Lagoon community, Keyser Limestone (Devonian of the United States)

Where: West Virginia, Maryland, Pennsylvania (39.6° N, 77.7° W: paleocoordinates 42.1° S, 30.9° W)

• coordinate based on political unit

• basin-level geographic resolution

When: Keyser Limestone Formation, Early/Lower Devonian (419.2 - 393.3 Ma)

• "earliest Dev? (overlies Tonoloway Ls)"

Environment/lithology: shallow subtidal; burrowed, peloidal lime mudstone and grainstone

• "carbonates; nodular pelmicrites, peloidal calcarenites, some bioturbation; some small oncolites, some stromatopoid biostromes. BA2, back-barrier lagoon; shallow subtidal"

Size class: macrofossils

Primary reference: J. H. Makurath. 1977. Marine faunal assemblages in the Siurian-Devonian Keyser Limestone of the central Appalachians. Lethaia 10:235-256 [M. Uhen/J. Ju/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 650: authorized by Jack Sepkoski, entered by Mike Sommers on 06.04.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Makurath, 1977"
Show authors, comments, and common names
 Rhombifera - Callocystitidae
Lepocrinites manlius
Strophomenata
 Orthotetida - Schuchertellidae
Schuchertella sp.
Schuchertella sp. Girty 1904
 Strophomenida - Strophochonetidae
? Eccentricosta sp.
? Eccentricosta sp.
originally entered as "? Eccentricosta sp."
 Strophomenida - Strophonellidae
Strophonella sp.
Strophonella sp. Hall 1879
 Strophomenida - Leptostrophiidae
Leptostrophia sp.
Leptostrophia sp. Hall and Clarke 1892
Rhynchonellata
 Spiriferida - Delthyrididae
Howellella sp.
Howellella sp. Kozlowski 1946
 Athyridida - Nucleospiridae
Nucleospira sp.
Nucleospira sp. Hall 1859
 Athyridida - Athyrididae
Protathyris sp.
 Athyridida - Rhynchospirinidae
Rhynchospirina sp.
Rhynchospirina sp. Schuchert and LeVene 1929
 Atrypida - Atrypidae
Atrypa sp.
Atrypa sp. Dalman 1828
 Rhynchonellida - Trigonirhynchiidae
Cupularostrum sp., Rhynchotreta sp.
Cupularostrum sp. Sartenaer 1961
Rhynchotreta sp. Hall 1879
 Rhynchonellida - Machaerariidae
Machaeraria sp.
Machaeraria sp. Cooper 1955
 Orthida - Dalmanellidae
Isorthis sp.
Isorthis sp. Kozlowski 1929
Bryozoa
  -
Bryozoa indet.
Bryozoa indet. Ehrenberg 1831
encrusting
Stenolaemata
 Fenestrata -
Fenestrata indet.
Fenestrata indet. Elias and Condra 1957
fenestrate bryozoan; most common bryozoan
 Trepostomata -
? Trepostomata indet.
? Trepostomata indet. Ulrich 1882
ramose bryozoan - originally entered as "? Trepostomata indet."
Gastropoda
 Streptoneura -
? Archaeogastropoda indet.
? Archaeogastropoda indet. Thiele 1925 snail
gastropods - originally entered as "? Archaeogastropoda indet."
Deuteropoda
  -
Ostracoda indet.
Ostracoda indet. Latreille 1802 ostracod
Anthozoa
 Rugosa -
Rugosa indet.
Rugosa indet. horn coral
rugosan
 Tabulata -
Tabulata indet.
Tabulata indet. tabulate coral
favositid
Stromatoporoidea
 Stromatoporoidea -
Stromatoporoidea indet.
Stromatoporoidea indet. stromatoporoid sponge
domal and digitate