22 2007, In : Proceedings of the National Academy of Sciences of the United States of America. 104, 21, p. 8731-8736 6 p.

    Research output: Contribution to journalArticle

    39 Scopus citations

    Microstructure of trabecular bone in a mouse model for down syndrome

    Parsons, T., Ryan, T. M., Reeves, R. H. & Richtsmeier, J. T., Apr 1 2007, In : Anatomical Record. 290, 4, p. 414-421 8 p.

    Research output: Contribution to journalArticle

    15 Scopus citations

    New remains of eocene and oligocene afrosoricida (Afrotheria) from Egypt, with implications for the origin(s) of afrosoricid zalambdodonty

    Seiffert, E. R., Simons, E. L., Ryan, T. M., Bown, T. M. & Attia, Y., Dec 12 2007, In : Journal of Vertebrate Paleontology. 27, 4, p. 963-972 10 p.

    Research output: Contribution to journalArticle

    28 Scopus citations

    The primate semicircular canal system and locomotion

    Spoor, F., Garland, T., Krovitz, G., Ryan, T. M., Silcox, M. T. & Walker, A., Jun 26 2007, In : Proceedings of the National Academy of Sciences of the United States of America. 104, 26, p. 10808-10812 5 p.

    Research output: Contribution to journalArticle

    180 Scopus citations
    2006

    Cross-sectional bone distribution in the mandibles of gouging and non-gouging platyrrhini

    Vinyard, C. J. & Ryan, T. M., Oct 1 2006, In : International Journal of Primatology. 27, 5, p. 1461-1490 30 p.

    Research output: Contribution to journalArticle

    23 Scopus citations
    20 Scopus citations

    Preliminary observations on the calcaneal trabecular microarchitecture of extant large-bodied hominoids

    Maga, M., Kappelman, J., Ryan, T. M. & Ketcham, R. A., Mar 1 2006, In : American Journal of Physical Anthropology. 129, 3, p. 410-417 8 p.

    Research output: Contribution to journalArticle

    59 Scopus citations

    Trabecular bone ontogeny in the human proximal femur

    Ryan, T. M. & Krovitz, G. E., Jan 1 2006, In : Journal of Human Evolution. 51, 6, p. 591-602 12 p.

    Research output: Contribution to journalArticle

    91 Scopus citations
    2005

    Additional remains of Wadilemur elegans, a primitive stem galagid from the late Eocene of Egypt

    Seiffert, E. R., Simons, E. L., Ryan, T. M. & Attia, Y., Aug 9 2005, In : Proceedings of the National Academy of Sciences of the United States of America. 102, 32, p. 11396-11401 6 p.

    Research output: Contribution to journalArticle

    46 Scopus citations

    Angular orientation of trabecular bone in the femoral head and its relationship to hip joint loads in leaping primates

    Ryan, T. M. & Ketcham, R. A., Sep 1 2005, In : Journal of Morphology. 265, 3, p. 249-263 15 p.

    Research output: Contribution to journalArticle

    55 Scopus citations
    44 Scopus citations
    2004

    Quantification and visualization of anisotropy in trabecular bone

    Ketcham, R. A. & Ryan, T. M., Feb 1 2004, In : Journal of Microscopy. 213, 2, p. 158-171 14 p.

    Research output: Contribution to journalArticle

    118 Scopus citations
    2003

    Oligocene mammals from Ethiopia and faunal exchange between Afro-Arabia and Eurasia

    Kappelman, J., Rasmussen, D. T., Sanders, W. J., Feseha, M., Bown, T., Copeland, P., Crabaugh, J., Fleagle, J., Glantz, M., Gordon, A., Jacobs, B., Maga, M., Muldoon, K., Pan, A., Pyne, L., Richmond, B., Ryan, T., Seiffert, E. R., Sen, S., Todd, L. & 2 others, Wiemann, M. C. & Winkler, A., Dec 4 2003, In : Nature. 426, 6966, p. 549-552 4 p.

    Research output: Contribution to journalArticle

    95 Scopus citations
    2002

    Assessing the accuracy of high-resolution X-ray computed tomography of primate trabecular bone by comparisons with histological sections

    Fajardo, R. J., Ryan, T. M. & Kappelman, J., Apr 27 2002, In : American Journal of Physical Anthropology. 118, 1, p. 1-10 10 p.

    Research output: Contribution to journalArticle

    94 Scopus citations

    Femoral head trabecular bone structure in two omomyid primates

    Ryan, T. M. & Ketcham, R. A., Jan 1 2002, In : Journal of Human Evolution. 43, 2, p. 241-263 23 p.

    Research output: Contribution to journalArticle

    76 Scopus citations

    The three-dimensional structure of trabecular bone in the femoral head of strepsirrhine primates

    Ryan, T. M. & Ketcham, R. A., Jan 1 2002, In : Journal of Human Evolution. 43, 1, p. 1-26 26 p.

    Research output: Contribution to journalArticle

    101 Scopus citations
    1999

    e-Skeletons®: The digital library as a platform for studying anatomical form and function

    Kappelman, J., Ryan, T. & Zylstra, M., Sep 1 1999, In : D-Lib Magazine. 5, 9, p. 5-16 12 p.

    Research output: Contribution to journalReview article