Peer-reviewed Publications
updated Oct-28-2026N = 34 (+3)In progress
(* = undergraduate author)
Cannizzaro, A. G., Lange, C. J., & Berg, D. J. (submitted). Before the spring falls silent: A new species of critically imperiled freshwater amphipod (Amphipoda: Hyalellidae) from an isolated spring in Nevada suggests freshwater conservation concerns across the Great Basin. Journal of Crustacean Biology.
Cannizzaro, A. G., Lieb, D. A., Çelikbaş, B., & Sawicki, T. R. (submitted). The Big Striped Beast: An unexpected new species of freshwater Gammarus (Amphipoda: Gammaridae) from Cumberland County, Pennsylvania. Journal of Crustacean Biology.
Cannizzaro, A. G., & Sawicki, T. R. & Berg, D. J. (submitted). Small size, big patterns: Hierarchical classification reveals unique continental patterns of diversity in Nearctic amphipods. Journal of Biogeography.
2026
Reis, G. O., González, E. R., Araujo, P. B., Cardoso, G. M., Castiglioni, D. S., Isa-Miranda, Á. V., Peralta, M., Marrón-Becerra, A., Cannizzaro, A. G., Sobral, C. S.R., & Bueno, A. AP. (in press). An overview of the genus Hyalella Smith, 1874 (Amphipoda, Hyalellidae): progress and future perspectives. Diversity, 18: 660. https://doi.org/10.3390/d18110660 [open access]
Sawicki, T. R., Cannizzaro, A. G., & Sisco, J. M. (2026). Assessing the small nuclear ribosomal subunit (18S rRNA) as a barcoding gene for Amphipoda (Crustacea: Malacostraca) along with the design of a unique primer set to target the amphipod 18S rRNA gene. Biology. 15, 1752. https://doi.org/10.3390/biology15191752 [open access]
Cannizzaro, A. G., Lange, C. J., & Berg, D. J. (2026). Resurrection and redescription of Hyalella fluvialis (Harford, 1877) (Amphipoda: Hyalellidae), with notes on its distribution and conservation. Zootaxa. 5862: 127-144. https://doi.org/10.11646/zootaxa.5862.1.5 [open access]
Cannizzaro, A. G., Sawicki, T. R., Schaefer, J., Castrillo, D., Maxwell, E. C., Culver, D. C., & Niemiller, N. L. (2026). Two new species of Stygobromus Cope, 1872 (Amphipoda: Crangonyctidae) amphipods from hypotelminorheic seepage springs in the Washington, D.C., USA area. Subterranean Biology. 57: 23-63. https://doi.org/10.3897/subtbiol.57.188080 [request pdf]
Cannizzaro, A. G., Sawicki, T. R., Lieb, D. A., & Berg, D. J. (2026). Secrets of the spring-keepers: phylogeographic analyses of a freshwater amphipod uncover dispersal pathways in eastern North America. Journal of Biogeography. 53, e70227. https://doi.org/10.1111/jbi.70227. [open access]
Coppock, N. H., Cannizzaro, A. G., Grant, K. D., & Sawicki, T. R. (2026). The Florida Peninsula as an Engine of Estuarine Evolution: Insights from Gammarus daiberi (Crustacea: Amphipoda). Journal of Biogeography. 53: e70130. https://doi.org/10.1155/jzs/9912359 [request pdf]
2025
(* = undergraduate author)
Cannizzaro, A. G., Lange, C. J., & Berg, D. J. (2025). Gateways to the underworld: molecular phylogenetic analyses identify patterns of groundwater fauna and two new species of hypogean Hyalella Smith, 1874 (Amphipoda: Hyalellidae) from the northern Mojave Desert. Subterranean Biology. 54: 35–68. https://doi.org/10.3897/subtbiol.54.168846 [open access]
Cannizzaro, A. G., & Berg, D. J. (2025) Shallow waters, deep divergence: epigean amphipods utilize shallow subterranean habitats in the Western Allegheny Plateau. Journal of Zoological Systematics and Evolutionary Research. 2025: 9912359. https://doi.org/10.1155/jzs/9912359 [open access]
Cannizzaro, A. G., & Berg, D. J. (2025) Brooding phylogenomics: A target-capture probe set for the analysis of ultraconserved elements in the Peracarida. Molecular Ecology Resources. 26: e70078 https://doi.org/10.1111/1755-0998.70078 [open access]
Cannizzaro, A. G., Lange, C. J., & Berg, D. J. (2025) Clarification of the Hyalella azteca (Saussure, 1858) complex, with a redescription of Hyalella dentata Smith, 1874 and an updated key to North American species of the genus (Amphipoda: Hyalellidae). Journal of Crustacean Biology. 45: ruaf054. https://doi.org/10.1093/jcbiol/ruaf054 [request pdf]
Cannizzaro, A. G., & Berg, D. J. (2025) Redescriptions have consequences: biogeographic and conservation insights from the redescription of a widespread freshwater amphipod (Amphipoda, Gammaridae). Zoosystematics and Evolution. 101: 1887–1909. https://doi.org/10.3897/zse.101.161784 [open access]
Ascanio, A., Louis, B.*, Cannizzaro, A. G., Fitzgerald, V., Bracken, J. T., Rodenhouse, N. L., Crist, T. O., & Jezkova, T. (2025) Multigenerational emergence trends of Brood X Magicicada spp. across habitat types in Southwest Ohio. Ecosphere. 16: e7037. https://doi.org/10.1002/ecs2.70377 [open access]
Sawicki, T. R., & Cannizzaro, A. G. (2025) Florida man exonerated: an amphipod case study on the implications of cryptic species complex and global invasions. Biological Invasions. 27: 189. https://doi.org/10.1007/s10530-025-03644-y [request pdf]
Cannizzaro, A. G., Lange, C. J., & Berg, D. J. (2025) A new species of Hyalella (Amphipoda: Hyalellidae) from a unique thermal-spring habitat, Journal of Crustacean Biology. 45: ruaf004. https://doi.org/10.1093/jcbiol/ruaf004 [request pdf]
Tomoyasu, K.*, Cannizzaro, A. G., & Berg, D. J. (2025) Unexpected pathway for intercontinental movement into the Nearctic revealed by phylogenetic analyses. Zoologica Scripta. 54: 562–574. https://doi.org/10.1111/zsc.12717 [open access]
Cannizzaro, A. G., & Berg, D. J. (2025) Oligocene odyssey: molecular phylogenetic analyses describe the origin and diversification of freshwater Gammarus in eastern North America. Journal of Biogeography. 52: e15081. https://doi.org/10.1111/jbi.15081 [open access]
2024
(* = undergraduate author)
Samsa, Z.*, Yox, C.*, Cannizzaro, A. G., & Berg, D. J. (2024) Slater swap: taxonomic analyses modify distributions of two species of Lirceus Rafinesque, 1820 (Isopoda: Asellidae) and identify a new species from central Ohio, USA. Journal of Crustacean Biology 44: ruae065. https://doi.org/10.1093/jcbiol/ruae065 [request pdf]
Cannizzaro, A. G., & Berg, D. J. (2024) Molecular phylogenetic analyses reveal a radiation of freshwater Gammarus (Amphipoda: Gammaridae) in the northern Chihuahuan Desert. Zoological Journal of the Linnean Society 202: zlae108. https://doi.org/10.1093/zoolinnean/zlae108 [request pdf]
Smith, L., Long, R. A., Cannizzaro, A. G., & Sawicki. T. R. (2024) Vicariance and cryptic diversity revealed by molecular phylogenetic analyses of estuarine Gammarus species (Crustacea: Amphipoda) due to formation of the Labrador Current. Invertebrate Systematics 38: IS24003. https://doi.org/10.1071/IS24003 [request pdf]
Niemiller, M. L., Cannizzaro, A. G., Sawicki, T. R., & Culver, D. C. (2024) A new species of Stygobromus Cope, 1872 (Amphipoda: Crangonyctidae) from a hypotelminorheic seepage spring in Washington D.C., USA. Subterranean Biology 48: 117–146. https://doi.org/10.3897/subtbiol.48.112984 [open access]
2023
Cannizzaro, A. G., Lange, C. J., & Berg, D. J. (2023) A new species of stygobitic Hyalella Smith, 1874 (Amphipoda: Hyalellidae) from Ash Meadows National Wildlife Refuge, Nevada, USA, with discussion of the unique presence of the species in the Nearctic groundwater fauna. Journal of Crustacean Biology 43: ruad073. https://doi.org/10.1093/jcbiol/ruad073 [request pdf]
2022
Cannizzaro, A. G., Sisco, J. M., & Sawicki, T. R. (2022) Reappraisal of the Crangonyx floridanus species complex, with the description of a new species of Crangonyx Bate, 1859 (Amphipoda: Crangonyctidae) from northern Florida, USA. Journal of Crustacean Biology 42: ruac027. https://doi.org/10.1093/jcbiol/ruac027 [request pdf]
Cannizzaro, A. G., & Berg, D. J. (2022) Gone with Gondwana: amphipod diversification in freshwaters followed the breakup of the supercontinent. Molecular Phylogenetics and Evolution 171: 107464. https://doi.org/10.1016/j.ympev.2022.107464 [request pdf]
Hou, Z., Jin, P-Y., Hongguang., Qiao, H., Sket, B., Cannizzaro, A. G., Berg, D. J., & Li, S. (2022) Past climate cooling promoted global dispersal of amphipods from Tian Shan montane lakes to circumboreal lakes. Global Change Biology 28: 3830–3845. https://doi.org/10.1111/gcb.16160 [request pdf]
Cannizzaro, A. G., Daniels, J., & Berg, D. J. (2022) Phylogenetic analyses of a new freshwater amphipod reveal polyphyly within the Holarctic family Crangonyctidae, with revision of the genus Synurella and discussion of phylogeography. Zoological Journal of the Linnean Society 195: 1100–1115. https://doi.org/10.1093/zoolinnean/zlab092
2021
Walters, A. D., Cannizzaro, A. G., Trujillo, D. A. & Berg, D. J. (2021) Addressing the Linnean shortfall in cryptic species: a case study of the Gammarus lacustris complex in the northern Chihuahuan Desert. Zoological Journal of the Linnean Society 192: 277–305. https://doi.org/10.1093/zoolinnean/zlaa099
2020
Cannizzaro, A. G., Gibson, J. R., & Sawicki, T. R. (2020) A new enigmatic genus of subterranean amphipod (Amphipoda: Bogidielloidea) from Terrell County, Texas, with the establishment of Parabogidiellidae fam. nov. and notes on the family Bogidiellidae. Invertebrate Systematics 34: 504—518. https://doi.org/10.1071/IS19061 [request pdf]
Cannizzaro, A. G., Balding, D., Lazo-Wasem, E. A. & Sawicki, T. R. (2020) A new species rises from beneath Florida: molecular phylogenetic analyses reveal cryptic diversity among the metapopulation of Crangonyx hobbsi Shoemaker, 1941 (Amphipoda: Crangonyctidae). Organisms Diversity and Evolution 20: 387–404. https://doi.org/10.1007/s13127-020-00433-4 [request pdf]
2019
Cannizzaro, A. G., & Sawicki, T. R. (2019) Two new species of the genus Crangonyx Bate, 1859 (Amphipoda: Crangonyctidae) from the St. Marks River Basin with notes on the “Crangonyx floridanus complex”. Zootaxa. 4691: 301–332. https://doi.org/10.11646/zootaxa.4691.4.1 [request pdf]
Cannizzaro, A. G., Balding, D., Lazo-Wasem, E. A. & Sawicki, T. R. (2019) A redescription of Hobb’s cave amphipod Crangonyx hobbsi Shoemaker, 1941 (Amphipoda: Senticaudata: Crangonyctidae) including genetic sequence data for mitochondrial and nuclear genes and notes on its ecology. Proceedings of the Biological Society of Washington 132: 73–95. https://doi.org/10.2988/19-00004 [request pdf]
Cannizzaro, A. G., Balding, D., Stine, M. & Sawicki, T. R. (2019) A new syntopic species of Stygobromus Cope, 1872 (Amphipoda: Crangonyctidae) from the Dougherty Karst Plain; with notes on Stygobromus floridanus Holsinger & Sawicki, 2016. Journal of Crustacean Biology 39: 407–418. https://doi.org/10.1093/jcbiol/ruz034 [request pdf]
Cannizzaro, A. G., Balding, D., Lazo-Wasem, E. A. & Sawicki, T. R. (2019) Morphological and molecular analyses reveal a new species of stygobitic amphipod in the genus Crangonyx (Crustacea: Crangonyctidae) from Jackson County, Florida, with a redescription of Crangonyx floridanus and notes on its taxonomy and biogeography. Journal of Natural History 53: 425–473. https://doi.org/10.1080/00222933.2019.1584341 [request pdf]
2018 - 2017
Cannizzaro, A. G., Balding, D., Lazo-Wasem, E. A. & Sawicki, T. R. (2018) A Redescription of the Stygobitic Amphipod Crangonyx grandimanus (Amphipoda: Crangonyctidae) Including Phylogenetically Significant Sequence Data for Mitochondrial and Nuclear Genes. Bulletin of the Yale Peabody Museum 59: 109–125. https://doi.org/10.3374/014.059.0202 [request pdf]
Cannizzaro, A. G., Walters, A. D., & Berg, D. J. (2017) A new species of freshwater Gammarus Fabiricus, 1775 (Amphipoda: Gammaridae) from a desert spring in Texas, with a key to the species of the genus Gammarus from North America. Journal of Crustacean Biology, 37: 709–722. https://doi.org/10.1093/jcbiol/rux088