^ET.22 RICHMOND FAUNAL, ZONES — AUSTIN 13 



Opisthoptera obliqua Ulrich, W, 9. 



Orthoceras clarksvUlensi8 Foerste, W. 17. 



Orthoceras duserl Hall and Whitfield, W. 3. 



Orthoceras foaieri Miller, W. 4, 5. 



Orthoceras mohri Miller, A, 1, 3. 



Orthodesma canalictUatum Ulrich, A. 3. 



Orthodesma curvattim (Hall and Whitfield), W. 8, 5, 9. 



Orthodesma rectum (Hall and Whitfield), W. 3, 4, 9. 



Orthodesma snhangulatum Ulrich, W, 9. 



Pachydictya fenestelliformis (Nicholson), Wh. 1, W. 2. 



Paleschara bcani (James), W. 4, 9. 



Peronopora decipiens (Rominger), A-E. 



Pctr aster speciosa (Miller and Dyer), L. 3. 



PhragmoUfcs dyeri (Hall), W, Ij. 2. 



Platystrophia acutilirata (Conrad), Wh. 1, 6. 



Platystrophia acutilirata, var. E. 1. 



Platynlrophia annicana (James), W. 11. 



Platystrophia darks villensis Foerste, W. 3, 5. 



Platystrophia cypha versaillesensis Foerste, W. 9. 



Platystrophia laticosta (James), W. 5. 



Platystrophia moritura Curaings, Fi. 2. 



Platystrophia ponderosa Foerste, A. 2, 



Plectamhonites rugosus clarksvillenftis Foerste, W. 5, L. 1, 2, Wh. 1. 2. 



Plectorthis (AustinelUi) scovillei (Miller), W. 15. 



Primitia concinnatiensis (Miller), A. 3, W. 



Primitia latiimt' Ulrich, Wh. 6. 



P7-imitia milleri Ulrich, W. 



Proboscina auloporoides Nicholson, W. 



Proboscina frondosa (Nicholson), A. 3. 



Protarea TrichmondensU Foerste, W-E. 



Psiloconcha elliptica Ulrich, W. 9. 



Psiloco'rwha grandis Ulrich, W. 9. 



Psiloconcha subrccta Ulrich, W. 9. 



Pterinea corrugata (James), W. 



Pterinea demissa (Conrad), A-E. 



Ptilodictya magm'fica Miller, Wh. 1. 



Ptilodictya nodosa James, W. 15, L., Wh. 1, 2. 



Ptilodictya plumaria James, Wh. 2. 



Rafinesquina alternata (Emmons) var. A-E. 



Rafinesquina alternata loxorhytls (Meek), W. 2, 3 



Reteocrinus magnifieus Miller, W. 17. 



Reteocrinus nealK (Hall), W. 11, 17. 



Rhaphanocrinus sculptus (Miller), W. 17. 



Rhvnidictya lata (Ulrich), W. 5 



Rhotnbotrypa quadrata (Rominger), W-E. 



Rhombotrypa subquadrata (Ulrich), W. 3. 



Rhopalonaria venosa Ulrich, W. 3, 5, 6, A. 3. 



Rhynchotretna capax (Conrad), W-E. 



Rhynchotrema dentatum Hall, W. 14. 



Rusophycus biloba Vanuxum, A-E. 



Salpingostoma richmondensis Ulrich Wh. 



Schizocrania filosa Hall, A. 2. 



Schizolopha moorei (Ulrich), W. 3, 5, 8. 



8inuite9 canoellatus (Hall), A-E. 



