Order Fusulinida Single-celled Protists Size of a grain of rice Lived in clear water Phylum Foraminifera (Forams) Kingdom Protozoa
Genus Nummulites Kingdom Protozoa Phylum Foraminifera (Forams) 1-5 cm Eocene to Miocene Limestone Looks like coils
Genus Astraeospongia Kingdom Animalia Invertebrate Phylum Porifera (Sponges) Silurian to devonian “basket sponge” Calcareous sponge – calcium carbonate marine
Genus Hydnoceras Kingdom Animalia Phylum Porifera (Sponges) Invertebrate “glass sponge” – silica spicules Devonian to Pennsylvanian
Genus Archimedes Kingdom Animalia Phylum Bryozoa Invertebrate Carboniferous Fenestrate Lived in clear water, filter feeder Archimedes because of screw shape
Genus Rhombopora Kingdom Animalia Phylum Bryozoa Invertebrate Branching Filter-feeding Carboniferous to Permian
Class Graptolithina (Graptolites) Kingdom Animalia Phylum Hemichordata Invertebrate Cambrian to Carboniferous Carbonization in shale “pencil marks on rock” Index fossils for paleozoic Hemichordates: they are thought to lead to vertebrates Lived in colonies
Genus Favosites Kingdom Animalia Phylum Cnidaria Class Anthozoa Colonial coral Honeycomb coral
Genus Halysites Kingdom Animalia Phylum Cnidaria Class Anthozoa “chain coral” Tabulate coral Warm shallow waters Ordovician to silurian Ate plankton
Genus Heliophyllum Kingdom Animalia Phylum Cnidaria Class Anthozoa Horn coral Devonian Stung prey (nematocysts)
Genus Hexagonaria Kingdom Animalia Phylum Cnidaria Class Anthozoa Colonial rugose coral Michigan state fossil Devonian
Genus Septastraea Kingdom Animalia Phylum Cnidaria Class Anthozoa Warm shallow water Recent fossil (miocene to pleistocene) Scleractinian coral
Class Scyphozoa (true jellyfish) Kingdom Animalia Phylum Cnidaria Rare fossil Edicarian period to present
Subphylum Crustacea (shrimp, lobster, crabs, barnacles) Kingdom Animalia Phylum Arthropoda Cambrian Encased in a shell (chitin)
Order Eurypterida (Eurypterid) Kingdom Animalia Phylum Arthropoda Ordovician Largest arthropods (2.5 meters) Same group as horseshoe crabs Shallow water
Class Insecta (insects) Kingdom Animalia Phylum Arthropoda Since Devonian Terrestrial and freshwater Head, thorax, abdomen Six legs Evolved wings in carboniferous metamorphosis
Genus Cryptolithus Kingdom Animalia Phylum Arthropoda Class Trilobita Small trilobite Ordovician “lace collar trilobite” blind
Genus Calymene Kingdom Animalia Phylum Arthropoda Class Trilobita Silurian Body in 13 segments 2 cm
Genus Elrathia Kingdom Animalia Phylum Arthropoda Class Trilobita Oldest trilobite on list Cambrian Small head and well defined axial lobe
Genus Isotelus Kingdom Animalia Phylum Arthropoda Class Trilobita Ordovician Largest trilobite Up to 1 meter
Genus Phacops Kingdom Animalia Phylum Arthropoda Class Trilobita Huge glabella Better vision than others Devonion Index fossil