Michigan Fossils

A2 - BRACHIOPOD, B1 - CORAL or CHAIN CORAL, B2 - CRINOID pieces, A1 - BRACHIOPOD, invertebrate - Mucrospifier invertebrate - Halysites sp. - invertebrate - Megistocrinus sp. invertebrate - Pentamerus sp. - profundus - Silica formation - Cordell dolomite - Silurian age - ? - Alpena limestone - Devonian Cordell dolomite - Silurian age - Devonian age - Washtenaw Co. Chippewa Co. - 110 mm, age - Alpena Co. - 30 mm (lower Chippewa Co. - 65 mm, internal - 50 mm, calcite replacement - siliceous replacement - R. right) , calcite replacement - cast or steinkern - R. Elowski R. Milstein Milstein GSD

A4 - CORAL or COLONIAL B4 - CORAL or COLONIAL B3 - SNAIL or GASTROPOD, A3 - TRILOBITE, invertebrate - CORAL, invertebrate - CORAL Petoskey Stone, invertebrate - genus not Phacops rana - Silica formation - Syringopora sp. - Cordell invertebrate - Hexagonaria determined - Cordell dolomite - Devonian age - Washtenaw Co. dolomite - Silurian age - percarinata - Alpena Limestone - Silurian age - Chippewa Co. - 75 - 70 mm, calcite replacement - Chippewa Co. - 125 mm, Devonian age - Charlevoix Co. - mm, internal cast or steinkern - S. Wilson siliceous replacement - R. 200 mm, calcite replacement - GSD Milstein R. Milstein

C1 - MASTODON Tooth, C2 - EUCARYOTIC algae D1 - BANDED IRON D2 - PLANT root section, plant - vertebrate - Mammut filaments, plant - Grypania FORMATION (BIF), from fossils Stigmaria, genus not determined americanum - Glacial deposit - spiralis - Negaunee Iron - result of Grypania and others - - Saginaw Formation - Quaternary age - 200 mm long, Formation - Precambrian age - Banded Iron Formation - Pennsylvanian age - Eaton Co. - the “Michigan State Fossil” - Marquette Co. - large loop about Precambrian age - Marquette 150 mm in diameter, internal Central Michigan University 20 mm , oldest macrofossil - Co. - 600 mm, - Eddy Discovery cast - T. Godbold Rowe Museum GSD Center

Michigan Fossil Poster Pack – Fill In The Blanks – page 1 of 4 Michigan Fossils

C3 - FISH plate, vertebrate - D3 - Kona Dolomite, plant - D4 - ALGAL stromatolite, plant - genus not determined - Alpena C4 - Septarian nodule - pseudo Algal in origin - Kona Formation Collenia undosa - Copper Limestone - Devonian age - fossil - - Ottawa Co. - 75 mm, - Precambrian age - Marquette Harbor Conglomerate - Alpena Co. - 200 mm at widest Looks like a fossil, but it is not. - Co. - 150 by 200 mm, Precambrian age, 1,100 - point, calcite replacement - S. S. Wilson metamorphosed to a marble - Keweenawan Co. - 100 mm, - S. Wilson GSD Wilson

E1 - CRINOID, invertebrate - E2 - CORAL or COLONIAL F2 - CLAM or PELECYPOD, F1 - BRYOZOAN, invertebrate - Megistocrinus concava - CORAL, invertebrate - Favosites invertebrate - Megalomus Sulcoretepora deissi - Silica Thunder Bay limestone - sp. - Alpena Limestone - canadensis - Cordell dolomite - formation - Devonian age - Devonian age - Alpena Co. - 30 Devonian age - Charlevoix Co. - Silurian age - Chippewa Co. - 60 Washtenaw Co. - 25 mm, calcite mm, calcite replacement - S. 100 mm (shown), siliceous x 75 mm, internal cast or replacement - S. Wilson Wilson replacement - R. Reszka steinkern - GSD

E3 - BRACHIOPOD, E4 - CEPHALOPOD, F3 - CORAL or COLONIAL F4 - STROMATOPOROID, invertebrate - Mucrospifler invertebrate - Michelinoceras CORAL, invertebrate - invertebrate - genus not mucronatus - Silica formation sp. - Ogontz limestone - Favosites sp. - Cordell determined - Alpena - Devonian age - Washtenaw Ordovician age - Alger Co. - dolomite - Silurian age - Limestone - Devonian age - Co. - 90 mm, calcite 100 mm, internal cast or Chippewa Co. - 70 mm, Charlevoix Co. - 125 mm, replacement - R. Milstein steinkern - R. Milstein siliceous replacement - GSD calcite replacement - GSD

Michigan Fossil Poster Pack – Fill In The Blanks – page 2 of 4 Michigan Fossils– fill in the blanks

A1 A2 B1 B2

A3 A4 B3 B4

C1 C2 D1 D2

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C3 C4 D3 D4

E1 E2 F1 F2

E3 E4 F3 F4

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