David Harper

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2024
Mark Insights into the morphology of Sphenothallus (Cnidaria): new features identified in an old genus from the Carboniferous (Pennsylvanian, Bashkirian) of western Ireland
Doyle, Eamon ; Ahlberg, Per ^LU and Harper, David ^LU (2024) In Irish Journal of Earth Sciences 42. p.237-247
- Contribution to journal › Article
Mark The Ordovician section of the Hällekis Quarry, Sweden
Ahlberg, Per ^LU ; Harper, David A.T. ^LU ; Holmer, Lars E. ; Lindskog, Anders ^LU and Schmitz, Birger ^LU (2024) p.58-59
- Chapter in Book/Report/Conference proceeding › Book chapter
2023
Mark The Ordovician System of South Africa : a review
Penn-Clarke, C. R. ; Browning, C. and Harper, D. A.T. ^LU (2023) In Geological Society Special Publication 533. p.175-197
- Chapter in Book/Report/Conference proceeding › Book chapter
Mark The rise and fall of the Malvinoxhosan (Malvinokaffric) bioregion in South Africa : Evidence for Early-Middle Devonian biocrises at the South Pole
Penn-Clarke, Cameron R. and Harper, David A.T. ^LU (2023) In Earth-Science Reviews 246.
- Contribution to journal › Scientific review
2021
Mark Early–Middle Devonian brachiopod provincialism and bioregionalization at high latitudes : A case study from southwestern Gondwana
Penn-Clarke, Cameron R. and Harper, David A.T. ^LU (2021) In Bulletin of the Geological Society of America 133(3-4). p.819-836
- Contribution to journal › Article
Mark Early Cambrian brachiopod-dominated shell concentrations from North-East Greenland : Environmental and taphonomic implications
Harper, David A.T. ^LU ; Stouge, Svend ; Christiansen, Jørgen L. ; Topper, Timothy P. ; Alwmark, Carl ^LU ; Richoz, Sylvain ^LU and Ahlberg, Per ^LU (2021) In Global and Planetary Change 204.
- Contribution to journal › Article
2019
Mark The Sirius Passet Lagerstätte of North Greenland—A geochemical window on early Cambrian low-oxygen environments and ecosystems
Hammarlund, Emma U. ^LU ; Smith, M. Paul ; Rasmussen, Jan A. ; Nielsen, Arne T. ; Canfield, Donald E. and Harper, David A.T. ^LU (2019) In Geobiology 17(1). p.12-26
- Contribution to journal › Article
Mark An extraterrestrial trigger for the mid-Ordovician ice age : Dust from the breakup of the L-chondrite parent body
Schmitz, Birger ^LU ; Farley, Kenneth A. ; Goderis, Steven ; Heck, Philipp R. ; Bergström, Stig M. ; Boschi, Samuele ^LU ; Claeys, Philippe ; Debaille, Vinciane ; Dronov, Andrei and van Ginneken, Matthias , et al. (2019) In Science Advances 5(9).
- Contribution to journal › Article
Mark The Furongian (late Cambrian) Biodiversity Gap : Real or apparent?
Harper, David A.T. ^LU ; Topper, Timothy P. ; Cascales-Miñana, Borja ; Servais, Thomas ; Zhang, Yuan Dong and Ahlberg, Per ^LU (2019) In Palaeoworld 28(1-2). p.4-12
- Contribution to journal › Article
Mark The sirius passet lagerstätte of north greenland : A remote window on the cambrian explosion
Harper, David A.T. ^LU ; Hammarlund, Emma U. ^LU ; Topper, Timothy P. ; Nielsen, Arne T. ; Rasmussen, Jan A. ; Park, Tae Yoon S. and Smith, M. Paul (2019) In Journal of the Geological Society 176(6). p.1023-1037
- Contribution to journal › Scientific review

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