UC 13907 |
Retziidae |
Retzia circularis (S. A. Miller, 1892) |
S. Weller |
United States of America |
|
2213092 |
Mississippian |
Fern Glen Limestone |
|
P 260 |
Plaesiomyidae |
Dinorthis retrorsa (Shaler, 1858) |
|
United States of America |
|
2308727 |
Ordovician |
|
2 image files |
UC 31977 |
Plectorthidae |
Hebertella occidentalis (Hall, 1847) |
|
United States of America |
|
2239952 |
Ordovician |
|
3 image files |
P 254 |
Plectorthidae |
Hebertella occidentalis (Hall, 1847) |
|
United States of America |
|
2308720 |
Ordovician |
|
3 image files |
P 258 |
Plectorthidae |
Hebertella occidentalis (Hall, 1847) |
|
United States of America |
|
2308724 |
Ordovician |
|
2 image files |
PE 55655 |
Rhipidomellidae |
Rhipidomella carbonaria (Swallow) |
W. Sadlick |
United States of America |
|
2276304 |
Permian |
Camp Colorado Limestone |
|
PE 104 |
Rhipidomellidae |
Rhipidomella jerseyensis (Weller) |
|
United States of America |
|
2214950 |
Mississippian |
Fern Glen Limestone |
|
PE 87 |
Schizophoriidae |
Schizophoria postriatula |
|
United States of America |
|
2214951 |
Mississippian |
Fern Glen Limestone |
|
P 261 |
Glyptorthidae |
Glyptorthis insculpta (Hall, 1847) |
|
United States of America |
|
2308728 |
Ordovician |
|
2 image files |
UC 32945 |
Atrypidae |
Atrypa marginalis (Dalman, 1828) |
|
United States of America |
|
2269024 |
Silurian |
Edgewood Limestone |
|
P 705 |
Atrypinidae |
Atrypina disparilis (Hall) |
|
|
|
2309185 |
Silurian |
Waldron Shale |
1 image file |
UC 12458 |
Gypidulidae |
Gypidula comis (Owen, 1852) |
|
|
|
2285489 |
Devonian |
|
|
UC 13929 |
Psilocamaridae |
Camarophoria bisinuata (Rowley, 1900) |
|
United States of America |
|
2238809 |
Mississippian |
Keokuk Limestone |
|
PE 101 |
Brachythyrididae |
Brachythyis fernglenensis |
|
United States of America |
|
2214952 |
Mississippian |
Fern Glen Limestone |
|
UC 7941 |
Brachythyrididae |
Brachythyris peculiaris (Shumard, 1855) |
|
United States of America |
|
2211862 |
Mississippian |
Chouteau Limestone |
|
UC 9722 |
Brachythyrididae |
Brachythyris peculiaris (Shumard, 1855) |
|
|
|
2269904 |
Mississippian |
Chouteau Limestone |
|
UC 13409 |
Brachythyrididae |
Brachythyris suborbicularis (Hall, 1858) |
|
United States of America |
|
2239444 |
Mississippian |
Keokuk Limestone |
|
UC 8627 |
Brachythyrididae |
Brachythyris suborbicularis (Hall, 1858) |
|
|
|
2285540 |
Mississippian |
Keokuk Limestone |
|
UC 9676 |
Cyrtiidae |
Cyrtia burlingtonensis Rowley, 1893 |
|
|
|
2269906 |
Mississippian |
Chouteau Limestone |
|
UC 54004 |
Cyrtiidae |
Cyrtia hamiltonensis (Hall, 1857) |
|
United States of America |
|
2239445 |
Devonian |
Jeffersonville Limestone |
|
UC 7053 |
Spiriferellidae |
Spiriferella plena Hall, 1858 |
|
United States of America |
|
2238823 |
Mississippian |
Burlington Limestone |
|
UC 11979 |
Spiriferidae |
Spirifer asper (Conrad, 1942) |
|
United States of America |
|
2239451 |
Devonian |
|
|
UC 13536 |
Spiriferidae |
Spirifer chouteauensis S. Weller, 1909 |
|
|
|
2269074 |
Mississippian |
Fern Glen Limestone |
|
UC 13549 |
Spiriferidae |
Spirifer forbesi Norwood & Pratten, 1855 |
|
|
|
2269910 |
Mississippian |
Burlington Limestone |
|
UC 13551 |
Spiriferidae |
Spirifer insculptus Rowley, 1900 |
S. Weller |
United States of America |
|
2213093 |
Mississippian |
Burlington Limestone |
|