PBDB Collection

Silica Shale, Unit C1Y (Devonian of the United States)

Where: Indiana (41.1° N, 84.9° W: paleocoordinates 36.6° S, 32.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified mudstone and lithified packstone

Size class: macrofossils

Preservation: original calcite

Collection methods: bulk,

Primary reference: 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]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 66001: authorized by Shanan Peters, entered by Shanan Peters on 26.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Decatocrinus sp. Decatocrinus sp.
Trilobita
Proetida - Proetidae	"Dechenella lucasensis" = Basidechenella lucasensis "Dechenella lucasensis" = Basidechenella lucasensis Stumm 1965 trilobite
Phacopida - Phacopidae	"Phacops rana" = Eldredgeops rana "Phacops rana" = Eldredgeops rana Green 1832 trilobite
Stenolaemata
Trepostomata -	Trepostomata indet. Trepostomata indet. Ulrich 1882
Cystoporata - Fistuliporidae	Fistulipora sp. Fistulipora sp. McCoy 1850
Cyclostomata - Hederellidae	Hederella alpenensis, Hederella delicatula, Hederella filiformis, Hederella thedfordensis Hederella alpenensis Hederella delicatula Hederella filiformis Hederella thedfordensis
Cryptostomata - Fenestellidae	Lyropora devonica Lyropora devonica
Cryptostomata - Ptilodictyidae	Stictoporina granulifera Stictoporina granulifera
Cryptostomata -	Intrapora irregularis Intrapora irregularis
Trepostomida - Atactotoechidae	Leptotrypella ohioensis Leptotrypella ohioensis
Lophophorata
Tentaculitida - Tentaculitidae	Tentaculites sp. Tentaculites sp. von Schlotheim 1820
Craniata
Craniopsida - Craniopsidae	Craniops hamiltoniae Craniops hamiltoniae Hall 1867
Craniida - Craniidae	Philhedra stewarti Philhedra stewarti
Rhynchonellata
Spiriferida - Spinocyrtiidae	Spinocyrtia euryteines Spinocyrtia euryteines
Spiriferida - Mucrospiriferidae	Mucrospirifer sp., Mucrospirifer prolificus, Mucrospirifer profundus Mucrospirifer sp. Grabau 1931 Mucrospirifer prolificus Mucrospirifer profundus
Terebratulida - Rhipidiothyrididae	Rhipidothyris sp. Rhipidothyris sp.
Atrypida - Atrypidae	Pseudoatrypa devoniana Pseudoatrypa devoniana Webster 1921
Rhynchonellida - Trigonirhynchiidae	Cupularostrum sp. Cupularostrum sp. Sartenaer 1961
Strophomenata
Strophomenida - Strophodontidae	Megastrophia concava, "Strophodonta sp." = Strophomena (Strophodonta), "Strophodonta erratica" = Strophomena (Strophodonta), "Strophodonta extenuata" = Strophomena (Strophodonta) Megastrophia concava "Strophodonta sp." = Strophomena (Strophodonta) Hall 1852 "Strophodonta erratica" = Strophomena (Strophodonta) "Strophodonta extenuata" = Strophomena (Strophodonta)
Strophomenida - Chonetidae	Devonochonetes sp., Devonochonetes fragilis, Devonochonetes scitulus, Devonochonetes coronatus Devonochonetes sp. Muir-Wood 1962 Devonochonetes fragilis Devonochonetes scitulus Hall 1857 Devonochonetes coronatus Hall 1857
Orthotetida - Areostrophiidae	"Orthopleura sp." = Imbriea "Orthopleura sp." = Imbriea Reily 2020
Tentaculita
Styliolinida - Styliolinidae	Styliolina sp. Styliolina sp. Karpinsky 1884
Gastropoda
Euomphalina - Platyceratidae	Platyceras sp. Platyceras sp. Conrad 1840 snail
Bivalvia
-	Bivalvia indet. Bivalvia indet. Linnaeus 1758 clam
Anthozoa
Rugosa -	Rugosa indet. Rugosa indet. horn coral
Stauriida - Amplexidae	Heterophrentis simplex Heterophrentis simplex horn coral
Auloporida - Auloporidae	Aulopora microbuccinata Aulopora microbuccinata tabulate coral
Auloporida - Aulocystidae	Aulocystis auloporidea, Aulocystis lucasensis Aulocystis auloporidea tabulate coral Aulocystis lucasensis tabulate coral