Permian–Triassic Boundary, Karoo Basin

download available .pdf by clicking on appropriate

Publications with Students

  • BOLD indicates Graduate Student co-author
  • BOLD ITALICS indicates Undergraduate Student co-author
    • Gastaldo, R.A., and Bamford, M., 2023, The influence of time and taphonomy on the paleobotanical record of the Permian—Triassic transition of the Karoo Basin (and elsewhere): Journal of African Earth Sciences, 204 (2023) 104960 DOI:
    • Gibling, M., Jia, R., Gastaldo, R.A., Neveling, J. and Rochín-Bañaga, H., 2023, Braided-river architecture of the Triassic Swartberg Member, Katberg Formation, South Africa: Assessing age, fluvial style and paleoclimate after the end-Permian extinction: Journal of Sedimentary Research
    • Gastaldo, R.A., Neveling, J., Geissman, J.W., Kamo, S.L., and Looy, C.V., 2021, A Tale of Two Tweefonteins: What Physical Correlation, Geochronology, Magnetic Polarity Stratigraphy, and Palynology say about the end-Permian terrestrial extinction paradigm: Geological Society of America Bulletin, v. 133.
    • Gastaldo, R.A., Tabor, N., and Neveling, J., 2020, Trends in Late Permian (Changhsingian) paleoclimate in the Daptocephalus Assemblage Zone, Eastern Cape Province, South Africa: Frontiers in Earth Science, v. 8, n. 567109 DOI:10.3389/fevo.2020.567109
    •  Gastaldo, R.A., Kus, K., Neveling, J., and Tabor, N., 2020, Calcic paleoVertisols in the upper Daptocephalus Assemblage Zone, Balfour Formation, Karoo Basin, South Africa: Implications for Late Permian Climate: Journal of Sedimentary Research, v. 90, p. 609-628. DOI:
    • Gastaldo, R.A., Kamo, S.L., Neveling, J., Geissman, J., Looy, C.V., and Martini, A.M., 2020, The base of the Lystrosaurus Assemblage Zone, Karoo Basin, predates the end-Permian marine extinction: Nature Communications or
    • Gastaldo, R.A., and Neveling, J., 2020, Comment on “Permian—Triassic vertebrate footprints from South Africa: Ichnotaxonomy, producers and biostratigraphy through two major faunal crises” by Marchetti, L., Klein, H., Buchwitz, M., Ronchi, A., Smith, R.M.H., DeKlerk, W.J., Sciscio, L., and Groenewald, G.H. (2019): Gondwana Research v. 78, p. 375-378.
    • Gastaldo, R.A., Neveling, J., Geissman, J.W., and Looy, C.V., 2019,Testing the Daptocephalus and Lystrosaurus Assemblage Zones in a Lithostratographic, Magnetostratigraphic, and Palynological Framework in the Free State, South Africa: PALAIOS, v. 34, p. 542-561. DOI:
    • Gastaldo, R.A., Neveling, J., Geissman, J.W., and Li., J.W., 2019, A Multidisciplinary Approach to Review the Vertical and Lateral Facies Relationships of the Purported Vertebrate-defined Terrestrial Boundary Interval at Bethulie, Karoo Basin, South Africa: Earth Science Reviews, v. 189. p. 220-243:   doi 10.1016/j.earscirev.2017.08.002
    • Gastaldo, R.A., Neveling, J., Geissman, J.W., and Kamo, S.L., 2018, Lithostratigraphic and Magnetostratigraphic Framework in a Geochronologic Context for a Purported Permian–Triassic Boundary Section at Old (West) Lootsberg Pass, Karoo Basin, South Africa: Geological Society of America Bulletin, v. 130, p. 1411-1438. https:// doi .org /10 .1130 /B31881 .1 (available online 3 April 2018)
    • Gastaldo, R.A., Neveling, J., Looy, C.V., Bamford, M.K., Kamo, S.L., and Geissman, J.W., 2017, Paleontology of the Blaauwater 67 Farm, South Africa: Testing the Daptocephalus/Lystrosaurus Biozone Boundary in a Stratigraphic Framework: PALAIOS, v. 34, p. 349-366. http://DOI:
    • Li, J., Gastaldo, R.A., Neveling, J., and Geissman, J.W., 2017, Siltstones Across the Daptocephalus (Dicynodon) and Lystrosaurus Assemblage Zones, Karoo Basin, South Africa, Show No Evidence for Aridification: Journal of Sedimentary Research, v. 87, p. 653-671. DOI:
    • Neveling, J., Gastaldo, R.A., Kamo, S.L., Geissman, J.W., Looy, C.V., and Bamford, M.K., 2016, A Review of Stratigraphic, Geochemical, and Paleontologic Correlations Data of the Terrestrial end-Permian record in the Karoo Basin, South Africa: in Linol, B., and de Wit, M.,  eds., Origin and Evolution of the Cape Mountains and Karoo Basin: Regional Geology Reviews, Springer Publishing, Chapter 15, p. 151-157.  doi 10.1007/978-63-319-40859-1_15
    • Neveling, J., Gastaldo, R.A., and Geissman, J.W., 2016, The Permo–Triassic Boundary in the Karoo Basin: 35th International Geological Congress Pre-Meeting Field Trip Guide, Council for Geoscience, Pretoria, P-3, 102 p.
    • Gastaldo, R.A., and Neveling, J., 2016, Comment on “Anatomy of a mass extinction: Sedimentological and taphonomic evidence for drought-induced die-offs at the Permo-Triassic boundary in the main Karoo Basin, South Africa” by R.M.H. Smith and J. Botha-Brink, Palaeogeography, Palaeoclimatology, Palaeoecology 396:99-118.: Palaeogeography, Palaeoclimatology, Palaeoecology.
      doi 10.1016 /j.palaeo.2014.06.027
    • The Economist: Layers of Meaning: 2 October 2015
    • Gastaldo, R.A., Kamo, S.L., Neveling, J., Geissman, J.W., Bamford, M., and Looy, C., 2015, Is the vertebrate-defined Permian–Triassic Boundary in the Karoo Basin, South Africa, the terrestrial expression of the End Permian marine event?: GEOLOGY, v. 43, p. 939-942 (Open Access article)
      doi: 10.1130/G37040.1
    • Gastaldo, R.A., Knight, C., Neveling, J., and Tabor, N., 2014, Late Permian Paleosols from Wapadsberg Pass, South Africa: Implications for Changhsingian Climate: Geological Society of America Bulletin, v. 126, p. 665-679. doi: 10.1130/B30887.1
    • Gastaldo, R.A., Pludow, B.A., and Neveling, J., 2013, Mud Aggregates from the Katberg Formation, South Africa: Additional Evidence for Early Triassic Degradational Landscapes: Journal of Sedimentary Research, v. 83, p. 531-540.
    • Gastaldo, R.A., and Neveling, J., 2012, The terrestrial Permian-Triassic boundary event is a nonevent: REPLY: Geology, v. 40, p. e257, doi:10.1130/G32975Y.1
    • Prevec, R., Gastaldo, R.A., Neveling, J., Reid, S.B., and Looy, C.V., 2010, An Autochthonous Glossoperid flora with Latest Permian palynomorphs and its depositional setting from the Dicynodon Assemblage Zone of the southern Karoo Basin, South Africa: Palaeogeography, Palaeoclimatology, Palaeoecology, v. 292, p. 381-408. (doi: 10.1016/j.palaeo.2010.052)
    • Prevec, R., Labandeira, C.C., Neveling, J., Gastaldo, R.A., Looy, C.V., and Bamford, M.K., 2009, Portrait of a Gondwanan Ecosystem: A New Late Permian Locality from Kwazulu-Natal, South Africa: Review of Palaeobotany and Palynology, v. 156, p. 454-493.
    • Pace, D.W., Gastaldo, R.A., and Neveling, J., 2009, Aggradational and Degradational Landscapes in the Early Triassic of the Karoo Basin and Evidence for Dramatic Climate Shifts Following the P/Tr Event: Journal of Sedimentary Research, v. 79, p. 276-291.
    • Gastaldo, R.A., Neveling, J., Clark, C.K., and Newbury, S.S. , 2009, The terrestrial Permian-Triassic boundary event bed is a non-event: GEOLOGY, v. 37, n. 3, p. 199-202.
    • Gastaldo, R.A., and Rolerson, M.W., 2008, Katbergia gen. nov., A New Trace Fossil from the Upper Permian and Lower Triassic Rocks of the Karoo Basin: Implications for Paleoenvironmental Conditions at the P/Tr Extinction Event: Palaeontology, v. 51, p. 215-229.
    • Gastaldo, R.A., Adendorff, R., Bamford, M.K., Labandeira, Neveling, J., and Sims, H.J., 2005, Taphonomic Trends of Macrofloral Assemblages Across the Permian-Triassic Boundary, Karoo Basin, South Africa: PALAIOS, v. 20, p. 478-497. (doi 10.1016/j.palaeo.2010.03.052)
    • Selover, R.W., and Gastaldo, R.A., 2005, A Reinterpretation of the Wagendrift Quarry, Estcourt, Kwazulu Natal Province, and its Implications for Karoo Basin Paleogeography: Journal of outh African Geology, v. 108, p. 17-26.