Figure 2. Paleozoic invertebrate fossils from Missouri.
A: Starfish, Girardeau Limestone, Lower Silurian, Cape Girardeau.
B: Receptaculites oweni, the "sunflower coral," Kimmswick
Limestone, Middle Ordovician.
C: Metacoceras sp., nautiloid cephalopod, Upper Pennsylvanian
Winterset Limestone, Kansas City area.
D: Lithostrotionella sp., colonial coral, Mississippian
St. Louis Limestone, St. Louis.
E, F: Pleurocystites sp., cystoids Middle Ordovician,
G: Conularia sp., puzzling fossils of unknown affinity, possibly
scyphozoans, Ordovician, Maquoketa Formation, Pike Co.
H: Discocystis kaskaskiensis, edrioasteriod, a Mississippian example
of this extinct echinoderm class, Chester Group, Perry Co.
I: Comarocystites shumardi, a paracrinoid, Middle Ordovician,
Kimmswick Limestone, Jefferson Co.
J: Ampyxina bellutula, slab of eyeless trilobites, Upper Ordovician,
Maquoketa Formation, Pike Co.
K: Scyphocrinites elegans, slab of large crinoids, lowermost
Devonian, Bailey Formation, southeastern Missouri.
Figure 1 Figure 2 Figure 3 Figure 4
Publication: Missouri Fossils
Missouri Fossils: Menu
By: Bruce Stinchcomb