+ brachiopod
81
+ crinoid
62
+ Lake Erie
55
+ Bryozoan
52
+ Chestnut Run
37
+ Shenango River Lake
37
+ Shenango Valley
37
+ Coral
26
+ Rugose Coral
22
+ gastropod
16
+ Trepostome Bryozoan
13
+ bioclast
9
+ Cystoporid Bryozoan
9
+ river rock
9
+ fenestella
4
+ Tabulate Coral
4
+ thamnopora
4