List of published work
The names of Looy Lab members are shown in bold.
2022
Benca JP, Duijnstee IAP and Looy CV, 2022. Pollen malformations as indicators of past environmental stress: Comparing background variation with heightened UV-B exposure in modern conifers. Paleobiology. 34 pp. doi.org/10.1017/pab.2022.3
DiMichele WA, Bateman RM, Rothwell GW, Duijnstee IAP, Elrick SD, Looy CV, 2022. Stigmaria: a review of the anatomy, development, and functional morphology of the rootstock of the arboreous lycopsids. International Journal of Plant Sciences 183, 42 pp. doi.org/10.1086/720641
Tabor NJ, Geissman JW, Renne PR, Mundil R, Mitchell III WS, Myers TS, Jackson J, Looy CV, Kirchholtes RP, 2022. Evidence of a continuous continental Permian-Triassic boundary section in western equatorial Pangea, Palo Duro Basin, Northwest Texas, U.S.A. Frontiers in Earth Science 9, 38 pp. doi.org/10.3389/feart.2021.747777
Villaseñor A, Tóth AB, Balk MA, Eronen JT, Barr WA, Behrensmeyer AK, Davis M, Du A, Faith JT, Graves GR, Gotelli NJ, Jukar AM, Looy CV, McGill BJ Miller JH, Pineda-Munoz S, Potts R, Shupinski AB, Soul LC, Lyons SK, 2022. Late quaternary biotic homogenization of North American mammalian faunas. Nature Communications 13, 3940. doi.org/10.1038/s41467-022-31595-8
2021
Bashforth AR, DiMichele WA, Eble CF, Falcon-Lang HJ, Looy CV and Lucas SG, 2021. The environmental implications of upper Paleozoic plant-fossil assemblages with mixtures of wetland and drought-tolerant taxa in tropical Pangea. Geobios 68: 1–45. doi.org/10.1016/j.geobios.2021.04.002
Fraser D, Soul LC, Tóth AB, Balk MA, Eronen JT, Pineda-Munoz S, Shupinski AB, Villaseñor A, Barr WA, Behrensmeyer AK, Du A, Faith JT, Gotelli NJ, Graves GR, Jukar AM, Looy CV, Miller JH, Potts R and Lyons SK, 2021. Investigating Biotic Interactions in Deep Time. Trends in Ecology and Evolution 36: 61–75. doi.org/10.1016/j.tree.2020.09.001
Gastaldo RA, Neveling J, Geissman JW, Kamo SL and Looy CV, 2021. A tale of two Tweefonteins: what physical correlation, geochronology, magnetic polarity stratigraphy, and palynology reveal about the end-Permian terrestrial extinction paradigm in South Africa. GSA Bulletin, 134: 691–721. doi.org/10.1130/B35830.1
Looy CV and Duijnstee IAP, 2021. Three orders of branching in branch systems of Late Pennsylvania walchian conifers. New Mexico Museum of Natural History and Science Bulletin 84: 185–192.
Looy CV, Van Konijnenburg-van Cittert JHA and Duijnstee IAP, 2021. Proliferation of isoëtalean lycophytes during the Permo-Triassic biotic crises: a proxy for the state of the terrestrial biosphere. Frontiers in Earth Science 9, 19 pp. doi.org/10.3389/feart.2021.615370
Lucas SG, DiMichele WA, Krainer K, Barrick JE, Vachard D, Donovan MP, Looy CV, Kerp H and Chaney DS, 2021. The Pennsylvanian system in the northern Sacramento Mountains, New Mexico, USA: stratigraphy, petrography, depositional systems, paleontology, biostratigraphy, and geologic history. Smithsonian Contributions to Paleobiology 104 pp. 1–215. Link to PDF
May MR, Contreras DL, Sundue MA, Nagalingum NS, Looy CV and Rothfels CJ, 2021. Inferring the total-evidence timescale of marattialean fern evolution in the face of model sensitivity. Systematic Biology 70: 1232–1255. doi.org/10.1093/sysbio/syab020
Milligan JN, Flynn AG, Wagner JD, Kouwenberg LL, Barclay RS, Byars BW, Dunn RE, White JD, Zechmann B and Peppe DJ, 2021. Quantifying the effect of shade on cuticle morphology and carbon isotopes of sycamores: present and past. American journal of botany 108: 2435–2451. doi.org/10.1002/ajb2.1772
Pineda-Munoz S, Jukar AM, Tóth AB, Fraser D, Du A, Barr WA, Amantangelo KL, Balk MA, Behrensmeyer AK, Blois J, Davis M, Eronen JT, Gotelli NJ, Looy CV, Miller JH, Shipinski AB, Soul LC, Villaseñor A, Wing S and Lyons SK, 2021. Body mass-related changes in mammal community assemblage patterns during the late Quaternary of North America. Ecography 44: 56-66. doi.org/10.1111/ecog.05027
2020
Gastaldo RA, Kamo SL, Neveling J, Geissman JW, Looy CV and Martini AM, 2020. The base of the Lystrosaurus Assemblage Zone, Karoo Basin, predates the end-Permian marine extinction: age and paleomagnetic evidence. Nature Communications 11: 1428. doi.org/10.1038/s41467-020-15243-7
Looy CV and Duijnstee IAP, 2020. Voltzian conifers of the South Ash Pasture flora (Guadalupian, Texas): Johniphyllum multinerve gen. et sp. nov., Pseudovoltzia sapflorensis sp. nov., and Wantus acaulis gen. et sp. nov. International Journal of Plant Science 181(3): 363-385.
Lyons SK, Looy CV and Punyasena S, 2020. Community and ecosystem dynamics. In: Lyons SK and Behrensmeyer AK (eds), Foundations of Paleoecology. University of Chicago Press, pp. 5-6.
Richey JD, Montañez IP, Goddéris Y, Looy CV, Griffis NP and DiMichele WA, 2020. Influence of temporally varying weatherability on CO2–climate coupling and ecosystem change in the late Paleozoic. Climate of the Past 16: 1759-1775. doi.org/10.5194/cp-2020-50
Richey JD, Montañez IP, White JD, DiMichele WA, Matthaeus WJ, Poulsen CJ, Macarewich SI and Looy CV, 2020. Modeled physiological mechanisms for observed changes in the late Paleozoic plant fossil record. Palaeogeography, Palaeoclimatology, Palaeoecology 562: 110056. doi.org/10.1016/j.palaeo.2020.110056
Soreghan GS, Beccaletto L, Benison KC, Bourquin S, Feulner G, Hamamura N, Hamilton M, Heavens NG, Hinnov L, Huttenlocker A, Looy CV, Pfeifer LS, Pochat S, Sardar Abadi M, Zambito J, and the Deep Dust workshop participants, 2020. Report on ICDP Deep Dust workshops: probing continental climate of the late Paleozoic icehouse–greenhouse transition and beyond. Scientific Drilling 28: 93-112.
2019
Contreras DL, Escapa IH, Iribarren RC and Cúneo NR, 2019. Reconstructing the Early Evolution of the Cupressaceae: A whole-plant description of a new Austrohamia species from the Cañadón Asfalto Formation (Early Jurassic), Argentina. International Journal of Plant Sciences 180(8): 834-868.
DiMichele WA, Hotton CL, Looy CV and Hook RW, 2019. Paleoecological and paleoenvironmental interpretation of three successive macrofloras and palynofloras from the Kola Switch locality, lower Permian (Archer City Formation, Bowie Group) of Clay County, Texas, USA. PalZ 93: 423-451.
Gastaldo RA, Neveling J, Geissman JW and Looy CV, 2019. Testing the Daptocephalus and Lystrosaurus assemblage zones in a lithostratigraphic, magnetostratigraphic and palynological framework in the Free State, South Africa. Palaios 34: 542-561.
2018
Benca JP, Duijnstee IAP, and Looy CV, 2018. UV-B-induced forest sterility: Implications of ozone shield failure in Earth's largest extinction. Science Advances 4: e1700618. doi.org/10.1126/sciadv.1700618
Contreras DL, 2018. A workflow and protocol describing the field to digitization process for new project-based fossil leaf collections. Applications in Plant Sciences 6(2): e1025. doi.org/10.1002/aps3.1025
DiMichele WA, Hook RW, Kerp H, Hotton CL and Looy CV, Chaney DS, 2018. Lower Permian flora of the Sanzenbacher Ranch, Clay County, Texas. In: Krings M, Cúneo NR, Harper CJ and Rothwell G (eds), Transformative Paleobotany, Academic Press, pp. 95-126.
DiMichele WA, Lucas SG, Chaney DS, Donovan MP, Kerp H, Koll RA and Looy CV, 2018. Early Permian flora, Doña Ana Mountains, southern New Mexico, with special cosideration of taxonomic issues and arthropod damage. In: Lucas SG and Sullivan RM (eds), Fossil Record 6. New Mexico Museum of Natural History and Science Bulletin 79: 165-205.
Kustatscher E, Van Konijnenburg-van Cittert JHA, Butzmann R, Fisher TC, Looy CV, Krings M, Kerp H and Visscher H, 2018. The macro- and microflora from the Lopingian (upper Permian) of the Bletterbach Gorge (Dolomites, N-Italy). Geo Alp. 12: 39-62.
2017
Barnosky AD, Hadly EA, Gonzalez P, Head J, Polly PD, Lawing AM, Eronen JT, Ackerly DD, Alex K, Biber E, Blois J, Brashares J, Ceballos G, Davis E, Dietl GP, Dirzo R, Doremus H, Fortelius M, Greene H, Hellmann J, Hickler T, Jackson ST, Kemp M, Koch PL, Kremen C, Lindsey EL, Looy CV, Marshall CR, Mendenhall C, Mulch A, Mychajliw AM, Nowak C, Ramakrishnan U, Schnitzler J, Das Shrestha K, Solari K, Stegner L, Stegner MA, Stenseth NC, Wake MH and Zhang Z, 2017. Merging paleobiology with conservation biology to guide the future of terrestrial ecosystems. Science 355: 594 and eaah4787.
Contreras DL, Ranks SL, Duijnstee IAP, Marshall CR and Looy CV, 2017. Evolution of dispersal strategies in conifers: functional divergence and convergence in the morphology of diaspores. Perspectives in Plant Ecology, Evolution and Systematics 24: 93-117.
DiMichele WA, Lucas SG, Looy CV, Kerp H and Chaney DS, 2017. Plant fossils from the Pennsylvanian-Permian transition in western Pangea, Abo Pass, New Mexico. Smithsonian Contributions to Paleobiology 99: 1-40.
Forte G, Kustatscher E, Van Konijnenburg-van Cittert JHA, Looy CV and Kerp H, 2017. Conifer diversity in the Kungurian of Europe—Evidence from dwarf-shoot morphology. Review of Palaeobotany and Palynology 244: 308-315.
Gastaldo RA, Neveling J, Looy CV, Bamford M, Kamo SL and Geissman JW, 2017. Paleontology of the Blaauwater 67 Farm, South Africa: Testing the Daptocephalus/Lystrosaurus biozone boundary in a stratigraphic framework. Palaios 32: 349-366.
2016
DiMichele WA, Schneider JW, Lucas SG, Eble CF, Falcon-Lang HJ, Looy CV, Chaney DS, Nelson WJ and Elrick SD. 2016. Megaflora and palynoflora, associated with a Late Pennsylvanian coal bed (Bursum Formation, Carrizo Arroyo, New Mexico, U.S.A.) and paleoenvironmental significance. New Mexico Geological Society Guidebook, 67th Field Conference, Geology of the Belen Area, pp. 351-368.
Looy CV, Ranks SL, Chaney DS, Sanchez S, Steyer JS, Smith RMH, Sidor CA, Meyers JTS, Ide O and Tabor NJ, 2016. Comparing biological and physical evidence for extreme seasonality in central Pangea during the Permian. Palaeogeography, Palaeoclimatology, Palaeoecology 451: 210-226.
Lyons SK, Amatangelo KL, Behrensmeyer AK, Bercovici A, Blois JL, Davis M, DiMichele WA, Du A, Eronen JT, Faith JT, Graves GR, Jud N, Labandeira CC, Looy CV, McGill B, Miller JH Patterson D, Pineda-Munoz S, Potts R, Riddle B, Terry R, Tóth A, Ulrich W, Villaseñor A, Williams JW, Wing S, Anderson H, Anderson J, Waller D and Gotelli NJ, 2016. Temporal change in the organization of fossil assemblages: evidence from species co-occurrence patterns. Nature 529: 80-83.
Lyons SK, Miller JH, Tóth A, Amatangelo KL, Behrensmeyer AK, Bercovici A, Blois JL, Davis M, DiMichelle WA, Du A, Eronen JT, Faith JT, Graves GR, Jud N, Labandeira CC, Looy CV, McGill B, Patterson D, Pineda-Munoz S, Potts R, Riddle B, Terry R, Ulrich W, Villaseñor A, Wing S, Anderson H, Anderson J and Gotelli NJ, 2016. Lyons et al. reply. Nature 537(7618): E5-E6.
Lyons SK, Miller JH, Amatangelo KL, Behrensmeyer AK, Bercovici A, Blois JL, Davis M, DiMichele WA, Du A, Eronen JT, Faith JT, Graves GR, Jud N, Labandeira CC, Looy CV, McGill B, Patterson D, Pineda-Munoz S, Potts R, Riddle B, Terry R, Tóth A, Ulrich W, Villaseñor A, Wing S, Anderson H, Anderson J and Gotelli NJ, 2016. Reply to How foreign is the past. Nature 538(7626): E3-E4.
Neveling J, Gastaldo RA, Kamo SL, Geissman JW, Looy CV and Bamford MK, 2016. A review of stratigraphic, geochemical, and paleontologic data of the terrestrial of the end-Permian record in the Karoo Basin, South Africa. In: Linol B and de Wit M, Origin and evolution of the Cape Mountains and Karoo Basin, Springer, New York, pp. 151-157.
Simon SST, Gibling MR, DiMichele WA, Chaney DS, Looy CV and Tabor NJ, 2016. An abandoned-channel fill with exquisitely preserved plants in redbeds of the Clear Fork Formation, Texas, USA: an early Permian water-dependent habitat on the arid plains of Pangea. Journal of Sedimentary Research 86: 944-964.
2015
Gastaldo RA, Kamo SL, Neveling J, Geissman JW, Bamford M and Looy CV, 2015. Is the vertebrate-defined Permian–Triassic Boundary in the Karoo Basin, South Africa, the terrestrial expression of the end Permian marine event. Geology 43: 939-942.
Falcon-Lang HJ, Lucas SG, Kerp H, Krainer K, Montañez IP, Vachard D, Chaney DS, Elrick SD, Contreras DL, Kurzawe F, DiMichele WA and Looy CV, 2015. Early Permian (Asselian) vegetation from a seasonally dry coast in western equatorial Pangaea: Paleoecology and evolutionary significance. Palaeogeography, Palaeoclimatology, Palaeoecology 433: 158-173.
Sephton MA, Jiao D, Engel MH, Looy CV and Visscher H, 2015. Terrestrial acidification during the end-Permian biosphere crisis? Geology 43: 159-162.
Stevenson R, Evangelista D and Looy CV, 2015. When conifers took flight: a biomechanical evaluation of an imperfect evolutionary takeoff. Paleobiology 41: 205-225.
2014
Benca JP, 2014. Cultivation techniques for terrestrial clubmosses (Lycopodiaceae): Conservation, research, and horticultural opportunities for an early-diverging plant lineage. American Fern Journal 104: 25-48.
Benca JP, Carlisle M, Bergen S and Strömberg CAE, 2014. Applying morphometrics to early land plant systematics: A new Leclercqia (Lycopsida) species from Washington State. American Journal of Botany 101: 510-520.
Blois JL, Gotelli NJ, Behrensmeyer AK, Faith JT, Lyons SK, William SJW, Amatangelo KL, Bercovici A, Du A, Eronen JT, Graves GR, Jud N, Labandeira CC, Looy CV, McGill B, Patterson D, Potts R, Riddle B, Terry R, Tóth A, Villaseñor and Wing SL, 2014. A framework for evaluating the influence of climate, dispersal limitation, and biotic interactions using fossil pollen associations across the late Quaternary. Ecography 37: published online.
DiMichele WA Chaney DS, Falcon-Lang H, Kerp H, Looy CV, Lucas SG, Krainer K and Voigt S, 2014. A compositionally unique voltzian conifer-callipterid flora from a carbonate-filled channel, Early Permian age, Robledo Mountains, New Mexico, and its broader significance. In: Lucas SG and DiMichele WA (eds), Carboniferous - Permian Transition in the Robledo Mountains, Southern New Mexico, New Mexico Museum of Natural History and Science Bulletin: Published online.
DiMichele WA, Lucas SG, Looy CV, Chaney CS and Voight S, 2014. Early Permian fossil floras from the red beds of Prehistoric Trackways National Monument, Southern New Mexico. In: Lucas SG and DiMichele, WA (eds), Carboniferous - Permian Transition in the Robledo Mountains, Southern New Mexico New Mexico Museum of Natural History and Science Bulletin: published online.
Looy CV, Kerp H, Duijnstee IAP and DiMichele WA, 2014. The late Paleozoic ecological-evolutionary laboratory, a land-plant fossil record perspective. The Sedimentary Record 12 (4): 4-10.
Looy CV and Hotton CL, 2014. Spatiotemporal relationships among Late Pennsylvanian plant assemblages: paleobotanical evidence from the Markley Formation, West Texas, USA. Review of Palaeobotany and Palynology 211: 10-27.
Looy CV, van Hoof TB, Stevenson RA and Mander L, 2014. Evidence for coal forest refugia in the seasonally dry Pennsylvanian tropical lowlands of the Illinois Basin, USA. PeerJ 2: e630.
Looy CV and Stevenson RA, 2014. Earliest occurrence of autorotating seeds in conifers: the mid-Permian (Kungurian-Wordian) Manifera talaris sp. nov. International Journal of Plant Sciences 75: 841-854.
2013
Looy CV and Duijnstee IAP, 2013. Characterizing morphologic variability in foliated Paleozoic conifer branches - a first step in testing its potential as proxy for taxonomic position. In: Lucas SG, et al. (eds), The Carboniferous-Permian transition. New Mexico Museum of Natural History and Science Bulletin 60: 215-223.
Looy CV, 2013. Natural history of a plant trait: branch system abscission in Paleozoic conifers and its environmental, autecological and ecosystem implications. Paleobiology 39: 235-252.
Tabor NJ, Romanchock CM, Looy CV, Hotton C, DiMichele WA and Chaney DS, 2013. Biome dynamics and niche-conservatism of Late Pennsylvanian vegetation in western equatorial Pangaea In: Gąsiewicz, A and Słowakiewicz M (eds), Late Palaeozoic climate cycles: their evolutionary, sedimentological and economic impact. Journal of the Geological Society of London Special Publication 376: 201-234
2011
DiMichele WA, Looy CV and Chaney DS, 2011. A new genus of Gigantopterid from the Middle Permian of the United States and China and its relevance to the Gigantopterid concept. International Journal of Plant Sciences 172: 107-119.
Visscher H, Sephton MA and Looy CV, 2011. Fungal virulence at the time of the end-Permian biosphere crisis? Geology 39: 883-886.
2010
Prevec R, Gastaldo RA, Neveling J, Reid SB and Looy CV, 2010. An autochthonous glossopterid flora with latest Permian palynomorphs and its depositional setting in the Dicynodon Assemblage Zone of the southern Karoo Basin, South Africa. Palaeogeography, Palaeoclimatology, Palaeoecology 292: 391-408.
2009
Bennington JB, DiMichele B, Badgley C, Bambach RK, Barrett PM, Behrensmeyer AK, Bobe R, Burnham RJ, Daeschler EB, van Dam J, Eronen JT, Erwin DH, Finnegan S, Holland SM, Hunt G, Jablonki S, Jackson ST, Jacobs BF, Kidwell SM, Koch PL, Kowaleski MJ, Labandeira CC, Looy CV, Lyons K, Novack-Gottshall PM, Potts R, Roopnarine PD, Strömberg CAE, Sues HD, Wagner PJ, Wilf P and Wing SL, 2009. Critical issues of scale in paleoecology. Palaios 24: 1-4.
Falcon-Lang HJ, Nelson WJ, Elrick S, Looy CV, Ames PA and DiMichele WA, 2009. Incised channel fills containing conifers indicate that seasonally dry vegetation dominated Pennsylvanian tropical lowlands Geology 37: 923-926.
Prevec R, Labandeira CC, Neveling J, Looy CV, Bamford MK, Sims HJ and Gastaldo RA, 2009. Portrait of a Gondwanan ecosystem: a new Permian locality from Kwazulu-Natal, South Africa. Review of Palaeobotany and Palynology 156: 454-493.
Sephton MA, Visscher H, Looy CV, Verchovsky AB and Watson JS, 2009. Chemical consititution of a Permian-Triassic disaster species. Geology 37: 875-878.
2008
DiMichele WA, Tabor NJ, Kerp JHF and Looy CV, 2008. Revisiting the so-called "Paleophytic-Mesophytic" transition in equatorial Pangea: vegetational integrity and climatic tracking. Palaeogeography, Palaeoclimatology, Palaeoecology 268: 152-163.
2007
DiMichele WA, Chaney DS, Nelson J, Lucas SG, Looy CV, Quick K, Quick M and Jun W, 2007. A low diversity, seasonal tropical landscape dominated by conifers and peltasperms: Early Permian Abo Formation, New Mexico. Review of Palaeobotany and Palynology 145: 249-273.
Fenton S, Grice K, Twitchett RJ, Böttcher M, Looy CV and Nabbefield B, 2007. Changes in biomarker abundances and their stable carbon isotopes across the Permian-Triassic Schuchert Dal Section (East Greenland). Earth and Planetary Science Letters 262: 230-239.
Looy CV, 2007. Extending the range of derived Late Paleozoic conifers: Lebowskia gen. nov. (Majonicaceae). International Journal of Plant Sciences 168: 57-972.
2005
DiMichele WA, Van Konijnenburg-van Cittert JHA, Looy CV and Chaney DS, 2005. Equisetites from the Early Permian of North-Central Texas. In: Lucas SG and Zeigler KE (eds), The Non-marine Permian. New Mexico Museum of Natural History and Science Bulletin 30, 56-59.
Grice K, Twitchett RJ, Foster CB, Alexander R and Looy CV, 2005. A biomarker index for the Permian-Triassic ecological crisis. Earth and Planetary Science Letters 236: 315-321.
Looy CV, Collinson ME, Van Konijnenburg-van Cittert JHA and Visscher, H, 2005. The ultrastructure and botanical affinity of end-Permian spore tetrads. International Journal of Plant Sciences 166: 875-887.
Sephton MA, Looy CV, Brinkhuis H, Wignall, PW, De Leeuw JW and Visscher H, 2005. Catastrophic soil erosion during the end-Permian biotic crisis. Geology 33: 941-944.
Sephton MA, Looy CV, Visscher H, Brinkhuis H and De Leeuw JW, 2005. The combined petrographic and geochemical analysis of end Permian kerogens. In: Koeberl C and Henkel H (eds) Impact Tectonics, Springer, New York, pp. 467-478.
Watson JS, Sephton MA, Looy CV and Gilmour I, 2005. Oxygen-containing aromatic components in a Late Permian sediment. Organic Geochemistry 36(3), 371-384.
2004
Visscher H, Looy CV, Collinson ME, Brinkhuis H, Van Konijnenburg-van Cittert JHA, Kürschner WM and Sephton MA, 2004. Environmental mutagenesis during the end-Permian ecological crisis. Proceedings National Academy of Science, USA 101: 12952-12956.
2002
De Wit MJ, Ghosh JG, De Villiers S, Rakotosolofo N, Alexander J, Tripathi A and Looy CV, 2002. Multiple organic carbon isotope reversals across the Permo-Triassic boundary of terrestrial Gondwana sequences: clues to extinction patterns and delayed ecosystem recovery. Journal of Geology 110: 227-246.
Sephton MA, Looy CV, Veefkind RJ, Visscher H, Brinkhuis H and De Leeuw JW, 2002. Synchronous record of δ13C shifts in the oceans and atmosphere at the end of the Permian. Geological Society of America Special Paper 356: 455-462.
2001
Looy CV, Twitchett RJ, Dilcher DL, Van Konijnenburg-van Cittert JHA and Visscher H, 2001. Life in the end-Permian dead zone. Proceedings National Academy of Science, USA 98: 7879-7883.
Sephton MA, Veefkind RJ, Looy CV, Visscher H, Brinkhuis H and De Leeuw JW, 2001. Lateral variations in End-Permian organic matter in Northern Italy. In: Buffetaut E and Koeberl C (eds), Geological and Biological Effects of Impact Events, Springer Verlag, Berlin: 11-24.
Twitchett RJ, Looy CV, Morante R, Visscher H and Wignall PB, 2001. Rapid and synchronous collapse of marine and terrestrial ecosystems during the end-Permian mass extinction event. Geology 29: 351-354.
Visscher H, Kerp JHF, Clement-Westerhof JA and Looy CV, 2001. Permian floras of the Southern Alps. Natura Bresciana 25: 117-123.
2000
Looy CV, Van Konijnenburg-van Cittert JHA and Visscher H, 2000. On the ecological success of isoetalean lycopsids after the end-Permian biotic crisis. LPP Contributions Series 13: 63-70.
1999
Looy CV, Brugman WA, Dilcher DL and Visscher H, 1999. The delayed resurgence of forests after the Permian-Triassic ecologic crisis. Proceedings National Academy of Science, USA 96: 13857-13862.
Sephton MA, Looy CV, Veefkind RJ, Visscher H, Brinkhuis H and De Leeuw JW, 1999. Cyclic diaryl ethers in a Late Permian sediment. Organic Geochemistry 30: 267-273.
Visscher H, Kerp JHF, Clement-Westerhof JA and Looy CV, 1999. Permian vegetation in the Southern Alps. In: Cassinis G, Cortesogno L, Gaggero L, Massari F, Neri C, Nicosia U and Pittau P (eds), Stratigraphy and facies of the Permian deposits between eastern Lombardy and the western Dolomites, Earth Science Department Pavia, pp. 139-147.
1997
Poort R, Clement-Westerhof JA, Looy CV and Visscher H, 1997. Conifer extinction in Europe at the Permian-Triassic junction: morphology, ultrastructure and geographic-stratigraphic distribution of Nuskoisporites dulhuntyi (prepollen of Ortiseia, Walchiaceae). Review of Palaeobotany and Palynology 97: 9-39.
1996
Visscher H, Brinkhuis H, Dilcher DL, Elsik WC, Eshet Y., Looy CV, Rampino MR and Traverse A, 1996. The terminal Palaeozoic fungal event: evidence of terrestrial ecosystem destabilization and collapse. Proceedings National Academy of Science, USA 93: 2155-2158.
