22B: Echinoids of Georgia
Cenozoic
By County
  
By Thomas Thurman

Using This Page
The below lists show Cenozoic species occuring in each county, use this to cross-reference to species page where images, location details and descriptions can be found.    
​Baker County
  1. Eurhodia patelliformis
  2. Oligopygus haldemani
  3. Oligopygus wetherbyi
  4. Rhyncholampas conradi
  5. Rhyncholampas gouldii
  6. Weisbordella johnsoni
Baldwin
  1. Periarchus quinquefarius ​
Bibb County
  1. Periarchus pileussinensis
Bleckley County
  1. Clypeaster rogersi
  2. Periarchus pileussinensis
  3. Rhyncholampas gouldii
Brantley County
  1. Rhyncholampas gouldii
Burke County
  1. Periarchus lyelli
  2. Periarchus quinquefarius
  3. Rhyncholampas gouldii
Calhoun County
  1. Agassizia clevei
  2. Oligopygus haldemani
  3. Periarchus lyelli
  4. Plagiobrissus curvus
  5. Rhyncholampas georgiensis
  6. Rhyncholampas trojana
  7. Weisbordella johnsoni
Chatham County
  1. Clypeaster rogersi
​Clay County
  1. Gauthieria speciosa
  2. Gitolampas georgiensis
Crawford County
  1. Periarchus pileussinensis
  2. Phyllacanthus mortoni
Crisp County
  1. Brissopatagus alabamensis
  2. Eupatagus ocalanus
  3. Eurhodia patelliformis
  4. Eurhodia rugosa
  5. Macropneustes mortoni
  6. Periarchus pileussinensis
  7. Phyllacanthus mortoni
  8. Plagiobrissus dixie
  9. Rhyncholampas conradi
  10. Rhyncholampas gouldii
  11. Rhyncholampas trojana
  12. Salenia palmyra
  13. Schizaster armiger
  14. Weisbordella johnsoni
Decatur County
  1. Agassizia clevei
  2. Brissus bridgeboroensis
  3. Clypeaster rogersi
  4. Eupatagus ocalanus
  5. Fibularia vaughani
  6. Lytechinus floralanus
  7. Oligopygus wetherbyi
  8. Phyllacanthus mortoni
  9. Plagiobrissus curvus
  10. Rhyncholampas conradi
  11. Rhyncholampas georgiensis
  12. Rhyncholampas gouldii
  13. Salenia palmyra
  14. Weisbordella johnsoni
Dooly County
  1. Anisaster mossomi
​Dougherty County
  1. Brissopatagus alabamensis
  2. Eurhodia patelliformis
  3. Fibularia vaughani
  4. Macropneustes mortoni
  5. Oligopygus haldemani
  6. Periarchus lyelli
  7. Phyllacanthus mortoni
  8. Plagiobrissus curvus
  9. Plagiobrissus dixie
  10. Rhyncholampas conradi
  11. Rhyncholampas gouldii
  12. Schizaster armiger
  13. Weisbordella cubae
  14. Weisbordella cubae
Early County
  1. Amblypygus americanus
  2. Oligopygus haldemani
  3. Oligopygus phelani
  4. Oligopygus rotundus
  5. Periarchus lyelli
  6. Periarchus pileussinensis
  7. Rhyncholampas ericsoni
  8. Rhyncholampas georgiensis
Glynn County
  1. Durhamella floridana
  2. Echinocyamus bisexus
  3. Fibularia alabamaensis
  4. Leniechinus herricki
  5. Pentedium curator
  6. Periarchus lyelli
  7. Periarchus pileussinensis
Houston County
  1. Clypeaster cotteaui
  2. Durhamella floridana
  3. Eupatagus antillarum
  4. Eupatagus ocalanus
  5. Eurhodia rugosa
  6. Laganum ocalanum
  7. Macropneustes mortoni
  8. Oligopygus haldimani
  9. Oligopygus wetherbyi
  10. Periarchus lyelli
  11. Periarchus pileussinensis
  12. Periarchus quinquefarius
  13. Periarchus quinquefarius kewi
  14. Phyllacanthus mortoni
  15. Plagiobrissus curvus
  16. Rhyncholampas georgiensis
  17. Rhyncholampas gouldii
  18. Schizaster armiger
  19. Thylechinus (Gagaria) chickasawhay
  20. Weisbordella johnsoni
  21. Wythella eldridgei
Jefferson County
  1. Scutella (Historic refernce from 1911)​​​​
    1. ​​​Genus Scutella is the former nomenclature for Periarchus and Mortonella. The 1911 text does not mention species, only genus. ​​​​​​
Laurens County
  1. Clypeaster rogersi
Lee County
  1. Brissopatagus alabamensis
  2. Brochopleurus ptretiosus
  3. Clypeaster rogersi
  4. Eupatagus ocalanus
  5. Eurhodia patelliformis
  6. Macropneustes mortoni
  7. Oligopygus haldemani
  8. Periarchus lyelli
  9. Periarchus pileussinensis
  10. Phyllacanthus mortoni
  11. Plagiobrissus curvus
  12. Plagiobrissus dixie
  13. Rhyncholampas conradi
  14. Rhyncholampas ericsoni
  15. Rhyncholampas georgiensis
  16. Schizaster armiger
  17. Weisbordella cubae
  18. Weisbordella johnsoni
Macon County
  1. Rhyncholampas gouldii
Miller County
  1. Anisaster mossomi
  2. Plagiobrissus dixie
  3. Rhyncholampas conradi
  4. Rhyncholampas trojana
Mitchell County
  1. Brissus bridgeboroensis
  2. Clypeaster cotteaui
  3. Macropneustes mortoni
  4. Oligopygus phelani
  5. Phyllacanthus mortoni
  6. Plagiobrissus dixie
  7. Rhyncholampas gouldii
  8. Weisbordella johnsoni
  9. Wythella eldridgei
Pulaski County
  1. Brissopsis blanpiedi
  2. Clypeaster cotteaui
  3. Clypeaster rogersi
  4. Durhamella floridana
  5. Durhamella 0calana
  6. Gagaria mossomi
  7. Macropneustes mortoni
  8. Oligopygus haldemani
  9. Phyllacanthus​ mortoni
  10. Rhyncholampas gouldii
  11. Schizaster americanus
  12. Schizaster armiger
  13. Thylechinus (Gagaria) Chickasawhay
  14. Wythella eldridgei
Randolph County
  1. Echanthus georgiensis
  2. Gitolampas georgiensis
  3. Plagiochasma cruciform
  4. Salenia palmyra
Schley County
  1. Echanthus georgiensis
  2. Gitolampas georgiensis
  3. Linthia prima
Screven County
  1. Clypeaster rogersi
Seminole County
  1. Rhyncholampas conradi
​Sumter County
  1. Anisaster mossomi
  2. Clypeaster cotteaui
  3. Clypeaster rogersi
  4. Periarchus lyelli
  5. Plagiochasma cruciform
  6. Rhyncholampas gouldii
  7. Weisbordella johnsoni
Terrell County
  1. Anisaster mossomi
  2. Rhyncholampas gouldii
Twiggs County
  1. Periarchus lyelli
  2. Periarchus pileussinensis
Washington County
  1. Periarchus quinquefarius
  2. Periarchus quinquefarius kewi
Wilcox County
  1. Rhyncholampas gouldii
Worth County
  1. Clypeaster cotteaui

References
  • Cooke, C. Wythe; Cenozoic Echinoids of the Eastern United States, Geologic Survey Professional Paper 321, U.S. Dept of Interior, USGS, 1959
  • Florida Museum of Natural History, Collection Directory, Invertebrate Paleontology; Web Portal (ufl.edu)
  • Natural History Museum (London), The Echinoid Directory; The Echinoid Directory - Natural History Museum (nhm.ac.uk)
  • Encyclopedia of Life, Smithsonian, National Museum of Natural History Encyclopedia of Life (eol.org)
  • Enchinologia, a French site about fossil echinoids,  echinologia.com/galeries/oligopygidae/index.html
  • Carter, Burchard D. & McKinney, Michael L.; Eocene Echinoids of the Suwannee Strait, and Biogeographic Taphonomy, Paleobiology 18 (3), Pg 299-325, 1992
  • Carter, Burchard D.; Paleogene Echinoid Distributions in the Atlantic and Gulf Coastal Plains; Palaios, 1987, v.2, pgs. 390-404, The Society of Economic Paleontologists and Geologists
  • Carter, Burchard D.; McKinney, Michael L.; Eocene Echinoids, The Suwannee Strait, and biogeographic taphonomy; Paleobiology, 183(2), 1992, pp. 299-325 
  • Huddlestun, Paul F., & Hetrick, John H.; Upper Eocene Stratigraphy of Central and Eastern Georgia, Georgia Department of Natural Resources, Environmental Protection Division, Bulletin 95. 1986.
  • Pickering, Sam M.; Stratigraphy, Paleontology, and Economic Geology of Portions of Perry and Cochran Quadrangles. The Geological Survey of Georgia, Department of Mines, Mining and Geology, Bulletin 81. 1970.
  • Huddlestun, Paul F.; The Oligocene, A Revision of the Lithostratigraphic Units of the Coastal Plain of Georgia; Bulletin 105, Georgia Geologic Survey, 1993
  • Zachos, Louis G.; Paleocene Echinoid Faunas of the Eastern United States, Journal of Paleontology, 91 (3), 2017, Pg. 1001-1024
  • Cook, Robert B.; Minerals of Georgia Their Properties & Occurrences, Bulletin 92, Georgia Geological Survey, 1978
  • Kier, Porter M.; Echinoids from the Middle Eocene Lake City Formation in Georgia, Smithsonian Institute Press, Washington DC, 1968
  • ​Veatch, Otto; Stephenson, Lloyd William; Preliminary Report on the Geology of the Coastal Plain of Georgia; US Geological Survey, Georgia Geological Survey, Bulletin 26, 1911
  • The Paleobiology database; PBDB Navigator (paleobiodb.org)