Silica Shale Unit B - South (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 66003: 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., Cayugea sp., Vermiformichnus sp.
Polychaeta
 Sabellida - Serpulidae
Spirorbis sp.
Spirorbis sp. Daudin 1800
Tentaculita
 Styliolinida - Styliolinidae
Styliolina sp.
Styliolina sp. Karpinsky 1884
Gastropoda
 Euomphalina - Platyceratidae
Platyceras sp.
Platyceras sp. Conrad 1840 snail
Craniata
 Craniopsida - Craniopsidae
Craniops hamiltoniae
Rhynchonellata
 Rhynchonellida - Trigonirhynchiidae
Cupularostrum sp.
Cupularostrum sp. Sartenaer 1961
 Spiriferida - Mucrospiriferidae
Mucrospirifer sp., Mucrospirifer prolificus, Mucrospirifer profundus, Mucrospirifer mucronatus
Mucrospirifer sp. Grabau 1931
 Spiriferida - Spinocyrtiidae
Spinocyrtia euryteines, Mediospirifer audaculus
 Atrypida - Atrypidae
Pseudoatrypa devoniana
 Spiriferinida - Cyrtinidae
Cyrtina hamiltonensis
 Terebratulida - Rhipidiothyrididae
Rhipidothyris sp.
Strophomenata
 Strophomenida - Leptostrophiidae
Protoleptostrophia perplana
 Strophomenida - Chonetidae
Devonochonetes sp., Devonochonetes fragilus, Devonochonetes coronatus, Devonochonetes scitulus
Devonochonetes sp. Muir-Wood 1962
 Strophomenida - Strophodontidae
"Strophodonta sp." = Strophomena (Strophodonta), "Strophodonta erratica" = Strophomena (Strophodonta), "Strophodonta extenuata" = Strophomena (Strophodonta), "Strophodonta fissicosta" = Strophomena (Strophodonta), "Strophodonta demissa" = Strophodonta (Strophodonta) demissa
"Strophodonta sp." = Strophomena (Strophodonta) Hall 1852
"Strophodonta erratica" = Strophomena (Strophodonta)
"Strophodonta extenuata" = Strophomena (Strophodonta)
"Strophodonta fissicosta" = Strophomena (Strophodonta)
"Strophodonta demissa" = Strophodonta (Strophodonta) demissa Conrad 1842
 Orthotetida - Areostrophiidae
"Orthopleura sp." = Imbriea
"Orthopleura sp." = Imbriea Reily 2020
Lophophorata
 Tentaculitida - Tentaculitidae
Tentaculites sp.
Tentaculites sp. von Schlotheim 1820
Stenolaemata
 Trepostomata -
Trepostomata indet.
Trepostomata indet. Ulrich 1882
 Cystoporata - Fistuliporidae
Fistulipora sp.
Fistulipora sp. McCoy 1850
 Cyclostomata - Hederellidae
Hederella filiformis
 Cryptostomata -
Intrapora irregularis
 Cryptostomata - Arthrostylidae
Helopora inexpectata
Trilobita
 Phacopida - Phacopidae
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite
Anthozoa
 Rugosa -
Rugosa indet.
Rugosa indet. horn coral
 Cystiphyllida - Cystiphyllidae
Cystiphylloides americanum
 Stauriida - Bethanyphyllidae
Bethanyphyllum robustum
 Stauriida - Zaphrentidae
Heliophyllum sp.
Heliophyllum sp. Hall 1846 horn coral
 Favositida - Pachyporidae
"Trachypora alpenensis" = Thamnoptychia
"Trachypora alpenensis" = Thamnoptychia tabulate coral
 Auloporida - Aulocystidae
Aulocystis lucasensis
Aulocystis lucasensis tabulate coral
 Auloporida - Auloporidae
Aulopora microbuccinata
unclassified
  -
Porifera indet.
Porifera indet. Grant 1836