, 2018. Pseudocryptic species of the Middle Cambrian trilobite Eodiscus Hartt, in Walcott, 1884, from Avalonian and Laurentian Newfoundland. Canadian Journal of Earth Sciences 55, 997-1019. doi:10.1139/cjes-2018-0027
, 2019. NORTH AMERICAN COMMISSION ON STRATIGRAPHIC NOMENCLATURE Report 13 — Revision of Articles 25-27 of the North American Stratigraphic Code to Allow Formal Submembers. Stratigraphy 16, 279-281. doi:10.29041/strat10.29041/strat.16.410.29041/strat.16.4.279-281
, 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. Early Paleozoic rifting and reactivation of a passive-margin rift: Insights from detrital zircon provenance signatures of the Potsdam Group, Ottawa graben: Comment. GSA Bulletin 131, 695-698. doi:10.1130/B35104.1
, 2019. RE: Overused “greenhouse climate” paradigm: consequence for ancient climate synthesis. Science Advances
, 2018. NORTH AMERICAN COMMISSION ON STRATIGRAPHIC NOMENCLATURE Note 68 - Application for Addition of Submembers to the North American Stratigraphic Code: A Case for Formalizing Lithostratigraphic units of Intermediate Rank. Stratigraphy 15, 103-108. doi:10.29041/strat.15.2.103-108
, 2021. Lophotrochozoa in the Cambrian evolutionary radiation and the Pelagiella problem. Papers in Palaeontology doi:10.1002/spp2.1396
, 2021. (Re)proposal of three Cambrian Subsystems and their Geochronology. Episodes 44, 273-283. doi:10.18814/epiiugs/2020/020088
, 2021. Trace fossils, depositional context, and paleogeography of the upper Tal Group (upper lower Cambrian), Lesser Himalaya, India: a Gondwanan succession with no affinities to the Avalonia microcontinent – discussion of paper by Singh et~al. (2019). Ichnos 28, 143-156. doi:10.1080/10420940.2020.1843457
