1. Order Fusulinida Single-celled Protists Size of a grain of rice
Lived in clear water
Phylum Foraminifera (Forams)
Kingdom Protozoa

2. Genus Nummulites Kingdom Protozoa Phylum Foraminifera (Forams) 1-5 cm
Eocene to Miocene
Limestone
Looks like coils

3. Genus Astraeospongia Kingdom Animalia Invertebrate
Phylum Porifera (Sponges)
Silurian to devonian
“basket sponge”
Calcareous sponge – calcium carbonate
marine

4. Genus Hydnoceras Kingdom Animalia Phylum Porifera (Sponges)
Invertebrate
“glass sponge” – silica spicules
Devonian to Pennsylvanian

5. Genus Archimedes Kingdom Animalia Phylum Bryozoa Invertebrate
Carboniferous
Fenestrate
Lived in clear water, filter feeder
Archimedes because of screw shape

6. Genus Rhombopora Kingdom Animalia Phylum Bryozoa Invertebrate
Branching
Filter-feeding
Carboniferous to Permian

7. 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

8. Genus Favosites Kingdom Animalia Phylum Cnidaria Class Anthozoa
Colonial coral
Honeycomb coral

9. Genus Halysites Kingdom Animalia Phylum Cnidaria Class Anthozoa
“chain coral”
Tabulate coral
Warm shallow waters
Ordovician to silurian
Ate plankton

10. Genus Heliophyllum Kingdom Animalia Phylum Cnidaria Class Anthozoa
Horn coral
Devonian
Stung prey (nematocysts)

11. Genus Hexagonaria Kingdom Animalia Phylum Cnidaria Class Anthozoa
Colonial rugose coral
Michigan state fossil
Devonian

12. Genus Septastraea Kingdom Animalia Phylum Cnidaria Class Anthozoa
Warm shallow water
Recent fossil (miocene to pleistocene)
Scleractinian coral

13. Class Scyphozoa (true jellyfish)
Kingdom Animalia
Phylum Cnidaria
Rare fossil
Edicarian period to present

14. Subphylum Crustacea (shrimp, lobster, crabs, barnacles)
Kingdom Animalia
Phylum Arthropoda
Cambrian
Encased in a shell (chitin)

15. Order Eurypterida (Eurypterid)
Kingdom Animalia
Phylum Arthropoda
Ordovician
Largest arthropods (2.5 meters)
Same group as horseshoe crabs
Shallow water

16. Class Insecta (insects)
Kingdom Animalia
Phylum Arthropoda
Since Devonian
Terrestrial and freshwater
Head, thorax, abdomen
Six legs
Evolved wings in carboniferous
metamorphosis

17. Genus Cryptolithus Kingdom Animalia Phylum Arthropoda Class Trilobita
Small trilobite
Ordovician
“lace collar trilobite”
blind

18. Genus Calymene Kingdom Animalia Phylum Arthropoda Class Trilobita
Silurian
Body in 13 segments
2 cm

19. Genus Elrathia Kingdom Animalia Phylum Arthropoda Class Trilobita
Oldest trilobite on list
Cambrian
Small head and well defined axial lobe

20. Genus Isotelus Kingdom Animalia Phylum Arthropoda Class Trilobita
Ordovician
Largest trilobite
Up to 1 meter

21. Genus Phacops Kingdom Animalia Phylum Arthropoda Class Trilobita
Huge glabella
Better vision than others
Devonion
Index fossil