MMiicchhiiggaann FFoossssiillss A2 - BRACHIOPOD, B2 - CRINOID pieces, B1 - CORAL or CHAIN invertebrate - A1 - BRACHIOPOD, invertebrate - CORAL, invertebrate - Mucrospifier profundus - invertebrate - Megistocrinus sp. ? - Halysites sp. - Cordell Silica formation - Pentamerus sp. - Cordell Alpena limestone - dolomite - Silurian age - Devonian age - dolomite - Silurian age - Devonian age - Alpena Chippewa Co. - 110 Washtenaw Co. - 50 Chippewa Co. - 65 mm, Co. - 30 mm (lower right) mm, siliceous mm, calcite internal cast or steinkern , calcite replacement - replacement - R. replacement - R. - R. Elowski GSD Milstein Milstein B4 - CORAL or A4 - CORAL or COLONIAL CORAL B3 - SNAIL or COLONIAL CORAL, A3 - TRILOBITE, Petoskey Stone, GASTROPOD, invertebrate - invertebrate - Phacops invertebrate - invertebrate - genus not Syringopora sp. - rana - Silica formation - Hexagonaria percarinata determined - Cordell Cordell dolomite - Devonian age - - Alpena Limestone - dolomite - Silurian age - Silurian age - Chippewa Washtenaw Co. - 70 mm, s Devonian age - Chippewa Co. - 75 mm, s Co. - 125 mm, siliceous calcite replacement - S. Charlevoix Co. - 200 mm, internal cast or l l replacement - R. Wilson calcite replacement - R. steinkern - GSD i i Milstein Milstein s s C2 - EUCARYOTIC D1 - BANDED IRON C1 - MASTODON Tooth, D2 - PLANT root section, algae filaments, plant - FORMATION (BIF), vertebrate - Mammut s plant - Stigmaria, genus s Grypania spiralis - from fossils - result of americanum - Glacial not determined - Negaunee Iron Grypania and others - deposit - Quaternary age Saginaw Formation - o Formation - Banded Iron Formation o - 200 mm long, the Pennsylvanian age - Precambrian age - - Precambrian age - “Michigan State Fossil” - Eaton Co. - 150 mm in Marquette Co. - large Marquette Co. - 600 Central Michigan F diameter, internal cast - F loop about 20 mm , mm- Eddy Discovery University Rowe T. Godbold oldest macrofossil - Center Museum GSD n n D3 - Kona Dolomite, C3 - FISH plate, D4 - ALGAL stromatolite, plant - Algal in origin - a vertebrate - genus not plant - Collenia undosa - a C4 - Septarian nodule - Kona Formation - determined - Alpena Copper Harbor pseudo fossil - - Ottawa Precambrian age - Limestone - Devonian g Conglomerate - g Co. - 75 mm, Looks like Marquette Co. - 150 by age - Alpena Co. - 200 Precambrian age, 1,100 - a fossil, it is not. - S. i 200 mm, i mm at widest point, Keweenawan Co. - 100 Wilson metamorphosed to a calcite replacement - S. mm, - S. Wilson marble - GSD Wilson h h c c E2 - CORAL or F2 - CLAM or F1 - BRYOZOAN, i i COLONIAL CORAL, E1 - CRINOID, PELECYPOD, invertebrate - invertebrate - Favosites invertebrate - invertebrate - Megalomus Sulcoretepora deissi - sp. - Alpena Limestone Megistocrinus concava - canadensis - Cordell Silica formation - - Devonian age - Thunder Bay limestone - dolomite - Silurian age - Devonian age - M M Charlevoix Co. - 100 Devonian age - Alpena Chippewa Co. - 60 x 75 Washtenaw Co. - 25 mm (shown), siliceous Co. - 30 mm, calcite mm, internal cast or mm, calcite replacement - R. replacement - S. Wilson steinkern - GSD replacement - S. Wilson Reszka F4 - E4 - CEPHALOPOD, E3 - BRACHIOPOD, F3 - CORAL or STROMATOPOROID, invertebrate - invertebrate - COLONIAL CORAL, invertebrate - genus not Michelinoceras sp. - Mucrospifler mucronatus invertebrate - Favosites determined - Alpena Ogontz limestone - - Silica formation - sp. - Cordell dolomite - Limestone - Devonian Ordovician age - Alger Devonian age - Silurian age - Chippewa age - Charlevoix Co. - Co. - 100 mm, internal Washtenaw Co. - 90 mm, Co. - 70 mm, siliceous 125 mm, calcite cast or steinkern - R. calcite replacement - R. replacement - GSD replacement - GSD Milstein Milstein .