Silica Shale, Unit C South: Givetian, Indiana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Vermiformichnus sp.
1 individual
Anthozoa - Favositida - Pachyporidae
Trachypora alpenensis
1 individual
synonym of Thamnoptychia
Anthozoa - Auloporida - Auloporidae
Aulopora microbuccinata
6 individuals
Anthozoa - Auloporida - Aulocystidae
Aulocystis lucasensis
1 individual
Anthozoa - Rugosa
Rugosa indet. Milne-Edwards and Haime 1850
4 individuals
unclassified
Porifera indet. Grant 1836
1 individual
Gastropoda - Euomphalina - Platyceratidae
Platyceras sp. Conrad 1840
7 individuals
Tentaculitida - Tentaculitidae
Tentaculites sp. von Schlotheim 1820
1 individual
Strophomenata - Strophomenida - Strophodontidae
Megastrophia concava
1 individual
Strophodonta sp. (Hall 1852)
4 individuals
corrected as Strophomena (Strophodonta)
Strophodonta extenuata
1 individual
corrected as Strophomena (Strophodonta)
Strophodonta fissicosta
1 individual
corrected as Strophomena (Strophodonta)
Strophodonta demissa (Conrad 1842)
2 individuals
recombined as Strophodonta (Strophodonta) demissa
Strophomenata - Strophomenida - Chonetidae
Devonochonetes sp. Muir-Wood 1962
42 individuals
Devonochonetes fragilus
2 individuals
Devonochonetes scitulus (Hall 1857)
27 individuals
Devonochonetes coronatus (Hall 1857)
16 individuals
Strophomenata - Orthotetida - Areostrophiidae
Orthopleura sp.
1 individual
replaced by Imbriea
Rhynchonellata - Spiriferida - Spinocyrtiidae
Spinocyrtia euryteines
1 individual
Rhynchonellata - Spiriferida - Mucrospiriferidae
Mucrospirifer sp. Grabau 1931
99 individuals
Mucrospirifer prolificus
8 individuals
Mucrospirifer profundus
11 individuals
Mucrospirifer mucronatus (Conrad 1841)
16 individuals
Rhynchonellata - Terebratulida - Rhipidiothyrididae
Rhipidothyris sp.
1 individual
Rhynchonellata - Atrypida - Atrypidae
Pseudoatrypa devoniana (Webster 1921)
1 individual
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Cupularostrum sp. Sartenaer 1961
4 individuals
Craniata - Craniopsida - Craniopsidae
Craniops hamiltoniae (Hall 1867)
30 individuals
Stenolaemata - Cystoporata - Fistuliporidae
Fistulipora sp. McCoy 1850
23 individuals
Stenolaemata - Trepostomida - Atactotoechidae
Leptotrypella ohioensis
1 individual
Stenolaemata - Trepostomata
Trepostomata indet. Ulrich 1882
7 individuals
Polychaeta - Sabellida - Serpulidae
Spirorbis sp. Daudin 1800
3 individuals
Tentaculita - Styliolinida - Styliolinidae
Styliolina sp. Karpinsky 1884
1 individual
Trilobita - Phacopida - Phacopidae
Phacops sp. Emmrich 1839
3 individuals
see common names

Geography
Country:United States State/province:Indiana
Coordinates: 41.1° North, 84.9° West (view map)
Paleocoordinates:36.6° South, 32.2° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Devonian Epoch:Middle Devonian
Stage:Givetian 10 m.y. bin:Devonian 3
Key time interval:Givetian
Age range of interval:387.70000 - 382.70000 m.y. ago
Stratigraphy
Geological group:Traverse Formation:Silica
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: lithified mudstone
Secondary lithology: lithified packstone
Includes fossils?Y
Includes fossils?Y
Environment:offshore shelf Tectonic setting:cratonic basin
Taphonomy
Modes of preservation:body,original calcite
Size of fossils:macrofossils
Articulated whole bodies:some
Associated major elements:some
Temporal resolution:time-averaged
Spatial resolution:autochthonous
Collection methods and comments
Collection excludes:difficult macrofossils
Collection methods:bulk,field collection
Reason for describing collection:paleoecologic analysis
Metadata
Database number:66000
Authorizer:S. Peters Enterer:S. Peters
Modifier:M. Carrano Research group:marine invertebrate
Created:2006-09-26 14:19:56 Last modified:2022-12-02 09:40:51
Access level:the public Released:2006-09-26 14:19:56
Creative Commons license:CC BY
Reference information

Primary reference:
15023. L. A. Wiedman. 1985. Community paleoecological study of the Silica Shale equivalent of northeastern Indiana. Journal of Paleontology 59(1):160-182 [S. Peters/S. Peters/S. Peters]