Orthid-bryozoan community, Manitoulin and Cabot Head Fms. (Silurian of Canada)

Where: Ontario, Canada (43.0° N, 79.3° W: paleocoordinates 24.2° S, 48.2° W)

• coordinate based on political unit

When: Cycle I zone, Llandovery (443.4 - 433.4 Ma)

• "lower Lland. cycle I. Manitoulin and Cabot Head Fms."

• group-level stratigraphic resolution

Environment/lithology: marine; dolomite

• "dolo and dolomitic ls; also some shale. stricklandia community equivalent (BA4)"

Size class: macrofossils

Primary reference: A. M. Ziegler. 1971. [M. Uhen/M. Uhen/J. Ju]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 446: authorized by Jack Sepkoski, entered by Mike Sommers on 08.12.1998, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Ziegler et al. 1971 unpublished. Schucher 1914. Fisher 1954. Bolton 1957."
Stromatoporoidea
 Clathrodictyida - Clathrodictyidae
Clathrodictyon sp. Nicholson and Murie 1878 stromatoporoid sponge
Scyphozoa
 Conulariida - Conulariidae
Conularia sp. jellyfish
Anthozoa
 Stauriida - Streptelasmatidae
Streptelasma sp. Hall 1847 horn coral
2 species
Enterolasma sp. Simpson 1900 horn coral
 Stauriida - Hapsiphyllidae
Neozaphrentis sp. Grove 1935 horn coral
 Favositida - Favositidae
Paleofavosites sp. Twenhofel 1914 tabulate coral
Favosites sp. Lamarck 1816 tabulate coral
Cephalopoda
 Orthocerida - Orthoceratidae
Michelinoceras sp. Foerste 1932
Gastropoda
 Murchisoniina - Murchisoniidae
"Hormotoma subulata" = Murchisonia subulata1
"Hormotoma subulata" = Murchisonia subulata1 Conrad 1842 snail
 Murchisoniina - Lophospiridae
Lophospiridae indet.2 Wenz 1938 snail
 Euomphalina - Holopeidae
 Euomphalina - Euomphalidae
 Euomphalina - Platyceratidae
"Naticonema niagarense" = Platyostoma niagarensis1
"Naticonema niagarense" = Platyostoma niagarensis1 Hall 1852 snail
Bivalvia
 Ostreida - Pterineidae
Pterinea sp. Goldfuss 1832 oyster
Lophophorata
 Tentaculitida - Tentaculitidae
Tentaculites sp. von Schlotheim 1820
Strophomenata
 Orthotetida - Chilidiopsidae
Fardenia sp. Lamont 1935
 Strophomenida - Sowerbyellidae
Plectodonta sp. Kozlowski 1929
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
 Strophomenida - Strophonellidae
Strophonella sp. Hall 1879
3 species
Rhynchonellata
 Rhynchonellida - Trigonirhynchiidae
Rhynchotreta sp. Hall 1879
4 species
 Rhynchonellida - Rhynchonellidae
Rhynchonella sp. Fischer 1809
 Orthida - Hesperorthidae
Hesperorthis sp. Schuchert and Cooper 1931
Dolerorthis sp. Schuchert and Cooper 1931
 Orthida - Glyptorthidae
Glyptorthis sp. Foerste 1914
 Orthida - Platystrophiidae
Platystrophia sp. King 1850
2 species
 Orthida - Rhipidomellidae
 Orthida - Dalmanellidae
"Parmorthis sp." = Resserella
"Parmorthis sp." = Resserella Bancroft 1928
 Atrypida - Atrypidae
Plectatrypa sp. Schuchert and Cooper 1930
2 species
Atrypa sp. Dalman 1828
 Athyridida - Anoplothecidae
Coelospira sp. Hall 1863
2 species
 Athyridida - Meristellidae
Whitfieldella sp. Hall and Clarke 1893
4 species
Lingulata
 Lingulida - Discinidae
Schizotreta sp. Kutorga 1848
Stenolaemata
 Cryptostomata - Rhinoporidae
 Cryptostomata - Rhinidictyidae
Pachydictya sp. Ulrich 1882
2 species
 Cryptostomata - Ptilodictyidae
Phaenopora sp. Hall 1851
3 species
 Cryptostomata - Semicosciniidae
Semicoscinium sp. Prout 1859
 Cryptostomata - Fenestellidae
Fenestrellina sp. d'Orbigny 1849
 Cryptostomata - Arthrostylidae
Helopora sp. Hall 1851
  - Phylloporinidae
 Trepostomata - Trematoporidae
Trematopora sp. Hall 1852
 Trepostomata - Heterotrypidae
Leioclema sp. Ulrich 1882
 Trepostomata - Halloporidae
Hallopora sp. Bassler 1911
Polychaeta
 Sabellida - Serpulidae
Spirorbis sp. Daudin 1800
 Phyllodocemorpha -
Tentaculita
 Cornulitida - Cornulitidae
Cornulites sp. Schlotheim 1820
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia sp. Rouault 1851 ostracod
 Podocopida - Bythocyprididae
Bythocypris sp. Brady 1880 ostracod
Trilobita
 Proetida - Otarionidae
Cyphaspis sp. Burmeister 1843 trilobite
 Phacopida - Encrinuridae
Encrinurus sp. Emmrich 1844 trilobite
 Phacopida - Calymenidae
Calymene sp. Brongniart 1822 trilobite
 Phacopida - Dalmanitidae
Dalmanites sp. Barrande 1852 trilobite