Current Curriculum Vitae          Request PDF versions of articles          View Google Scholar page       

Outreach and Professional Websites/Apps Developed

Digital Atlas of Ancient Life App, 2015-present. Version 2 (free for iOS and Android) released November 2019.

Stigall, A.L. 2013-present. Atlas of Ordovician Life: Exploring the fauna of the Cincinnati Region.

Hendricks, J.R., Lieberman, B.S. & Stigall, A.L. 2013-present. The Digital Atlas of Ancient Life.

Stigall, A.L. 2016-present. IGCP 653: Onset of the Great Ordovician Biodiversification Event.

Books and Edited Volumes

Stigall, A.L., Edwards, C.T., Freeman, R.L. & Rasmussen, C.M.Ø. 2019. Special Issue: Across the Great Ordovician Biodiversification Event (GOBE): Advances in understanding the co-evolution Earth-life system from the late Cambrian through the Katian. Palaeogeography, Palaeoclimatology, Palaeoecology.  Available here.

Lieberman, B.S. & Stigall Rode, A.L., editors. 2005. Paleobiogeography: Generating New Insights into the Coevolution of the Earth and Its Biota. The Paleontological Society Papers, volume 11, 158 p.  Available here

Peer-reviewed Journal Articles and Book Chapters

(* indicates student author)


Stigall, A.L. 2023. A review of the Late Ordovician (Katian) Richmondian Invasion of eastern Laurentia. Palaeogeography, Palaeoclimatology, Palaeoecology.

Servais, T., Harper, D.A.T., Kröger, B., Scotese, C., Stigall. A.L., Zhen, Y.Y. 2023. Changing palaeobiogeography through the Ordovician. A Global Synthesis of the Ordovician System, Part 1. Geological Society, London, Special Publications, 532,

McLaughlin, P.I., Stigall. A.L. 2023. The Ordovician of the conterminous United States. A Global Synthesis of the Ordovician System, Part 2. Geological Society, London, Special Publications, 533,

*Forsythe, I.J., Stigall. A.L. 2023. Insights for modern invasion ecology from biotic changes of the Clarksville Phase of the Richmondian Invasion (Ordovician, Katian). Paleobiology, 49.

Hortal, J., Diniz-Filho, J.A.F., Low, M.E.Y., Stigall, A.L., Yeo, D.C.J. 2023. Alfred Russel Wallace’s legacy: An interdisciplinary conception of evolution in space and time. npj Biodiversity, 2: 3.


Hortal, J., Cabezla, M., Diniz-Filho, J.A.F., von der Heyden, S., Stigall, A.L., Yeo, D.C.J. 2022. Building a truly diverse biodiversity science. npj Biodiversity, 1: 2.

Gorneau, J.A., …..Stigall, A.L…..Espisito, L.A. (27 author team). 2022. Framing the future for monography: improving recognition, support, and access. Bulletin of the Society of Systematic Biologists, 1(1): Online.


*Purcell, C.K.Q., Stigall. A.L. 2021. Ecological niche evolution, speciation, and feedback loops: investigating factors promoting niche evolution in Ordovician brachiopods of eastern Laurentia. Palaeogeography, Palaeoclimatology, Palaeoecology, 578:110555. Online.

Dani, D.E., Stigall, A.L. 2021. Landslides: Using model-based inquiry to investigate local mass-wasting events. Science Scope, 44:46-55. Online

Paleontological Society Diversity & Inclusion Committee. 2021. Diversity, equity, and inclusion matter in paleontology.  Priscum, 26(1):1-4. (coordinating author role). Online


Antionetto, L.S., Park Boush, L. Plotnick, R.E., Stigall, A.L. 2020. Paleoecological aspects of western United States nonmarine ostracodes during the Eocene-Oligocene transition: the Early Oligocene faunas of the Renova Formation, southwestern Montana. Palaios, 35:164-174. Online

Stigall. A.L., Freeman, R.L., Edwards, C.T., and Rasmussen, C.M.Ø. 2020. A multidisciplinary perspective on the Great Ordovician Biodiversification Event and the development of the Paleozoic world. Palaeogeography, Palaeoclimatology, Palaeoecology, 543:109521. Online

Gallego, O.F., Monferran, M.D., Stigall, A.L., Zacarias, I.A., Hegna, T.A., Jiménez, V.C., Bittencourt, J., Li, G., Barrios Calathaki, H.G. 2020. The Devonian-Cretaceous fossil record of “conchostracans” of Africa and their paleobiogeographic relationships with other Gondwanan faunas. Journal of African Earth Sciences, 161:103648. Online


Stigall, A.L. 2019. The invasion hierarchy: ecological and evolutionary consequences of invasions in the fossil record. Annual Review of Ecology and Evolutionary Systematics, 50:355-380. Online (free to access)

Stigall. A.L., Edwards, C.T., Freeman, R.L., and Rasmussen, C.M.Ø. 2019. Coordinated biotic and abiotic change during the Great Ordovician Biodiversification Event: Darriwilian assembly of early Paleozoic building blocks. Palaeogeography, Palaeoclimatology, Palaeoecology, 350:249-270. Online

Stigall, A.L., Fine, R. 2019. Contrasting ecosystem impacts of biotic invasions in the Type Cincinnatian Series (Late Ordovician, Katian). Palaeoworld, 18:166-172. Online


*Perera, S.N. & Stigall, A.L. 2018. Identifying hierarchical spatial patterns within paleocommunities: An example from the Late Pennsylvanian Ames Limestone of the Appalachian basin. Palaeogeography, Palaeoclimatology, Palaeoecology, 506:1-11. Online

*Epa, Y.R., Stigall, A.L., Roberts, E.M., O’Brien, H. & Stevens, N.J. 2018. Morphological diversification of ampullariid gastropods (Nsungwe Formation, late Oligocene, Rukwa Rift Basin) is coincident with onset of East African rifting. Papers in Palaeontology, 4:327-348.  Online

*Trubovitz, S. & Stigall, A.L. 2018. Ecological revolution of Oklahoma’s rhynchonelliform brachiopod fauna during the Great Ordovician Biodiversification Event. Lethaia, 51: 277-286. Online

Stigall, A.L. 2018. How is biodiversity produced? Examining speciation processes during the Great Ordovician Biodiversification Event. Lethaia, 51: 165-172. Online

Nylin, S., Agosta, S., Bensch, S., Boeger, W.A., Braga, M.P., Brooks, D.R., Forister, M.L., Hambäck, P.A., Hoberg, E.P., Nyman, T., Schäpers, A., Stigall, A.L., Wheat, C.W., Österling, M. & Janz, N. 2018. Embracing Colonizations: A New Paradigm for Species Association Dynamics. Trends in Ecology & Evolution, 33: 4-14. Online

*Lam, A.R., Stigall, A.L. & Matzke, N.J. 2018. Dispersal in the Ordovician: Speciation patterns and paleobiogeographic analyses of brachiopods and trilobites. Palaeogeography, Palaeoclimatology, Palaeoecology, 489: 147-165. Online


Stigall. A.L. 2017. Ordovician oxygen and biodiversity.  Nature Geoscience, 10: 887-888.  Online

Stigall, A.L. 2017. Response by Alycia L. Stigall for the presentation of the 2016 Schuchert Award for the Paleontological Society. Journal of Paleontology, 91: 1354-1355. Online

Stigall, A.L., Plotnick, R.E. & Park Boush, L.E. 2017. The first Cenozoic spinicaudatans from North America. Journal of Paleontology, 91: 467-476. Online

Stigall, A.L., *Bauer, J.E., *Lam, A.L. & *Wright, D.A. 2017. Biotic immigration events, speciation, and the accumulation of biodiversity in deep time. Global and Planetary Change, 148: 242-257. Online


Dawson, M.N., Axmacher, J.C., Beierkuhnlein, C., Blois, J., Bradley, B., Cord, A.F., Dengler, J., He, K.S., Heaney, L.R., Jansson, R., Mahecha, M.D., Myers, C.E., Nogués-Bravo, D., Papadopoulo, A., Reu, B., Rodgríguez-Sánchez, F., Steinbauer, M., Stigall, A.L., Tuanmu, M-N. & Gavin, D.G. 2016. A Second Horizon Scan of Biogeography: Golden Ages, Midas Touches, and the Red Queen. Frontiers in Biogeography, 8(4), e29770. Online

*Bauer, J.E. & Stigall, A.L. 2016. A combined morphometric and phylogenetic revision of the Late Ordovician brachiopod genera Eochonetes and Thaerodonta. Journal of Paleontology, 90 (5): 888-909. Online

Stigall, A.L. 2016. Invasive species and speciation, p. 340-365. In Allmon, W. and Yaccobucci, M.M., Species in the Fossil Record. Chicago University Press. Publisher link.

*Trubovitz, S. & Stigall, A.L. 2016.  Synchronous diversification of Laurentian and Baltic rhynchonnelliform brachiopods: Implications for regional versus global triggers of the Great Ordovician Biodiversification Event. Geology, 44(9): 743-746. Online (link provides free access through 9/18)


Stigall, A.L., Dani, D.E., Sickel, A.J. & Helfrich, S.A. 2015. Tried and True: Using observations of fossils to reconstruct ancient environments. Science Scope, 39(2): 10-16. Online

Hendricks, J.R., Stigall, A.L. & Lieberman, B.S. 2015. The Digital Atlas of Ancient Life: delivering information on paleontology and biogeography via the web. Palaeontologia Electronica 18.2.3E: 1–9 Open Access

Gierlowski-Kordesch, E.H., *Weismiller, H.C., Stigall, A.L. & Hembree, D.I. 2015. Pedogenic mud aggregates and sedimentation patterns between basalt flows (Jurassic Kalkrand Formation, Namibia).   In Larsen, D., Egenhoff, S.O., and Fishman, N. (eds). Paying Attention to Mudstones – Priceless! Geological Society of America, Special Papers, 515: 65-86. Online

Stigall, A.L. 2015. Expanding the role of biogeography and niche evolution in macroevolutionary theory, 301-327. In Serrelli, E. & Gontier, N. (eds), Macroevolution: Explanation, Interpretation, and Evidence. Springer: Interdisciplinary Evolution Research series. Online

Myers, C.E., Stigall, A.L. & Lieberman, B.S. 2015. PaleoENM: applying ecological niche modeling to the fossil record. Paleobiology, 41: 226-244. Online  Supplemental materials: Open Access on Dryad

*Lam, A.R. & Stigall, A.L. 2015. Pathways and mechanisms of Late Ordovician (Cincinnatian) faunal migrations of Laurentia and Baltica. Estonian Journal of Earth Sciences, 64(1): 62-67. Open Access  Supplemental materials: Open Access on figshare 


*Bauer, J.E. & Stigall, A.L. 2014. Phylogenetic paleobiogeography of Late Ordovician Laurentian brachiopods. Estonian Journal of Earth Sciences, 63(4): 189-194. Open Access  Supplemental materials: Open Access on figshare

Stigall, A.L., *Bauer, J.E. & *Brame, H-M.R. 2014. The Digital Atlas of Ordovician Life: Digitizing and mobilizing data for paleontologists and the public. Estonian Journal of Earth Sciences, 63(4): 312-316. Open Access

Stigall, A.L. 2014. When and how do species achieve niche stability over long time scales? Ecography, 37: 1123-1132. Online

Plotnick, R., Stigall, A.L. *Stefanescu, I. 2014. Evolution of Paleontology: Long-term gender trends in an Earth Science discipline. GSA Today, 24(11): 44-45. Open Access

*Wright, D.F. & Stigall, A.L. 2014. Species-level phylogenetic revision of the orthide brachiopod Glyptorthis from North America. Journal of Systematic Palaeontology, 12: 893-906. Online

Gavin, D.G., Fitzpatrick, M.C., Gugger, P.F., Heath, K.D., Rodriguez-Sanchez, F., Dobrowski, S.Z., Hampte, A., Hu, F.S., Ashcroft, M.B., Bartlein, P.J., Blois, J.L., Cartstens, B.C., Davis, E.B., de Lafontaine, G., Edwards, M.E., Fernandez, M., Henne, P.D., Herring, E.M., Holden, Z.A., Kong, W-S., Liu, J., Magri, D., Matzke, N.J., McGlone, M.S., Saltré, F., Stigall, A.L., Tsai, Y-H.E. & Williams, J.W. 2014. Climate refugia: Using fossils, genetics, and spatial modeling to explain the past and project the future of biodiversity. New Phytologist, 204: 37-54. Open Access

Stigall, A.L. *Brame, H-M.R. 2014. Relating environmental change and species stability in Late Ordovician seas. GFF: A Scandinavia Journal of Earth Sciences, 136: 249-253. Open Access

Stigall, A.L., Hembree, D.I., Gierlowski-Kordesch, E.H. & *Weismiller, H.C. 2014. Evidence for a dioecious mating system in Early Jurassic Hardapestheria maxwelli gen. et sp. nov. (Crustacea, Branchiopoda, Spinicaudata) from the Kalkrand Formation of Namibia. Palaeontology, 57: 127-140. Online

*Brame, H-M.R. & Stigall, A.L. 2014. Controls on niche stability in geologic time: Congruent responses to biotic and abiotic environmental changes among Cincinnatian (Late Ordovician) marine invertebrates. Paleobiology, 40(1): 70-90. Online


*Wright, D.F. & Stigall, A.L. 2013. Phylogenetic revision of the Late Ordovician orthid brachiopod genera Plaesiomys and Hebertella from North America. Journal of Paleontology, 87(6): 1107-1128. Online

Stigall, A.L. 2013. Analyzing links between biogeography, niche stability, and speciation: The impact of complex feedbacks on macroevolutionary patterns. Palaeontology, 56(6): 1225-1238. Online

Dawson, M.N., Algar, A.C., Antonelli, A., Dávalos, L.M., David, E., Early, R., Guisan, A., Jansson, R., Lessard, J.-P., Marske, K.A., McGuire, J., Stigall, A.L., Swenson, N.G., Zimmerman, N.E. & Gavin, D.G. 2013. An horizon scan of biogeography. Frontiers of Biogeography, 5(2): 130-158. Open Access

*Wright, D.F. & Stigall, A.L. 2013. Geologic drivers of Late Ordovician faunal change in Laurentia: investigating links between tectonics, speciation, and biotic invasions. PLoS One, 8(7): e68353. Open Access


Stigall, A.L. 2012. Invasive species and evolution. Evolution: Education and Outreach, 5: 526-533. Open Access

*Walls, B.J. & Stigall, A.L. 2012. A field based analysis of the accuracy of niche models applied to the fossil record. Paleontological Contributions, 6: 1-12. Open Access

Stigall, A.L. 2012. Using ecological niche modeling to evaluate niche stability in deep time. Journal of Biogeography, 39: 772-781. Online

Stigall, A.L. 2012. Speciation collapse and invasive species dynamics during the Late Devonian “Mass Extinction” GSA Today, 22(1): 4-10. Online


*Malizia, R.W. & Stigall, A.L. 2011. Niche stability in Late Ordovician articulated brachiopod species before, during, and after the Richmondian Invasion. Palaeogeography, Palaeoclimatology, Palaeoecology, 311: 154-170. Online

Stigall, A.L. 2011. Application of niche modeling to analyze biogeographic patterns in Palaeozoic brachiopods: Evaluating niche stability in deep time. Memoirs of the Association of Australasian Palaeontologists. 41: 229-255. PDF

Stigall, A.L. 2011. Integrating GIS and phylogenetic biogeography to assess species-level biogeographic patterns: A case study of Late Devonian faunal dynamics, p. 113-140. In P. Upchurch, A. McGowan, and C. Slater, (eds.), Palaeogeography and Palaeobiogeography: Biodiversity in Space and Time. CRC Press, London. Open Access

*Walls, B.J. & Stigall, A.L. 2011. Analyzing niche stability and biogeography of Late Ordovician brachiopod species using ecological niche modeling. Palaeogeography, Palaeoclimatology, Palaeoecology, 299: 15-29. Online


Stigall, A.L. 2010. Invasive species and biodiversity crises: Testing the link in the Late Devonian. PLoS ONE, 5(12): e15584. Open Access

*Dudei, N.L. & Stigall, A.L. 2010. Using ecological niche modeling to assess biogeographic and niche response of brachiopod species to the Richmondian Invasion (Late Ordovician) in the Cincinnati Arch. Palaeogeography, Palaeoclimatology, Palaeoecology, 296: 28-47. Online

Mapes, R.H., Hembree, D.I., *Rasor, B.E., Stigall, A.L., Goiran, C. & deForges, B.R. 2010. Modern Nautilus (Cephalopoda) taphonomy and in a subtidal to backshore environment, Lifou (Loyalty Islands). Palaios, 25: 656-670. Online

Stigall, A.L. 2010. Using GIS to assess the biogeographic impact of species invasions on native brachiopods during the Richmondian Invasion in the Type-Cincinnatian (Late Ordovician, Cincinnati region). Palaeontologia Electronica, 13: 5A, 19 p. Online


*Maguire, K.C. & Stigall, A.L. 2009. Using ecological niche modeling for quantitative biogeographic analysis: a case study of Miocene and Pliocene Equinae in the Great Plains. Paleobiology, 35: 587-611. Online


Stigall, A.L. 2008. Tracking species in space and time: Assessing the relationships between paleobiogeography, paleoecology, and macroevolution. The Paleontological Society Papers, 14:227-242. PDF

Stigall, A.L. 2008. Bicarinellata a new name for Bicarinella Rode, Lieberman, and Rowell 2003 (Arthopoda, Bradoriida) preoccupied by Bicarinella Waterhouse 1966 (Mollusca, Gastropoda) and Bicarinella Akopyan 1976 (Mollusca, Gastropoda). Journal of Paleontology, 82(6): 1219. Online

*Maguire, K.C. & Stigall, A.L. 2008. Paleobiogeography of Miocene Equinae of North America: A phylogenetic biogeographic analysis of the relative roles of climate, vicariance, and dispersal. Palaeogeography, Palaeoclimatology, Palaeoecology, 267: 175-184. Online

Stigall, A.L. & Hartman, J.H. 2008. A new spinicaudatan genus (Crustacea: “Conchostraca”) from the Late Cretaceous of Madagascar. Palaeontology, 51(5): 1053-1067. Online

Hendricks, J.R., Lieberman, B.S. & Stigall, A.L. 2008. Using GIS to study the paleobiogeographic and macroevolutionary patterns in soft-bodied Cambrian arthropods. Palaeogeography, Palaeoclimatology, Palaeoecology, 264:163-175. Online

Stigall, A.L., Babcock, L.E., Briggs, D.E.G. & Leslie, S.A. 2008. Taphonomy of lacustrine interbeds in the Kirkpatrick Basalt (Jurassic), Antarctica. Palaios, 23(4): 344-355. Online


Stigall, A.L. & Hendricks, J.R. 2007. First report of a concavicarid interior (Crustacea: Thylacocephala) from the Devonian of North America. Northeastern Geology and Environmental Science, 29(2), 102-106. PDF


Babcock, L.E., Stigall, A.L., Leslie, S.A., *Ford, L.A., Elliott, D. & Briggs, D.E.G. 2006. The “Preservation Paradox”: Microbes as a Key to Exceptional Fossil Preservation in the Kirkpatrick Basalt (Jurassic), Antarctica. The Sedimentary Record, 4(4): 4-8. PDF

Stigall, A.L. & Lieberman, B.S. 2006. Quantitative Paleobiogeography: GIS, Phylogenetic Biogeographic Analysis, and Conservation Insights. Journal of Biogeography, 33 (12): 2051-2060. Online

2005 and earlier   

(Last name was previously Rode)

Lieberman, B.S. & Stigall Rode, A.L. 2005. Paleobiogeography: tracking the coevolution of the Earth and its biota. The Paleontological Society Papers, 11: 1-3. PDF

Stigall Rode, A.L. 2005. The application of Geographic Information Systems to paleobiogeography: Implications for the study of invasions and mass extinctions. The Paleontological Society Papers, 11: 77-88. PDF

Stigall Rode, A.L. & Lieberman, B.S. 2005. Using environmental niche modelling to study the Late Devonian biodiversity crisis, p. 93-180. In D. J. Over, J. R. Morrow & P.B. Wignall (eds.), Understanding Late Devonian and Permian-Triassic Biotic and Climatic Events: Towards an Integrated Approach. Developments in Palaeontology and Stratigraphy, Elsevier, Amsterdam. PDF

Stigall Rode, A.L. & Lieberman, B.S. 2005. Paleobiogeographic patterns in the Middle and Late Devonian emphasizing Laurentia. Palaeogeography, Palaeoclimatology, Palaeoecology, 222 (3-4): 272-284. Online

Stigall Rode, A.L. 2005. Systematic revision of the Devonian brachiopods Schizophoria (Schizophoria) and “Schuchertella” from North America. Journal of Systematic Palaeontology, 3(2): 133-167. Online

Rode, A.L. & Lieberman, B.S. 2005. Integrating biogeography and evolution using phylogenetics and PaleoGIS: A case study involving Devonian crustaceans. Journal of Paleontology, 79(2): 267-276. Online

Rode, A.L. & Lieberman, B.S. 2004. Using GIS to unlock the interactions between biogeography, environment, and evolution in Middle and Late Devonian brachiopods and bivalves. Palaeogeography, Palaeoclimatology, Palaeogeography, 211(3-4): 345-359. Online

Rode, A.L. 2004. Phylogenetic revision of the Devonian bivalve, Leptodesma (Leiopteria). Yale University Postilla, 229: 1-26. Online

Rode, A.L., Lieberman, B.S. & Rowell, A.J. 2003. A new Early Cambrian bradoriid (Arthropoda) from East Antarctica. Journal of Paleontology, 77(4): 693-699. Online

Rode, A.L. & Babcock, L.E. 2003. Phylogeny of freshwater crayfish and some related lobster groups. Journal of Crustacean Biology, 23(2): 418-435. Online

Rode, A.L. & Lieberman, B.S. 2002. Phylogenetic and biogeographic analysis of Devonian phyllocarid crustaceans. Journal of Paleontology, 76(2): 269-284. Online