Publications by:
Nancy J. Stevens
Also publishes as (Nancy Stevens, N.J. Stevens)
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Orr, Theresa J., Roberts, Eric M., Bird, Michael I., Mtelela, Cassy, O'Connor, Patrick M., and Stevens, Nancy J. (2023) Paleosol-derived paleoclimate and paleoenvironment reconstruction of the Rukwa Rift Basin, Tanzania: implications for faunal dispersal in the Miocene–Pliocene. Journal of Sedimentary Research, 93 (5). pp. 309-326.
Stevens, Nancy J., O'Connor, Patrick M., Mtelela, Cassy, and Roberts, Eric M. (2022) Macroscelideans (Myohyracinae and Rhynchocyoninae) from the late Oligocene Nsungwe formation of the Rukwa Rift Basin, southwestern Tanzania. Historical Biology, 34 (4). pp. 604-610.
Orr, Theresa J., Wurster, Christopher M., Roberts, Eric M., Singleton, Russell E., Stevens, Nancy J., and O'Connor, Patrick M. (2022) Paleoatmospheric CO2 oscillations through a cool middle/Late Cretaceous recorded from pedogenic carbonates in Africa. Cretaceous Research, 135. 105191.
Lawrence, L., Spandler, C., Hilbert-Wolf, H.L., Mtelela, C., Stevens, N.J., O'connor, P.M., and Roberts, E.M. (2022) Radiogenic isotope record of magma genesis and lithospheric geodynamics of the Rukwa Rift Basin, Tanzania, from mid Mesozoic to present. Chemical Geology, 608. 121040.
Orr, Theresa J., Roberts, Eric M., Wurster, Chris M., Mtelela, Cassy, Stevens, Nancy J., and O'connor, Patrick M. (2021) Paleoclimate and paleoenvironment reconstruction of paleosols spanning the Lower to Upper Cretaceous from the Rukwa Rift Basin, Tanzania. Palaeogeography, Palaeoclimatology, Palaeoecology, 577. 110539.
Claeson, Kerin M., Ngasala, Sifa, Gottfried, Michael D., Roberts, Eric M., O'Connor, Patrick M., and Stevens, Nancy J. (2021) A new assemblage of Cenozoic lungfishes (Dipnoi: Lepidosirenidae) from the late Oligocene Nsungwe Formation, Rukwa Rift Basin, southwestern Tanzania. Geobios, 66-67. pp. 7-14.
McCartney, Jacob A., Bouchard, Sierra N., Reinhardt, Josephine A., Roberts, Eric M., O'connor, Patrick M., Mtelela, Cassy, and Stevens, Nancy J. (2021) The oldest lamprophiid (Serpentes, Caenophidia) from the late Oligocene Rukwa Rift Basin, Tanzania and the origins of African snake diversity. Geobios, 66-67. pp. 67-75.
Hilbert-Wolf, Hannah, Roberts, Eric, Downie, Bob, Mtelela, Cassy, Stevens, Nancy J., and O'Connor, Patrick (2017) Application of U-Pb detrital zircon geochronology to drill cuttings for age control in hydrocarbon exploration wells: a case example from the Rukwa Rift Basin, Tanzania. AAPG Bulletin, 101 (2). pp. 143-159.
Mtelela, Cassy, Roberts, Eric M., Hilbert-Wolf, Hannah L., Downie, Robert, Hendrix, Marc S., O'Connor, Patrick M., and Stevens, Nancy J. (2017) Sedimentology and paleoenvironments of a new fossiliferous late Miocene-Pliocene sedimentary succession in the Rukwa Rift Basin, Tanzania. Journal of African Earth Sciences, 129. pp. 260-281.
Roberts, Eric M., Todd, Christopher N., Aanen, Duur K., Nobre, Tânia, Hilbert-Wolf, Hannah L., O'Connor, Patrick M., Tapanila, Leif, Mtelela, Cassy, and Stevens, Nancy J. (2016) Oligocene termite nests with in situ fungus gardens from the Rukwa Rift Basin, Tanzania, support a paleogene African origin for insect agriculture. PLoS ONE, 11 (6). e0156847. pp. 1-17.
Blackburn, David C., Roberts, Eric M., and Stevens, Nancy J. (2015) The earliest record of the endemic African frog family Ptychadenidae from the Oligocene Nsungwe Formation of Tanzania. Journal of Vertebrate Paleontology, 35 (2). e907174. pp. 1-5.
Gorscak, Eric, O'Connor, Patrick M., Stevens, Nancy J., and Roberts, Eric M. (2014) The basal titanosaurian Rukwatitan bisepultus (Dinosauria, Sauropoda) from the middle Cretaceous Galula formation, Rukwa Rift Basin, southwestern Tanzania. Journal of Vertebrate Paleontology, 34 (5). pp. 1133-1154.
Stevens, Nancy J., Seiffert, Erik R., O'Connor, Patrick M., Roberts, Eric M., Schmitz, Mark D., Krause, Cornelia, Gorscak, Eric, Ngasala, Sifa, Hieronymus, Tobin L., and Temu, Joseph (2013) Palaeontological evidence for an Oligocene divergence between Old World monkeys and apes. Nature, 497 (7451). pp. 611-614.
Roberts, E.M., Stevens, N.J., O'Connor, P.M., Dirks, P.H.G.M., Gottfried, M.D., Clyde, W.C., Armstrong, R.A., Kemp, A.I.S., and Hemming, S. (2012) Initiation of the western branch of the East African Rift coeval with the eastern branch. Nature Geoscience, 5 (4). pp. 289-294.
O'Connor, Patrick M., Sertich, Joseph J.W., Stevens, Nancy J., Roberts, Eric M., Gottfried, Michael D., Hieronymus, Tobin L., Jinnah, Zubair A., Ridgely, Ryan, Ngasala, Sifa E., and Temba, Jesuit (2010) The evolution of mammal-like crocodyliforms in the Cretaceous Period of Gondwana. Nature, 466 (7307). pp. 748-751.
Roberts, Eric M., O'Connor, Patrick M., Stevens, Nancy J., Gottfried, Michael D., Jinnah, Zubair A., Ngasala, Sifael, Choh, Adeline M., and Armstrong, Richard A. (2010) Sedimentology and depositional environments of the Red Sandstone Group, Rukwa Rift Basin, southwestern Tanzania: new insight into Cretaceous and Paleogene terrestrial ecosystems and tectonics in sub-equatorial Africa. Journal of African Earth Sciences, 57 (3). pp. 179-212.
Stevens, Nancy J., O'Connor, Patrick M., Roberts, Eric M., and Gottfried, Michael D. (2009) A hyracoid from the Late Oligocene Red Sandstone Group of Tanzania, Rukwalorax jinokitana (gen. and sp. nov.). Journal of Vertebrate Paleontology, 29 (3). pp. 972-975.
Stevens, Nancy J., Holroyd, Patricia A., Roberts, Eric M., O'Connor, Patrick M., and Gottfried, Michael D. (2009) Kahawamys mbeyaensis (n. gen., n. sp.) (Rodentia: Thryonomyoidea) from the Late Oligocene Rukwa Rift Basin, Tanzania. Journal of Vertebrate Paleontology, 29 (2). pp. 631-634.
Gottfried, Michael D., Stevens, Nancy J., Roberts, Eric M., O'Connor, Patrick M., and Chami, Remigius (2009) A new Cretaceous lungfish (Dipnoi: Ceratodontidae) from the Rukwa Rift Basin, Tanzania. African Natural History, 5. pp. 31-36.
Stevens, Nancy J., Gottfried, Michael D., Roberts, Eric M., Kapilima, Saidi, Ngasala, Sifa, and O'Connor, Patrick M. (2008) Paleontological exploration in Africa: a view from the Rukwa Rift Basin of Tanzania. In: Fleagle, John G., and Gilbert, Christopher C., (eds.) Elwyn Simons: a search for origins. Developments in Primatology: progress and prospects, 9 . Springer, New York, NY, USA, pp. 159-180.
Feldmann, Rodney M., O'Connor, Patrick M., Stevens, Nancy J., Gottfried, Michael D., Roberts, Eric M., Ngasala, Sifa, Rasmusson, Erin L., and Kapilima, Saidi (2007) A new freshwater crab (Decapoda: Brachyura: Potamonautidae) from the Paleogene of Tanzania, Africa. Neues Jahrbuch fuer Geologie und Palaeontologie. Abhandlungen , 244 (1). pp. 71-78.
O'Connor, Patrick M., Gottfried, Michael D., Stevens, Nancy J., Roberts, Eric M., Ngasala, Sifael, Kapilima, Saidi, and Chami, Remigius (2006) A new vertebrate fauna from the Cretaceous Red Sandstone Group, Rukwa Rift Basin, Southwestern Tanzania. Journal of African Earth Sciences, 44 (3). pp. 277-288.
Stevens, Nancy J., O'Connor, Patrick M., Gottfried, Michael D., Roberts, Eric M., Ngasala, Sifael, and Dawson, Mary R. (2006) Metaphiomys (Rodentia: Phiomyidae) from the Paleogene of southwestern Tanzania. Journal of Paleontology, 80 (2). pp. 407-410.
Stevens, Nancy J., O'Connor, Patrick M., Gottfried, Michael D., Roberts, Eric M., and Ngasala, Sifael (2005) An anthropoid primate humerus from the Rukwa Rift Basin, Paleogene of southwestern Tanzania. Journal of Vertebrate Paleontology, 25 (4). pp. 986-989.
Roberts, Eric M., O'Connor, Patrick M., Gottfried, Michael D., Stevens, Nancy, Kapalima, Saidi, and Ngasala, Sifael (2004) Revised stratigraphy and age of the Red Sandstone Group in the Rukwa Rift Basin, Tanzania. Cretaceous Research, 25 (5). pp. 749-759.