Roger F. Thoma

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Roger F. Thoma, U.S. carcinologist.

Midwest Biodiversity Institute, 4673 Northwest Parkway, Hilliard, Ohio, 43026 USA.

Taxon names authored

(List may be incomplete)

0 taxon names authored by Roger F. Thoma, plus:

Cambarus jezerinaci

Publications

(List may be incomplete)

1999

Thoma, R. F. and Raymond F. Jezerinac. 1999. The Taxonomic Status and zoogeography of Cambarus bartonii carinirostris Hay, 1914 (Crustacea: Decapoda: Cambaridae). Proceedings of the Biological Society of Washington. 112(1):97-105.

2000

Thoma, R. F.. 2000. Cambarus (Jugicambarus) jezerinaci (Crustacea: Decapoda: Cambaridae) a new species of crayfish from the Powell River drainage of Tennessee and Virginia. Proceedings of the Biological Society of Washington. 113(3):731-738.

2001

Thoma, R. F. and Raymond F. Jezerinac. 2001. Ohio crayfish and shrimp Atlas. Ohio Biological Survey Miscellaneous Contribution No. 7. iv+28p. 25 figs.

2005

Thoma, R. F., R. F. Jezerinac and T.P. Simon. 2005. Cambarus (Tubericambarus) polychromatus (Decapoda: Cambaridae), a new species of crayfish from the United States. Proceedings of the Biological Society of Washington. 118(2):326-336.
Thoma, R. F.. 2005. Cambarus (Cambarus) eeseeohensis (Decapoda: Cambaridae), a new species of crayfish from the Linville River of North Carolina and its Bearing on Understanding the Evolution of the Subgenus Cambarus. Proceedings of the Biological Society of Washington. 118(4):794-802.

2006

Simon, T.P. and Thoma, R. F.. 2006. Conservation of Imperiled Crayfish – Orconectes (Faxonius) indianensis Hay (Decapoda: Cambaridae). Journal of Crustacean Biology, 26(3):436-440.
Simon, T.P. and Thoma, R. F.. 2006. Native and Alien Distributions of Crayfish Assemblages in Drowned River Mouth Coastal Wetlands of Lake Michigan, in Coastal Wetlands of the Laurentian Great Lakes: Health, Habitat, and Indicators. T.P. Simon & P.A. Stewart eds. Author House, Bloomington, IN. Pp 375-382.

2007

Taylor, C. A., G. A. Schuster, J. E. Cooper, R. J. DiStefano, A. G. Eversole, P. Hamr, H. H. Hobbs III, H. W, Robison, C. E. Skelton, Thoma, R. F.. 2007. A Reassessment of the Conservation Status of Crayfishes of the United States and Canada after 10+ Years of Increased Awareness. Fisheries 32(8):372-389.

2009

Thoma, R. F. and G.W. Stocker. 2009. Orconectes (Procericambarus) raymondi (Decapoda: Cambaridae) a new species of crayfish from unglaciated southern Ohio. Proceedings of the Biological Society of Washington. 122(4): 405-413.

2011

Thoma, R. F. 2011. Cambarus (Tubericambarus) stockeri (Decapoda: Cambaridae) a new species of plesiomorphic Cambarus from Georgia and Tennessee with Zoogeographic affinities to Cambarus (Depressicambarus) cymatilis. The Proceedings of the Biological Society of Washington. 124(4):318-325.

2014

Thoma, R.F., Loughman, Z.J. & Fetzner, J.W. Jr. 2014. Cambarus (Puncticambarus) callainus, a new species of crayfish (Decapoda: Cambaridae) from the Big Sandy River basin in Kentucky, Virginia, and West Virginia, USA. Zootaxa 3900(4): 541–554. DOI: 10.11646/zootaxa.3900.4.5 Reference page.

2015

Richman NI et al . 2015. Multiple drivers of decline in the global status of freshwater crayfish (Decapoda: Astacidea). Phil. Trans. R. Soc. B 370 : 20140060. http://dx.doi.org/10.1098/rstb.2014.0060
Thoma, R. F. and J.W. Fetzner. 2015. Cambarus (Jugicambarus) magerae (Decapoda: Cambaridae) a new species of crayfish from Virginia. Proceedings of the Biological Society of Washington. 128(1):000–000.
Thoma, R. F.. 2015. The crayfish fauna of Canada and The United States (North America). In Freshwater Crayfish: Global Review. Eds. T. Kawai, Z. Faulkes, and G. Scholtz. Science Publishers.
Z.J. Loughman, S.A. Welsh, Template:James W. Fetzner Jr, and Thoma, R. F. 2015. Conservation of imperiled crayfish, Cambarus veteranus (Decapoda: Reptania: Cambaridae). Journal of Crustacean Biology, 00(0), 1-11,
Loughman, Z.J., Thoma, R.F., Fetzner, J.W. & Stocker, G.W. 2015: Cambarus (Jugicambarus) pauleyi, a new species of crayfish (Decapoda: Cambaridae) endemic to southcentral West Virginia, USA, with a re-description of Cambarus (J.) dubius. Zootaxa 3980(4): 526–546. DOI: 10.11646/zootaxa.3980.4.4. Preview (PDF) Reference page.

2016

R.F. Thoma. 2016. A key to the crayfish of the North American genus Cambarus. In Thorp and Covich's Freshwater Invertebrates, Fourth Edition Volume II – Keys to Nearctic Fauna. Eds. J.H. Thorp and D.C. Rogers. Elsevier Publishing Co.
Thoma, R.F., Fetzner, J.W., Jr., Stocker, G.W. & Loughman, Z.J. 2016. Cambarus (Jugicambarus) adustus, a new species of crayfish from northeastern Kentucky delimited from the Cambarus (J.) aff. dubius species complex. Zootaxa 4162(1): 173–187. DOI: 10.11646/zootaxa.4162.1.9. Full article (PDF) Reference page.
Russ, W.T., Z.J. Loughman, R.F. Thoma, B.T. Watson, T.D. Ewing. 2016. New River Crayfish Range Wide Status Assessment. Journal of the Southeastern Association of Fish and Wildlife Agencies 3:39–45.
Ewing, T.D., R.F. Thoma, S.J. Fraley, W.T. Russ, J. Pope. 2016. Distribution and Conservation Status of the Grandfather Mountain Crayfish. Journal of the Southeastern Association of Fish and Wildlife Agencies 3:6470.

2017

Loughman, Z.J., Welsh, S.A. & Thoma, R.F. 2017. Cambarus (C.) appalachiensis, a new species of crayfish (Decapoda: Cambaridae) from the New River Basin of Virginia and West Virginia, USA. Zootaxa 4243(3): 432–454. DOI: 10.11646/zootaxa.4243.3.2. Reference page.
Looughman, Z.J., Henkanaththegedara, S.M., Fetzner, J.W. Jr & Thoma, R.F. 2017. A case of Appalachian endemism: Revision of the Cambarus robustus complex (Decapoda: Cambaridae) in the Kentucky and Licking River basins of Kentucky, USA, with the description of three new species. Zootaxa 4269(4): 460–494. DOI: 10.11646/zootaxa.4269.4.4. Reference page.
Glon, M.G. and Thoma, R.F. 2017. An Observation of the Use of Devil Crayfish (Cambarus cf. diogenes) Burrows as Brooding Habitat by Eastern Cicada Killer Wasps (Sphecius speciosus). Freshwater Crayfish 23(1):55–57.

2018

Foltz II, D.A., Sadecky, N.M., Myers, G.A., Fetzner, J.W. Jr., Welsh, S.A., Stocker, G.W., Glon, M.G., & Thoma, R.F. 2018. Cambarus loughmani, a new species of crayfish (Decapoda: Cambaridae) endemic to the preglacial Teays River Valley in West Virginia, USA. Journal of Natural History, Vol. 52, Nos. 45–46, 2875–2897.
Glon, M.G. Thoma, R.F., Daly, M. & Freudenstein, J.V. 2018. Lacunicambarus chimera: a new species of burrowing crayfish (Decapoda: Cambaridae) from Illinois, Indiana, Kentucky, and Tennessee. Zootaxa 4544 (4): 451–478.

2019

Glon, M.G., Thoma, R.F., Daly, M. & Freudenstein, J.V. 2019. Lacunicambarus chimera: a new species of burrowing crayfish (Decapoda: Cambaridae) from Illinois, Indiana, Kentucky, and Tennessee. Zootaxa 4544(4): 451–478. DOI: 10.11646/zootaxa.4544.4.1 pdf Reference page.
Loughman, Z.J., Welsh, S.A. & Thoma, R.F. 2019. Cambarus fetzneri sp. nov., a new species of burrowing crayfish (Decapoda: Cambaridae) from the Allegheny Mountains of Virginia and West Virginia, USA. Zootaxa 4651(1): 38–50. DOI: 10.11646/zootaxa.4651.1.2 Reference page.
Hurt, C.R., Thoma, R.F., Withers, D.I., Williams, C.E., and Paine, R.T.R. 2019. Journal of Crustacean Biology (2019) 1–10. [doi:10.1093/jcbiol/ruz027]

2021

Cabe, P.R., Henkanaththegedara, S.M., Watson, B.T., Loughman, Z.J., and Thoma, R.F. 2021. An Annotated Checklist of the Freshwater Crayfish of Virginia. Freshwater Crayfish 26: [1]

2022

Glon, M.G., Broe, M.B., Crandall, K.A., Daly, M., Kong, S., Thoma, R.F., and Freudenstein, J.V. 2022. Anchored hybrid enrichment resolves the phylogeny of Lacunicambarus Hobbs, 1969 (Decapoda: Astacidea: Cambaridae). Journal of Crustacean Biology. 42: [2]
Thoma, R.F., 2022. A naturalist guide to the crayfishes of Ohio. Special Publication of the Ohio Biological Survey. Vi + 89 pp.

2023

Roger Thoma, Carla Hurt, Carl Williams, and David Withers 2023. Insights on the evolution and conservation of Appalachian burrowing crayfishes, with the description of a new species of Cambarus Erichson, 1846 (Decapoda: Astacidea: Cambaridae). Journal of Crustacean Biology. 43, 1-12.
Roger F. Thoma and James W. Fetzner Jr. 2023. A new species of crayfish (Decapoda: Astacidea: Cambaridae) from the Cumberland Thrust Block (eastern Kentucky and Tennessee, USA), with notes on the evolution of Cambarus Erichson, 1846 in the Ohio River Basin of the Appalachian Mountains. Journal of Crustacean Biology. 43, 1-16.