G.
Geyer
, 2019. Comment on: \ Alvaro, J. J., Esteve, J. \& Zamora, S. 2019. Morphological assessment of the earliest paradoxidid trilobites (Cambrian Series 3) from Morocco and Spain. Geological Magazine 156, 1691-1707. doi:10.1017/S0016756818000961
, 2019. Revised Cambrian stratigraphy in the Franconian Forest (Frankenwald), Germany, reveals typical West Gondwanan succession in the Saxothuringian belt. Newsletters on Stratigraphy 52, 377-433. doi:10.1127/nos/2019/0495
, 2019. RE: Overused “greenhouse climate” paradigm: consequence for ancient climate synthesis. Science Advances
, 2022. Discussion of ‘Reply to “Uppermost Cambrian carbon chemostratigraphy: the HERB and undocumented TOCE events are not synonymous”’Abstract. Geological Magazine 159, 173-176. doi:10.1017/S001675682100090X
, 2022. Trans-Avalonian green–black boundary (early Middle Cambrian): transform fault-driven epeirogeny and onset of 26 m.y. of shallow marine anoxia in Avalonia (Rhode Island–Belgium) and Baltica. Canadian Journal of Earth Sciences doi:10.1139/cjes-2022-0065
, 2024. Unconformity-bounded rift sequences in Terreneuvian-Miaolingian strata of the Caledonian Highlands, Atlantic Canada: Comment. Geological Society of America Bulletin 136, 3472–3478. doi:10.1130/B37005.1
, 2023. Discussion: The Terreneuvian MacCodrum Brook section, Mira terrane, Cape Breton Island, Nova Scotia, Canada: age constraints from ash layers, organic-walled microfossils, and trace fossils. Canadian Journal of Earth Sciences doi:10.1139/cjes-2023-0031
, 2023. Proposed Early Cambrian cephalopods are chimaeras, the oldest known cephalopods are 30 m.y. younger. Communications Biology 6, 32. doi:10.1038/s42003-022-04383-9
, 2023. U-Pb zircon dates from North American and British Avalonia bracket the Lower–Middle Cambrian boundary interval, with evaluation of the Miaolingian Series as a global unit. Geological Magazine , 1-27. doi:10.1017/S0016756823000729