Silurian

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