St. Albans Fm. (Cambrian of the United States)

Where: Vermont (44.5° N, 73.2° W: paleocoordinates 31.9° S, 73.3° W)

• coordinate based on political unit

When: Paradoxides forchhammeri trilobite zone, St. Albans Shale Formation, Merioneth (497.0 - 485.4 Ma)

• "~Paradoxides forchammer zone"

Environment/lithology: marine; black, brown, gray shale

• "micaceouos black, gray-black and tan sh underlying congl.'s. outer shelf? (BA4??) (Palmer: outer detrital belt) geosynclinal

Size class: macrofossils

Primary reference: A. B. Shaw. 1966. Paleontology of Northwestern Vermont. XI Fossils from the Middle Cambrian St. Albans Shale. Journal of Paleontology 40:843-858 [M. Uhen/J. Ju]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 217: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• "A.B.Shaw 1966. Paleontology of northwestern Vermont. XI Fossils from the Middle Cambrian St. Albans Shale. J. Paleo 40:843-858"
Show authors, comments, and common names
Artiopoda
 Agnostida - Peronopsidae
Quadragnostus sp.
Quadragnostus sp. Howell 1935
 Agnostida -
Hastagnostus sp.
Hastagnostus sp. Howell 1937
 Agnostida - Ptychagnostidae
Ptychagnostus sp.
Ptychagnostus sp. Jaekel 1909
 Agnostida - Spinagnostidae
"Hypagnostus sp." = Hypagnostus, "Spinagnostus sp." = Hypagnostus
"Hypagnostus sp." = Hypagnostus Jaeckel 1909
"Spinagnostus sp." = Hypagnostus Jaeckel 1909
 Agnostida -
Grandagnostus sp.
Grandagnostus sp. Howell 1935
Trilobita
 Redlichiida - Centropleuridae
Centropleura sp.
Centropleura sp. Angelin 1854 trilobite
  - Llanoaspididae
Genevievella sp.
Genevievella sp. Lochmann 1936 trilobite
 Ptychopariida - Ptychopariidae
Vermontella sp.
Vermontella sp. Howel 1937 trilobite
 Ptychopariida - Solenopleuridae
Solenopleura sp.
Solenopleura sp. Angelin 1854 trilobite
 Ptychopariida - Marjumiidae
Modocia sp.
Modocia sp. Walcott 1924 trilobite
 Ptychopariida - Alokistocaridae
Alokistocarella sp., Elrathia sp.
Alokistocarella sp. Resser 1938 trilobite
Elrathia sp. Walcott 1924 trilobite
 Ptychopariida - Catillicephalidae
Catillicephala sp., "Onchonotopis sp." = Onchonotopsis
Catillicephala sp. Raymond 1937 trilobite
"Onchonotopis sp." = Onchonotopsis Rasetti 1946 trilobite
originally entered as "Onchonotopsis sp."
  - Holocephalinidae
Meneviella sp.
Meneviella sp. Stubblefield 1951 trilobite
Helcionelloida
 Helcionellida - Helcionellidae
Helcionella sp.
Helcionella sp. Grabau and Shimer 1909
Rhynchonellata
 Protorthida - Protorthidae
? Protorthis sp.
? Protorthis sp.
originally entered as "? Protorthia sp."
Lingulata
 Lingulida - Obolidae
Lingulepis sp.
Lingulepis sp. Hall 1863
originally entered as "Lingulepsis sp."
 Acrotretida - Acrotretidae
"Pegmatreta sp." = Linnarssonia
"Pegmatreta sp." = Linnarssonia Walcott 1885
originally entered as "Pegmatrea sp."