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 65999: authorized by Shanan Peters, entered by Shanan Peters on 26.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Anthozoa
 Auloporida - Aulocystidae
Aulocystis lucasensis tabulate coral
 Auloporida - Auloporidae
 Favositida - Pachyporidae
"Trachypora alpenensis" = Thamnoptychia
"Trachypora alpenensis" = Thamnoptychia tabulate coral
 Rugosa -
Rugosa indet. horn coral
 Stauriida - Amplexidae
 Stauriida - Zaphrentidae
Heliophyllum sp. Hall 1846 horn coral
 Stauriida - Bethanyphyllidae
 Cystiphyllida - Cystiphyllidae
Trilobita
 Phacopida - Phacopidae
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite
Polychaeta
 Sabellida - Serpulidae
Spirorbis sp. Daudin 1800
Craniata
 Craniopsida - Craniopsidae
Strophomenata
 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
 Strophomenida - Leptostrophiidae
 Strophomenida - Chonetidae
 Orthotetida - Areostrophiidae
"Orthopleura sp." = Imbriea
"Orthopleura sp." = Imbriea Reily 2020
Rhynchonellata
 Spiriferida - Spinocyrtiidae
 Spiriferida - Mucrospiriferidae
 Spiriferinida - Cyrtinidae
 Rhynchonellida - Trigonirhynchiidae
Cupularostrum sp. Sartenaer 1961
 Terebratulida - Rhipidiothyrididae
 Atrypida - Atrypidae
"Pseudatrypa devoniana" = Pseudoatrypa devoniana
"Pseudatrypa devoniana" = Pseudoatrypa devoniana Webster 1921
Stenolaemata
 Cryptostomata -
 Cryptostomata - Arthrostylidae
 Cystoporata - Fistuliporidae
Fistulipora sp. McCoy 1850
 Cyclostomata - Hederellidae
 Trepostomata -
Trepostomata indet. Ulrich 1882
Lophophorata
 Tentaculitida - Tentaculitidae
Tentaculites sp. von Schlotheim 1820
Tentaculita
 Styliolinida - Styliolinidae
Styliolina sp. Karpinsky 1884
Gastropoda
 Euomphalina - Platyceratidae
Platyceras sp. Conrad 1840 snail
Crinoidea
 Diplobathrida - Rhodocrinitidae
Gilbertsocrinus sp. Phillips 1836 Sea lily