Eccentricosta Community, Pridolian, Piscataquis County, Maine (Silurian of the United States)

Where: Maine (46.0° N, 69.0° W: paleocoordinates 29.9° S, 31.9° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Pridoli (423.0 - 419.2 Ma)

• Details of USNM locality needed to be more specific about stratigraphy.

Environment/lithology: marine

• General environment for community said to be one of "normal levels of current activity and oxygen...BA 3..."

•SEP: see my comments for 24910

• [No lithologic data given for this particular collection. The community is said to occur "in varied lithologies, including muddy to fine-grained calcarenite, muddy fine-grained sandstgone, and also fine- to medium-grained volcanic tuff."

Reposited in the USNM

• Abundances stated in text.

•I have not included taxa said to belong to this community but not occurring at this locality.

Primary reference: A. J. Boucot. 1999. Some Wenlockian-Geddinian, chiefly brachiopod dominated communities of North America. In A. J. Boucot, J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 549-591 [M. Foote/M. Foote/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 24849: authorized by Michael Foote, entered by Michael Foote on 21.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita indet. Walch 1771 trilobite
 Productida - Strophochonetidae
 Strophomenida - Leptostrophiidae
Mesoleptostrophia sp. Harper and Boucot 1978
 Strophomenida - Strophodontidae
 Strophomenida - Strophonellidae
"Strophonella euglypha" = Strophoprion euglypha
"Strophonella euglypha" = Strophoprion euglypha Dalman 1828
 Athyridida - Nucleospiridae
Nucleospira sp. Hall 1859
 Spiriferida - Delthyrididae
Delthyris sp. Dalman 1828
 Pentamerida - Gypidulidae
Gypidula sp. Hall 1867
genus name in quotes
 Atrypida - Atrypidae
Atrypa reticularis Linnaeus 1758
species name in quotes
 Rhynchonellida - Machaerariidae
Ferganella sp. Nikiforova 1937
 Orthida - Rhipidomellidae
Dalejina sp. Havlicek 1953
 Orthida - Dalmanellidae
Resserella sp. Bancroft 1928
 Orthida - Hesperorthidae
Dolerorthis sp. Schuchert and Cooper 1931