Medusa Portland Cement Company North Quarry, Silica, bioherm (Devonian of the United States)

Also known as Reef 2550

Where: Lucas County, Ohio (41.7° N, 83.7° W: paleocoordinates 36.4° S, 31.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Silica Formation (Traverse Group), Givetian (387.7 - 382.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• bioherm composed almost entirely of one auloporid species mixed with some crinoidal debris and a few brachiopods; max. 4.5 m thick and 30 m in diameter

•From Kesling and Sigler, 1969: Specimen found in dump pile in southeastern extension of the quarry...presumed to have come from gradational contact zone between units 13 and 14 of Ehlers, Stumm, & Kesling (1951, p. 19) on the basis of lithology and associated fossils.

Size class: macrofossils

Collected by Sigler (for Kesling and Sigler, '69) in 1967 (for Kesling and Sigler, '69)

• From Kesling and Sigler, 1969: Specimen found in dump

•pile in southeastern extension of the quarry.

Primary reference: E. C. Stumm. 1969. Devonian bioherms of the Michigan Basin. Contributions from the Museum of Paleontology, University of Michigan 22(18):241-247 [W. Kiessling/U. Merkel/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 81857: authorized by Wolfgang Kiessling, entered by Uta Merkel on 17.07.2008, edited by Briony Mamo, Pete Wagner and Jennifer Bauer

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
 Calceocrinida - Calceocrinidae
Cunctocrinus fortunatus n. sp.2 Kesling and Sigler 1969 Sea lily
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Polyplacophora
 Multiplacophora - Hercolepadidae
Protobalanus spinicoronatus n. sp.3 Vinther et al. 2012 chiton
Note: this might not be the exact locality; only given as "Silica Fm., Lucas County"
Ostracoda
 Palaeocopida - Bolliidae
Stictobollia alethaae1 Coley 1954 ostracod
Units 1-6, 9-11, 12, 14-15
Xystinotus wrightorum1 Kesling 1953 ostracod
Units 1-6, 9-11, 12, 14-15
Xystinotus subnodatus1 Turner 1939 ostracod
Units 1-6, 9-11, 12, 14-15
Ulrichia spinifera1 Coryell and Malkin 1936 ostracod
Units 1-6, 7, 9-11, 12, 14-15, 17-18
Ulrichia illinearis1 Kesling 1953 ostracod
Units 1-6, 9-11, 14-15
Ulrichia fastidiosa1 Kesling and Chilman 1978 ostracod
Units 9-11
Ulrichia fragilis1 Warthin 1934 ostracod
Units 1-6, 9-11, 12, 14-15
Ulrichia conradi1 Jones 1890 ostracod
Units 9-11
Tetrastorthynx diabolicus1 Kesling 1953 ostracod
Units 9-11
 Palaeocopida - Richinidae
Richina truncata1 Coryell and Malkin 1936 ostracod
Units 9, 12
Richina subcircularis1 Coryell and Malkin 1936 ostracod
Units 9, 12
 Palaeocopida - Aechminellidae
Cornigella immotipedata1 Kesling 1953 ostracod
Units 9-11
Balantoides trilobata1 Turner 1939 ostracod
Units 7, 9, 11-17
 Palaeocopida - Aparchitidae
Coeloenellina rara1 Kesling and Chilman 1978 ostracod
Unit 7
 Palaeocopida - Scrobiculidae
Scrobicula xysta1 Kesling and Chilman 1978 ostracod
Units 9, 11-12, 15
 Palaeocopida - Hollinidae
Adelphobolbina trilobata1 Stewart 1936 ostracod
Units 6-7, 9, 11-12, 14-15, 17, 21
Adelphobolbina spicata1 Kesling and McMillan 1954 ostracod
Units 6-7, 12
Subligaculum bifidum1 Stewart 1936 ostracod
Units 7, 9, 11-12, 14-15, 18, 21
Subligaculum scrobiculatum1 Kesling and McMillan 1951 ostracod
Units 9, 12
Ctenoloculina eurybathrota1 Kesling 1952 ostracod
Units 7, 9, 11, 12, 17
Ctenoloculina cicatricosa1 Warthin 1934 ostracod
Units 7, 9, 11-16, 18
Ctenoloculina acanthina1 Kesling 1953 ostracod
Units 7, 12, 15
Falsipollex laxivelatus1 Kesling 1952 ostracod
Units 9, 11-12, 15, 21
Falsipollex lativelatus1 Kesling and McMillan 1951 ostracod
Units 7, 9, 11-12, 14-15, 18
 Palaeocopida - Knoxitidae
Hypotetragona fractodorsalis1 ostracod
Units 9, 15
Hypotetragona aequitalis1 Peterson 1964 ostracod
Units 7, 9, 11-14
Hypotetragona harrietensis1 Coryell and Malkin 1936 ostracod
Units 7, 9, 11-12, 14, 17, 21
Knoxiella truncata1 Kesling and Chilman 1978 ostracod
Units 9, 12
Knoxiella rutkowskiae1 Kesling and Chilman 1978 ostracod
Unit 9
 Palaeocopida - Kloedenellidae
Dizygopleura trisinuata1 Van Pelt 1933 ostracod
Units 6-7, 9, 11-14, 16-18, 21
Dizygopleura euglyphea1 Warthin 1934 ostracod
Units 6-7, 12-14
Poloniella cingulata1 Warthin 1934 ostracod
Units 9, 11-15, 18
Eukloedenella doverensis1 Turner 1936 ostracod
Units 9, 11-16
Punctoprimitia simplex1 Stewart 1936 ostracod
Units 6-7, 9, 11-15, 21, 23
 Palaeocopida - Coelonellidae
Coelonella plana1 Stewart 1930 ostracod
Units 7, 9, 11-15, 17-18, 21
Coelonella scapha1 Stewart 1930 ostracod
Units 6, 7, 9, 11-15, 17-18, 21
 Palaeocopida - Kirkbyellidae
Kirkbyella (Berdanella) unicornis1 Coryell and Malkin 1936 ostracod
Units 9, 11, 12, 13, 14, 15
Kirkbyella (Berdanella) stewartae1 Sohn 1961 ostracod
Unit 21
Kirkbyella (Kirkbyella) bellipuncta1 Van Pelt 1933 ostracod
Units 6, 7, 9, 11, 12, 13, 14, 15, 16, 17, 18, 21, 23
 Palaeocopida - Amphissellidae
Dirhabdus multicostatus1 Pauken 1966 ostracod
Units 9,11-12, 14-15, 21
 Palaeocopida - Arcyzonidae
Arcyzona diademata1 Van Pelt 1933 ostracod
Units 9, 11-12, 14-15, 21
Arcyzona campylactinota1 Kesling 1936 ostracod
Units 7, 9, 11-12, 14-15, 21
Arcyzona rhabdota1 Kesling 1952 ostracod
Units 7, 9, 11-12, 14-15
Arcyzona bythiclimacota1 Kesling 1952 ostracod
Units 7, 9, 11-12, 14-15, 18, 21
Arcyzona homalosagenota1 Kesling 1952 ostracod
Units 9, 11, 12, 15, 18
 Palaeocopida - Hollinellidae
Hollinella (Keslingella) pumila1 Kesling 1952 ostracod
Units 7, 9, 11-14, 21
Hollinella (Keslingella) antespinosa1 Ulrich 1891 ostracod
Units 7, 9, 11-12, 14, 18
Hollinella (Keslingella) labrosa1 Kesling and Weiss 1953 ostracod
Units 12, 14
Tetrasacculus bilobus1 Stewart 1936 ostracod
Units 9, 11-18, 21
 Palaeocopida - Beyrichiidae
Phlyctiscapha apleta1 Kesling 1954 ostracod
Units 7,9, 11-12, 15-17
 Palaeocopida - Cryptophyllidae
Cryptophyllus arsinius1 Stover 1956 ostracod
Units 9, 11-12
 Palaeocopida -
Ehlersia hypercala1 Kesling and Kilgore 1952 ostracod
Unit 12
 Podocopida - Ropolonellidae
Ropolonellus papillatus1 Van Pelt 1933 ostracod
Units 9, 11, 12
 Podocopida -
Rudderina extensa1 Coryell and Malkin 1936 ostracod
Unit 12
 Podocopida - Bufinidae
Bufina curti1 Coley 1954 ostracod
Units 6-7, 11-12, 17-18
Bufina spinulifera1 Stewart 1936 ostracod
Units 7, 9, 11-12, 14-15, 17-18, 21, 23
Bufina abbreviata1 Peterson 1966 ostracod
Units 6-7, 9, 11-12, 14-15, 17-18, 21
Bythocyproidea eriensis1 Stewart and Hendrix 1945 ostracod
Units 9, 11-12, 17-18, 21
 Podocopida - Healdiidae
Ponderodictya ohioensis1 ostracod
Units 7, 9, 11-18, 21
Ponderodictya punctulifera1 Kesling and Chilman 1978 ostracod
Units 6-7, 9, 11-18, 21, 23
Ponderodictya rhodesi1 Kesling and Chilman 1978 ostracod
Units 9, 11-12
Nannohealdia arcuata1 Kesling and Chilman 1978 ostracod
Unit 13
Cytherellina lechria1 Kesling and Chilman 1978 ostracod
Units 9, 11, 15, 18
Cytherellina tanymeka1 Kesling and Chilman 1978 ostracod
Units 7, 9, 11-12, 14-15, 18
Cytherellina subquadrata1 Stewart 1936 ostracod
Units 7, 9, 11, 13-17, 21
Cytherellina lucasensis1 Stewart 1936 ostracod
Units 7, 9, 11-18, 21, 23
Cytherellina kutasii1 Kesling and Chilman 1978 ostracod
Units 7, 9, 11-12, 17-18, 21
Healdia arkonensis1 Coryell and Malkin 1936 ostracod
Unit 9
Healdia medusaensis1 Kesling and Chilman 1978 ostracod
Units 9, 11-12
Healdia gibba1 Kesling and Weiss 1953 ostracod
Units 7, 9, 11-14, 18
 Podocopida - Quasillitidae
Jenningsina catenulata1 Kesling and Chilman 1978 ostracod
Units 7, 12, 14
Quasillites fordei1 Coryell and Malkin 1936 ostracod
Units 6-7, 9, 11-18, 21, 23
Quasillites concentricus1 Turner 1939 ostracod
Units 9, 11, 12, 14-15, 18
Quasillites sublunatus1 Stewart 1936 ostracod
Units 6, 7, 9, 11-12, 14-15, 18, 21
Quasillites obliquus1 Coryell and Malkin 1936 ostracod
Units 6, 7, 9, 11-12, 15, 21
 Podocopida -
Hyphasmaphora textiligera1 Van Pelt 1933 ostracod
Units 6, 12, 14, 15, 16, 17
 Podocopida - Bairdiidae
Rectobairdia emaciata1 Kesling and Kilgore 1952 ostracod
Unit 12
 Podocopida - Beecherellidae
Wideneria lispa1 Kesling and Chilman 1978 ostracod
Units 7, 12, 14
Acanthoscapha devonica1 Kesling and Sohn 1958 ostracod
Unit 12
 Podocopida - Bairdiocyprididae
Bairdiocypris transptyxis1 Stover 1956 ostracod
Units 7, 9, 11-12, 14
Bairdiocypris gongylus1 Kesling and Chilman 1978 ostracod
Units 9, 11
Praepilatina silicensis1 Kesling and Chilman 1978 ostracod
Units 7, 12, 15, 18
Rugocytherellina ehlersi1 Kesling and Chilman 1978 ostracod
Units 9, 11-12
 Podocopida -
Euglyphella sigmoidalis1 Jones 1890 ostracod
Units, 6, 7, 9, 11-18, 21
Euglyphella lispa1 Peterson 1966 ostracod
Units 7, 14
Euglyphella modesta1 Peterson 1966 ostracod
Units 7, 9
Euglyphella compressa1 Coryell and Malkin 1936 ostracod
Units 6, 7, 9, 11, 12, 13, 14, 15
Euglyphella projecta1 Coryell and Malkin 1936 ostracod
Units 7, 14-15
Octonaria laevilitata1 Kesling and Kilgore 1952 ostracod
Units 14, 15, 16, 17, 18
Octonaria quadricostata1 Van Pelt 1933 ostracod
Units 6, 7, 12, 14, 15, 16, 17, 23
Octonaria crescentiformis1 Van Pelt 1933 ostracod
Units 9, 12, 14, 15, 18, 23
 Podocopida - Microcheilinellidae
Microcheilinella mariettensis1 Kesling and Chilman 1978 ostracod
Units 12-13
 Podocopida - Bythocytheridae
Monoceratina casei1 Warthin 1934 ostracod
Units 9, 11-12, 14-15
 Platycopida - Cytherellidae
Birdsallella tumida1 Stewart 1936 ostracod
Units 6-7, 9, 11-12, 14-15, 17
Birdsallella devonica1 Coryell and Malkin 1936 ostracod
Unit 12
 Platycopida - Cavellinidae
Menoeidina subreniformis1 Stewart 1936 ostracod
Units 6-7, 9, 11-15, 17-18
Menoeidina arcuata1 Turner 1939 ostracod
Units 9, 11-12, 15, 18, 21
Anthozoa
 Auloporida - Aulocystidae
Kavaryella cracens
  -
Kavaryella cracens1 Kesling and Kilgore 1952
Units 12, 14