| Early–Middle Devonian brachiopod provincialism and bioregionalization at high latitudes: A case study from southwestern Gondwana CR Penn-Clarke, DAT Harper GSA Bulletin 133 (3-4), 819-836, 2021 | 44 | 2021 |
| The Malvinokaffric Realm in the Early-Middle Devonian of South Africa CR Penn-Clarke Journal of African Earth Sciences 158, 103549, 2019 | 29 | 2019 |
| Interest in geological and palaeontological curiosities by southern African non-western societies: A review and perspectives for future study CW Helm, J Benoit, A Mayor, HC Cawthra, CR Penn-Clarke, R Rust Proceedings of the Geologists' Association 130 (5), 541-558, 2019 | 19 | 2019 |
| Two hundred years of palaeontological discovery: review of research on the Early to Middle Devonian Bokkeveld Group (Cape Supergroup) of South Africa CR Penn-Clarke, BS Rubidge, ZA Jinnah Journal of African Earth Sciences 137, 157-178, 2018 | 16 | 2018 |
| High-paleolatitude environmental change during the Early to Middle Devonian: insights from Emsian–Eifelian (Lower–Middle Devonian) Siliciclastic depositional systems of the … CR Penn-Clarke, BS Rubidge, ZA Jinnah Journal of Sedimentary Research 88 (9), 1040-1075, 2018 | 15 | 2018 |
| Eifelian–Givetian (Middle Devonian) high-paleolatitude storm-and wave-dominated shallow-marine depositional systems from the Bidouw Subgroup (Bokkeveld Group) of South Africa CR Penn-Clarke, BS Rubidge, ZA Jinnah Journal of Sedimentary Research 89 (11), 1140-1170, 2019 | 11 | 2019 |
| Geoheritage in the Matjiesrivier nature reserve, a world heritage site in the Cederberg, South Africa CR Penn-Clarke, J Deacon, N Wiltshire, C Browning, R du Plessis Journal of African Earth Sciences 166, 103818, 2020 | 10 | 2020 |
| The rise and fall of the Malvinoxhosan (Malvinokaffric) bioregion in South Africa: Evidence for Early-Middle Devonian biocrises at the South Pole CR Penn-Clarke, DAT Harper Earth-Science Reviews 246, 104595, 2023 | 9 | 2023 |
| Stepping out across the Karoo retro-foreland basin: Improved constraints on the Ecca-Beaufort shoreline along the northern margin DP Groenewald, MO Day, CR Penn-Clarke, BS Rubidge Journal of African Earth Sciences 185, 104389, 2022 | 8 | 2022 |
| Long-lived stable shelf deposition along Gondwana's southern margin during the Ordovician-Silurian: Inferences from UPb detrital zircon ages of the Table Mountain Group (South … C Vorster, JD Kramers, NJ Beukes, CR Penn-Clarke Chemical Geology 576, 120274, 2021 | 8 | 2021 |
| Palaeoenvironmental successions and sequence stratigraphy of the Early to Middle Devonian Bokkeveld Group in the Clanwilliam Sub-basin, Western Cape Province, South Africa CR Penn-Clarke PQDT-Global, 2017 | 7 | 2017 |
| The Ordovician system of South Africa: a review CR Penn-Clarke, C Browning, DAT Harper | 6 | 2023 |
| Cold feet: Trackways and burrows in ice-marginal strata of the end-Ordovician glaciation (Table Mountain Group, South Africa) NS Davies, AP Shillito, CR Penn-Clarke Geology 48 (12), 1159-1163, 2020 | 6 | 2020 |
| Indigenous knowledge of palaeontology in Africa J Benoit, CR Penn-Clarke, R Rust, DP Groenewald, P Vickers-Rich, ... | 5 | 2024 |
| Lithostratigraphy of the Floriskraal Formation (Witteberg Group), South Africa C Browning, CR Penn-Clarke South African Journal of Geology 2016 119 (2), 425-434, 2016 | 4 | 2016 |
| Unique trackway on Permian Karoo shoreline provides evidence of temnospondyl locomotory behaviour DP Groenewald, A Krüger, MO Day, CR Penn-Clarke, PJ Hancox, ... PloS one 18 (3), e0282354, 2023 | 3 | 2023 |
| Coombs Hill: A Late Devonian fossil locality in the Witpoort Formation (Witteberg Group, South Africa) C Harris, RW Gess, CR Penn-Clarke, BS Rubidge South African Journal of Science 117 (3-4), 2021 | 3 | 2021 |
| What happened to the indigenous knowledge of fossiliferous caves in Southern Africa J Benoit, C Penn-Clarke, CW Helm The Digging Stick 40, 1-10, 2023 | 2 | 2023 |
| Lithostratigraphy and sedimentology of the Middle Devonian Tra-Tra Formation, including the Grootrivier Member (Bokkeveld Group, Cape Supergroup), South Africa CR Penn-Clarke, JN Theron South African Journal of Geology 2020 123 (3), 381-398, 2020 | 2 | 2020 |
| Early land plant remains from the uppermost Ordovician–? lowermost Silurian Cedarberg Formation of South Africa CH Wellman, CR Penn-Clarke, C Browning Estonian Journal of Earth Sciences 72 (1), 164-164, 2023 | 1 | 2023 |
