188 
AUG. F. FOERSTE 
15. FAUNA OF TOP OF PLATTIN LIMESTONE IN RALLS COUNTY 
HENRY HAMILTON 
YEAGER 
CITY QUARRY 
SUSAN KENNEY 
BUFORD CAVE 
J. H. SMITH 
conn’s ford 
BIG CREEK 
NORTH OF SPALDING SPRINGS 
ALSO IN AUBURN CHERT 
Streptelasma breve 
X 
1. Tetradium fibratum 
X 
X 
X 
3. Cornulites fiexuosus 
X 
X 
X 
Orthis tricenaria 
X 
X 
X 
X 
X 
X 
Pionodema subaequata 
X 
X 
X 
X 
X 
, X 
X 
X 
X 
Plectambonites sericeus 
X 
X 
X 
X 
X 
9. Zygospira nicolleti 
X 
X 
X 
Rafinesquina alternata 
X 
X 
Rhynchotrema minnesotense.. 
X 
12. Schizocrania filosa 
X 
X 
X 
Strophomena incurvata 
X 
X 
X 
X 
X 
X 
X 
X 
14. Trematis huronensis 
X 
X 
X 
15. Zygospira deflecta 
X 
X 
16. Ctenodonta cf gibberula 
X 
Ctenodonta nasuta 
X 
X 
Ctenodonta nasuta robusta. . . 
X 
X 
Ctenodonta cf. scofieldi 
X 
Cyrtodonta billingsi 
X 
X 
Cyrtodonta huronensis 
X 
X 
Cyrtodopta obesa 
X 
17. Parallelodus obliqua 
X 
X 
Clathrospira subconica 
X 
X 
X 
18. Cyrtolites ornatus minor 
X 
X 
Cyrtolites retrorsus var 
X 
X 
Gyronema duplicatum 
X 
Helicotoma planulata 
X 
X 
^x 
19. Holopea concinnula 
X 
20. Holopea cf. parvula 
X 
X 
21. Hormotoma gracilis angustata 
X 
X 
X 
X 
X 
X 
X 
X 
X 
Liospira obtusa 
X 
X 
X 
X 
X 
X 
Lophospira bicincta 
X 
X 
Lophospira obliqua 
X 
X 
Lophospira oweni 
X 
X 
X 
Phragmolites fimbriatus 
X 
X 
X 
Salpingostoma buelli 
X 
Subulites conradi 
X 
25. Conularia heymani sp. nov.. . 
X 
26. Conularia sp 
X 
X 
27. Hyolithes baconi 
X 
X 
29. Orthoceras sp 
X 
30. Spyroceras bilineatum 
X 
X 
X 
X 
X 
X 
31. Tripteroceras planodorsatum. 
X 
X 
43. Bathyurus spiniger 
X 
X 
X 
X 
Bumastus milleri 
X 
X 
X 
37. Ceraurus plattinensis 
X 
X 
X 
X 
X 
Isotelus gigas 
X 
X 
X 
41. Pterygometopus lincolnensis. 
X 
Pterygometopus intermedius.. 
X 
X 
X 
X 
