Nancy Stevens, Ph.D.
Assistant Professor Functional Morphology & Vertebrate Paleontology
Department of Biomedical Sciences
Patient Centered Continuum (PCC) Director
stevensn@ohio.edu
133 Life Sciences Building
740-597-2785
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DEPT. OF BIOMEDICAL SCIENCES
DEPT. OF BIOLOGICAL SCIENCES
EDISON BIOTECHNOLOGY INSTITUTE
COLLEGE OF OSTEOPATHIC MEDICINE
 
 

Publications

2009. NJ Stevens, EM Roberts, PM O’Connor, MD Gottfried. Rukwalorax jinokitana (n. gen., n. sp.) (Mammalia: Hyracoidea) from the late Oligocene Rukwa Rift Basin, Tanzania. Journal of Vertebrate Paleontology. 29(3): 972-975.

2009. MD Gottfried, NJ Stevens, PM O’Connor, EM Roberts, R Chami. A new Cretaceous lungfish (Dipnoi, Ceratodontidae) from the Rukwa Rift Basin, Tanzania. African Natural History. 5:31-36.

2009. PA Holroyd and NJ Stevens. Differentiation of Phiomys andrewsi from Lavocatomys aequatorialis (n. gen., n. sp.) (Rodentia:Thryonomyoidea) in the Oligo-Miocene interval on continental Africa. Journal of Vertebrate Paleontology. 29(4):1331-1334.

2009. S Johnson, J  Ratsimbazafy, NJ Stevens, H Andriamaharoa, S Martin, F Ralainasolo. Gray-headed lemur Eulemur cinereiceps (Milne-Edwards and Grandidier, 1880). In: R. A. Mittermeier et al., Primates in Peril: The World’s 25 Most Endangered Primates 2008–2010, pp.15-17. IUCN/SSC Primate Specialist Group, International Primatological Society (IPS), and Conservation International (CI), Arlington, VA.

2009. NJ Stevens, PA Holroyd, EM Roberts, PM O’Connor, MD Gottfried. Kahawamys mbeyaensis (n. gen., n. sp.) (Rodentia: Thryonomyoidea) from the late Oligocene Rukwa Rift Basin, Tanzania. Journal of Vertebrate Paleontology. 29(2): 631-634.

2008. F Ralainasolo, JH Ratsimbazafy, and NJ Stevens. Behavioural study and diet of Eulemur cinereiceps in Manombo forest, southeastern Madagascar. Madagascar Conservation and Development. 3: 54-59.

2008. KA Wright, NJ Stevens, HH Covert and T Nadler. Hanging around: a comparison of suspensory postures in langurs and gibbons at the Endangered Primate Research Center, Cuc Phuong National Park, Vietnam. International Journal of Primatology.

2008. NJ Stevens and K. Carlson. Bridging the gaps between experimental and naturalistic approaches to the study of primate behavior. International Journal of Primatology.

2008. NJ Stevens, KA Wright, HH Covert and T Nadler. Tail postures of four quadrupedal leaf monkeys (Pygathrix nemaeus, P. cinerea, Trachypithecus delacouri and T. hatinhensis) at the Endangered Primate Rescue Center, Cuc Phuong National Park, Vietnam. Vietnam Journal of Primatology. 2: 13-24.

2008. AS Schulp, M Al-Wosabi, NJ Stevens. First dinosaur tracks from the Arabian Peninsula. Public Library of Science – ONE http://www.plosone.org/article/info:doi%2F10.1371%2Fjournal.pone.0002243

2008. NJ Stevens. The effects of branch diameter on primate gait sequence pattern. American Journal of Primatology. 70(4): 356-362.

2008. NJ Stevens, MD Gottfried, EM Roberts, S Ngasala, S Kapilima, PM O’Connor. Paleontological exploration of Africa: A view from the Rukwa Rift Basin of Tanzania. In: Elwyn Simons, A Search for Origins, Developments in Primatology: Progress and Prospects. pp 159-180.

2008. AR Al-Sayigh, S Nasir, AS Schulp, NJ Stevens. The first described Arsinoitherium from the Eocene Aydim Formation of Oman: Biogeographic implications. Paleoworld. 17:41-46.

2007. RM Feldmann, PM O’Connor, NJ Stevens, MD Gottfried, EM Roberts, S Ngasala, EL Rasmusson, S Kapilima. A new freshwater crab (Decapod: Potamonautidae) from the Paleogene of Tanzania, Africa. Neues Jahrbuch fur Geologie und Palaontologie. Vol. 8:71-78.

2007. J Young, BA Patel, NJ Stevens. Body mass distribution and gait sequence pattern in fat-tailed dwarf lemurs (Cheirogaleus medius) and patas monkeys (Erythrocebus patas). Journal of Human Evolution. 53(1):26-40.

2007. JA Hancock, NJ Stevens, AR Biknevicius. The whole-body mechanics and kinematics of terrestrial locomotion in the elegant-crested tinamou (Eudromia elegans). Ibis. 149(3): 605-614.

2007. KAI Nekaris, NJ Stevens. Not all lorises are slow: rapid arboreal quadrupedalism in the newly recognized red slender loris (Loris tardigradus tardigradus) of Sri Lanka. American Journal of Primatology. 69(1):112-120.

2006. NJ Stevens. Stability, limb coordination and substrate type: the ecorelevance of gait sequence pattern in primates. Journal of Experimental Zoology. 305A(11):953-963.

2006. NJ Stevens, CP Heesy. Malagasy primate origins: Fossils, phylogenies and biogeographic reconstructions. Folia Primatologica. 77(6):419-431.

2006. NJ Stevens, PM O’Connor. Abiotic and Biotic Factors as Predictors of Primate Species Richness in Madagascar. In: Primate Biogeography. eds: JG Fleagle and S Lehman. pp 269-300.

2006. CP Heesy, NJ Stevens, K Samonds. Biogeographic origins of primate higher taxa. In: Primate Biogeography. eds: JG Fleagle and S Lehman. pp 419-438.

2006. PM O’Connor, MD Gottfried, NJ Stevens, EM Roberts, S Kapilima. A Cretaceous fauna from Southwestern Tanzania. Journal of African Earth Sciences. 44:277-288.

2006. NJ Stevens. Animal Locomotion. American Journal of Physical Anthropology. 129:639-640.

2006. NJ Stevens, PM O’Connor, EM Roberts, MD Gottfried, S Ngasala, S Kapilima. Metaphiomys from the Paleogene of Southwestern Tanzania. Journal of Paleontology. 80(2):407-410.

2006. NJ Stevens, DO Schmitt, T Cole, L-K Chan. Technical note: Out-of-plane angular correction based on a trigonometric function for use in kinematic studies. American Journal of Physical Anthropology. 129:399-402.

2005. NJ Stevens, PM O’Connor, EM Roberts, MD Gottfried, S Ngasala. An anthropoid primate humerus from the Paleogene of sub-Saharan Africa. Journal of Vertebrate Paleontology. 25(4): 986-989.

2005. PM O'Connor, MD Gottfried, EM Roberts, S Ngasala, NJ Stevens, S Kapilima, R Chami. New Cretaceous vertebrate fossil discoveries from the Red Sandstone Group, Rukwa Rift Basin, southwestern Tanzania. East African Rift System (EAR05): Geodynamics, environment, resources & sustainable development Vol. 1:82-84.

2005. EM Roberts, S Ngasala, S Kapilima, PM O'Connor, MD Gottfried, NJ Stevens, R Chami. Stratigraphic and sedimentological analysis of the Red Sandstone Group in the Songwe Valley, Mbeya District. East African Rift System (EAR05): Geodynamics, environment, resources & sustainable development 1:87-90.

2004. EM Roberts, PM O’Connor, MD Gottfried, NJ Stevens, S Kapilima, S Ngasala. A new age assessment for the Red Sandstone Group in the Songwe Valley, Tanzania. Cretaceous Research.

2003. NJ Stevens. The influence of substrate size, orientation and compliance upon prosimian arboreal quadrupedalism. Ph.D. dissertation, State University of New York at Stony Brook. 534pp.

2001. Grine, FE, NJ Stevens, WL Jungers. Evaluation of dental radiograph accuracy in the measurement of enamel thickness. Archives of Oral Biology. 46:1117-1125.

2000. Robbins, LH, ML Murphy, GA Brook, AH Ivester, AC Campbell, RG Klein, AS Brooks, J Kokis, KA Haberyan, R Milo, KM Stewart, DG Matthiesen, AJ Winkler, NJ Stevens. Archaeology, Paleoenvironment and Chronology of the Tsodilo Hills White Paintings Rock Shelter: Northwest Kalahari Desert, Botswana. Journal of Archaeological Science. 27(11): 1085-1113.

1996. Robbins, LH, ML Murphy, NJ Stevens, GA Brook, AH Ivester, KA Winkler, Haberyan, RG Klein, R Milo, KM Stewart, DG Matthiesen, AJ Winkler. Paleoenvironment and Archaeology of Drotsky’s Cave: Western Kalahari Desert, Botswana. Journal of Archaeological Science. 23(1): 7-22.

1991. Stewart, K, NJ Stevens, LH Robbins. Fish and reptiles from the Tsodilo Hills White Paintings rock shelter, Botswana. Nyame Akuma, (Bulletin of the society of Africanist Archaeologists). 35: 11-17.

  
   
Research Presentations / Abstracts

2009. EM Roberts, PM O’Connor, NJ Stevens, MD Gottfried, S Ngasala. Reconstructing Cretaceous and Paleogene Paleoenvironments and drainage patterns of Central Africa.  Geological Society of America Abstracts with Programs. 41(7): 243.

2009. NJ Stevens, MD Gottfried, PM O’Connor, EM Roberts, S Ngasala. Vertebrates from newly discovered lacustrine localities in the late Oligocene Nsungwe Formation, Rukwa Rift Basin, Tanzania. J. Vert. Paleo. 29(S3): 158A.

2009. S Odunze, NJ Stevens, LN Cooper, GC Obi, and J Eastman. Paleocene ichthyofauna and paleoenvironmental setting, Imo Formation, southestern Nigeria. J. Vert. Paleo. 29(S3): 185A.

2009. NJ Stevens, PM O’Connor, EM Roberts, MD Gottfried, J Temba. New primate fossils from the late Oligocene Rukwa Rift Basin of Tanzania. Am. J. Phys. Anthropol. 138(s48): 247-248.

2008. NJ Stevens. An emerging late Oligocene rodent fauna from the Nsungwe Formation, Rukwa Rift Basin, Tanzania. J. Vert. Paleo. 28(S3): 147A.

2008. VFH Simons, NJ Stevens. Limb and contact structure morphometrics in extant anurans: implications for interpreting fossil frog locomotor morphology. J. Vert. Paleo. 28(S3): 143A.

2008. PM O’Connor, J Sertich, NJ Stevens, MD Gottfried, EM Roberts. The evolution of mammal-like crocodyliforms (Crocodyliformes: Notosuchia) in Gondwana: New evidence from the middle Cretaceous Galula Formation, Rukwa Rift Basin, Southwestern Tanzania. J. Vert. Paleo. 28(S3): 122A.

2008. PM O’Connor, NJ Stevens, JJW Sertich, EM Roberts, MD Gottfried, TL Hieronymus, J Temba, ZA Jinnah. A notosuchian crocodyliform from the Galula Formation, Red Sandstone Group (middle Cretaceous) of southwestern Tanzania. The Third Annual Latin American Congress of Vertebrate Paleontology, Neuquén, Argentina.

2008. NJ Stevens. Linking in-situ and ex-situ approaches for studying primate locomotor responses to support stability. International Primate Congress VIII.

2008. FB Ralainsolo, JH Ratsimbazafy, NJ Stevens. Consumption of fall-back foods by Eulemur albocollaris at Manombo Forest, SE Madagascar. International Primate Congress VIII.

2008. NJ Stevens, AS Schulp, M. Wosabi. The Yemen Paleontology Project: Borderless Paleontology. Abs. 9th Cong. Geol. Arab World.

2008. M. Wosabi, AS Schulp, NJ Stevens. Dinosaur ichnosites: Evidence from Yemen. Abs. 9th Cong. Geol. Arab World.

2007. NJ Stevens, S Ngasala, MD Gottfried, PM O’Connor, EM Roberts. A hyracoid from the Rukwa Rift Basin, Paleogene of Tanzania. J. Vert. Paleo.

2007. EM Roberts, PM O’Connor, TL Hieronymus, MD Gottfried, NJ Stevens. Taphonomy of two Cretaceous dinosaur quarries, Tanzania, Africa: New insights into regional paleoclimate, paleoenvironments and paleobiogeography. J. Vert. Paleo.

2007. AS Schulp, M Al-Wosabi, NJ Stevens. The first dinosaur tracks from the Arabian Peninsula. J. Vert. Paleo.

2007. MD Gottfried, NJ Stevens, PM O’Connor, EM Roberts, S Ngasala. A new fossil record for the African lungfish Protopterus from the Paleogene of Tanzania. J. Vert. Paleo.

2007. EM Roberts, PM O’Connor, RA Armstrong, NJ Stevens, MD Gottfried. U-Pb geochronology of detrital zircons from the Rukwa Rift Basin of Tanzania: New data on the pre-Neogene tectonic and sedimentary evolution of the western branch of the East African Rift System. Geol.

2007. EM Roberts, RA Armstrong, PM O’Connor, NJ Stevens, MD Gottfried. Late Mesozoic and early Tertiary sedimentary and tectonic evolution of the Rukwa Rift Basin: The 6th PESGB/HGS African Conference—Africa’s Petroleum Systems: From Outcrop to Deepwater, p. 45.

2007. EM Roberts, PM O’Connor, NJ Stevens, MD Gottfried. New Cretaceous and Palaeogene vertebrates from the East African Rift, Tanzania: stratigraphic, tectonic, and palaeobiogeographic implications: 14th Biennial Palaeontological Society of South Africa Annual Meeting Abstracts, p. 20.

2007. VFH Simons, NJ Stevens. Functional Implications of the locomotor morphology of Paleogene (~Oligocene) African anurans. J. Morph.

2007. KA Wright, CA Ruff, NJ Stevens, HH Covert, T Nadler. Long bone articular and diaphyseal structure in douc langurs: evidence of suspensory adaptations. Am. J. Phys. Anthropol.

2007. KA Wright, NJ Stevens, DN Thanh, HH Covert, T Nadler. Arboreal and terrestrial substrate use by the endangered limestone langurs of Vietnam. Int. Comp. Biol.

2006. NJ Stevens, S Ngasala, MD Gottfried, PM O’Connor, EM Roberts. Macroscelideans from the Oligocene of southwestern Tanzania. J. Vert. Paleo. 26(3): 128A.

2006. NJ Stevens, K Carlson. Bridging the gaps between experimental and naturalistic approaches in the study of primate behavior. Int. J. Primatol.

2006. NJ Stevens, JH Ratsimbazafy, KAI Nekaris. Keeping the balance: Use of kinematic techniques in the natural setting to examine strepsirhine arboreality. Int. J. Primatol.

2006. KA Wright, NJ Stevens, HH Covert and T Nadler. Hanging around: a comparison of suspensory postures in langurs and gibbons at the Endangered Primate Research Center, Cuc Phuong National Park, Vietnam. Int. J. Primatol.

2006. NJ Stevens, KA Wright, HH Covert, T Nadler. Tail posture during arboreal quadrupedalism in four species of leaf monkeys at the Endangered Primate Research Center, Cuc Phuong National Park, Vietnam. Am. J. Phys. Anthropol. 129(S42)

2006. NJ Stevens, KA Wright, HH Covert, T Nadler. A comparison of vertebral kinematics of Hatinh and Delacour's langurs in the Cuc Phuong National Park of Vietnam. Int. Comp. Biol. Abs.

2006. BW Wright, NJ Stevens, L Ulibarri, J O’Brien, HH Covert, T Nadler. Relationships between leaf toughness and food processing behavior among four Vietnam leaf monkeys. Int. Comp. Biol. Abs.

2005. NJ Stevens, PM O’Connor, MD Gottfried, EM Roberts, S Ngasala, S Kapilima. New Paleogene mammals and other vertebrates from the Rukwa Rift Basin, Tanzania. J. Vert. Paleo. 25: 118A.

2005. PM O’Connor, MD Gottfried, EM Roberts, NJ Stevens, S Ngasala. New dinosaurs and other vertebrate fossils from the Cretaceous Red Sandstone Group, Rukwa Rift Basin, southwestern Tanzania. J. Vert. Paleo. 25:97A.

2005. MD Gottfried, PM O'Connor, EM Roberts, NJ Stevens, R Chami. First Cretaceous lungfish from Tanzania: ceratodontid from the Rukwa Rift Basin. J. Vert. Paleo. 25:65A.

2005. KAI Nekaris, NJ Stevens. All lorises are not slow: Rapid arboreal locomotion in the newly recognized red slender loris (Loris tardigradus tardigradus) of southwestern Sri Lanka. 2005 Am. J. Phys. Anthropol. 40:156.

2005. JA Hancock, AR Biknevicius, SM Reilly, NJ Stevens. Head bobbing and terrestrial locomotion in Tinamous (Eudromia elegans). Int. Comp. Biol. Abs. 2005.

2004. NJ Stevens, PM O’Connor, MD Gottfried, EM Roberts, SD Kapilema. A new Paleogene fauna from the East African Rift, southwestern Tanzania. J. Vert. Paleo. 24(3):118A.

2004. JA Holman, NJ Stevens, MD Gottfried, PM O’Connor, EM Roberts. An enigmatic neobatrachian from the Paleogene of southwestern Tanzania. J. Vert. Paleo. 24(3):71A.

2004. NJ Stevens, CP Heesy. Malagasy faunal origins: Reliability of biogeographic reconstructions for determining the area of origin of island taxa. Cong. Int. Primatol. Soc. Abs. 2004.

2004. NJ Stevens Stability, substrate characteristics, and limb coordination: the ecological relevance of gait. J. Morph. 260(3):331.

2004. Hancock, JA, AR Biknevicius, KD Earls, NJ Stevens, SM Reilly. “Groucho Running” in Tinamous. J. Morph. 260(3):297.

2004. NJ Stevens Influence of support type upon stride duration and duty factor during primate arboreal quadrupedalism. Am. J. Phys. Anthropol. 38:188.

2003. O’Connor, PM, MD Gottfried, EM Roberts, NJ Stevens, FD Jackson, EL Rasmusson. Closing the African Gap: A new Cretaceous vertebrate fauna from Tanzania. J. Vert. Paleo. 84A.

2003. NJ Stevens. Does branch stability influence quadrupedal locomotion in prosimian primates? Am. J. Phys. Anthropol. Suppl. 36:200-201.

2003. Biknevicius AR, NJ Stevens. Differential function of trailing and leading limbs in galloping dogs. Int. Comp. Biol. Abs. 2003:117.

2003. Lammers, AR, AJ Parchman, KD Earls, AR Biknevicius, SM Reilly, NJ Stevens. The effects of incline on limb forces in a quadrupedal mammal. Int. Comp. Biol. Abs. 2003:220-221.

2002. NJ Stevens, CP Heesy. Effects of substrate orientation on inclination of the orbital plane in Loris tardigradus. Int. Comp. Biol. Abs. 2002.

2002. NJ Stevens, Effects of branch orientation on arboreal quadrupedalism in the slender loris. Am. J. Phys. Anthropol. Suppl. 34: 148. 		 
   

Pedagogical Presentations

2009. NJ Stevens, J Temba, P Msemwa, S Ngasala. Science outreach to the African Child. Including Children Conference, Institute for the African Child.

2005. NJ Stevens and D Thomas. Strategies for problem based learning in the Patient Centered Continuum, OUCOM. 2005 Ohio University Spotlight on Learning.

2004. NJ Stevens, D Thomas, E Godfried, R Godfried, E Rowland, W Duerfeldt, M Grijalva, L Witmer, P O’Connor, M Berryman, J Edinger, P Dane, J Brose. Active Learning Best Practices in the Patient Centered Continuum. 2004 AACOM Meetings, Washington, DC.

2004. J Edinger, P Dane, B Biegalke, S Carter, N Stevens, D Thomas. A curricular choice. 2004 AACOM Meetings, Washington, DC.

2003. P Dane, J Edinger and NJ Stevens. Problem-based learning: How can I engage students in MY course? 2003 Ohio University Spotlight on Learning.

  
   
   
  Ohio University
College of Osteopathic Medicine
Irvine Hall, Athens, Ohio 45701
740-593-2530 740-597-2778 fax 
Last updated: 01/27/2010