96 |
Sea Lily |
Unidentified |
|
|
Waldron Shale, Waldron, Indiana |
91 b |
Cystoid (crinoid stems and sea lily fragments are also present) |
Caryocrinus sp. |
|
|
|
91 |
Sea Lily (with attached snail) |
Eucalyptocrinites crassus |
|
|
Waldron Shale, Waldron, Indiana |
90 |
Crinoid stems (partially dissolved) |
|
|
|
Grand Mound, Iowa |
82 a |
Brachiopods (3pcs) (internal molds) |
Pentamerus sp. |
|
|
Grand Mound, Iowa |
81 |
Brachiopod (internal mold) |
Eospirifer sp. |
|
|
Iowa |
79 |
Sea Scorpian |
Euryterus remipes |
|
|
New York |
75 (rear view) |
Trilobite |
Diacalymene clavicula |
|
|
Ada, Oklahoma |
75 (front view) |
Trilobite |
Diacalymene clavicula |
|
|
Ada, Oklahoma |
74 |
Trilobite (enrolled) |
Cyphaspis christyi |
|
|
Waldron Shale, Waldron, Indiana |
672 |
Cystoid |
Holocystites scutellatus |
|
|
Osgood Formation, Ripley County, Indiana |
531 |
Recepticulite |
|
|
|
Iowa (?) |
53 c |
Receptaculid |
Receptaculites |
|
|
Iowa (?) |
4102 |
Thaloid |
Bryophyte grade land plant |
|
|
Massanutten Sandstone, Virginia |
3025 |
Stromatoporidea |
|
|
|
unknown |
3024 |
Gastropod (with brachiopods and crinoid stems) |
Platyceras |
|
|
Indiana |
3023 |
Sponge |
Astrospongia |
|
|
Indiana |
3022 |
Sponge |
Caryospongia |
|
|
Indiana |
3021 |
Trilobite (rolled) |
Calymene |
|
|
Indiana |
3020 |
Recepticulite |
|
|
|
Colorado (?) |
223 |
Stromatoporidea |
|
|
|
|
1517 |
Tabulate Pipe Coral |
Syringopora |
|
|
unknown |
118 |
Sponge (note star-shaped spicules) |
Astraeospongia meniscus |
|
|
Brownsport Formation, Perryville, Tennessee |
111 |
Rugose Horn Coral (outer shell removed) |
|
|
|
Grand Mound, Iowa |
110 |
Colonial Coral |
|
|
|
Grand Mound, Iowa |
107 |
Gastropod |
Tropidodiscus sp. |
|
|
Grand Mound, Iowa |
105 |
Cephalopod (Nautilus) (internal mold) |
|
|
|
Grand Mound, Iowa |
104 |
Sea Star, Brittlestar, Sea-lily (plate) |
|
|
|
Kinglake, Victoria, Australia |
101 |
Cystoid |
Holocystites scutellatus |
|
|
|
100 |
Cystoid |
Caryocrinus sp. |
|
|
Gower Formation, Grand Mound, Iowa |