UC 25540 |
Strophomenidae |
Strophomena |
S. Weller |
United States of America |
|
2213023 |
Ordovician |
Decorah Shale |
|
UC 37873 |
|
Scenidium anthonensis Sardeson, 1892 |
|
|
|
2266147 |
Ordovician |
Trenton Limestone |
|
UC 10295 |
|
Schizocrania filosa (Hall, 1847) |
|
|
|
2266227 |
Ordovician |
Trenton Limestone |
|
UC 10309 |
|
Zygospira recurvirostra (Hall, 1847) |
|
|
|
2266130 |
Ordovician |
Trenton Limestone |
|
UC 10308 |
Rhynchotrematidae |
Rhynchotrema dentata (Hall, 1847) |
|
|
|
2266157 |
Ordovician |
Trenton Limestone |
|
UC 11903 |
Lingulidae |
Lingula vanhornii Miller, 1875 |
|
United States of America |
|
2239306 |
Ordovician |
Trenton Limestone |
|
UC 12335 |
Dalmanellidae |
Orthis (dalmanella) testudinaria Dalman, 1828 |
|
United States of America |
|
2239358 |
Ordovician |
|
|
UC 11950 |
|
Pholidops cincinnatiensis Hall, 1871 |
|
United States of America |
|
2239284 |
Ordovician |
|
|
UC 12332 |
|
Orthis (plaesiomys) subquadrata Hall, 1847 |
|
United States of America |
|
2239361 |
Ordovician |
|
|
UC 12331 |
Plectorthidae |
Hebertella sinuata (Hall, 1847) |
|
United States of America |
|
2239353 |
Ordovician |
|
|
UC 11902 |
Craniidae |
Crania scabiosa Hall, 1866 |
|
United States of America |
|
2239283 |
Ordovician |
|
|
UC 186 |
|
Platystrophia profundosulcata (Meek, 1873) |
|
United States of America |
|
2239899 |
Ordovician |
Fairview |
4 image files |
UC 102 |
|
Trematis punctostriata Hall & Whitfield, 1875 |
|
United States of America |
|
2239887 |
Ordovician |
Trenton Limestone |
|
UC 8115 |
Cyclocoeliidae |
Cyclocoelia sordida-multiplicata Foerste, 1910 |
|
United States of America |
|
2238801 |
Ordovician |
Fairview |
|
UC 202 |
|
Schizocrania filosa (Hall, 1847) |
|
United States of America |
|
2239886 |
Ordovician |
|
|
UC 130 |
Cyclocoeliidae |
Cyclocoelia sordida-multiplicata Foerste, 1910 |
|
United States of America |
|
2239890 |
Ordovician |
Fairview |
|
UC 11946 |
Rafinesquinidae |
Rafinesquina alternata (Conrad, 1838) |
|
United States of America |
|
2239564 |
Ordovician |
|
|
UC 124 |
|
Plectorthis plicatella (Hall, 1847) |
|
United States of America |
|
2239901 |
Ordovician |
Fairview |
3 image files |
UC 8848 |
|
Streptorhynchus hallie Miller, 1874 |
|
United States of America |
|
2215156 |
Ordovician |
|
|
UC 8868 |
Craniidae |
Crania socialis Ulrich, 1878 |
|
United States of America |
|
2215155 |
Ordovician |
|
|
UC 12391 |
|
Zygospira cincinnatiensis Meek, 1873 |
|
United States of America |
|
2239344 |
Ordovician |
|
|
UC 127 |
|
Plectorthis neglecta (James, 1879) |
|
United States of America |
|
2239900 |
Ordovician |
Fairview |
|
UC 106 |
Plaesiomyidae |
Austinella cooperi Roy, 1941 |
|
United States of America |
|
2239893 |
Ordovician |
Waynesville |
|
UC 107 |
Plaesiomyidae |
Austinella cooperi Roy, 1941 |
|
United States of America |
|
2239894 |
Ordovician |
Waynesville |
|
UC 11939 |
|
Streptorhynchus Hall, 1847 |
|
United States of America |
|
2239571 |
Ordovician |
|
|