Tidal Flat community, Keyser Limestone (Devonian of the United States)

Where: West Virginia, Maryland, and Pennyslvania (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: peritidal; carbonate

• "mudcracks, birdeye, ripple x-laminae, algal laminae (carbonates). BA1 (peritidal and shallow subtidal ponds)"

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 649: authorized by Jack Sepkoski, entered by Mike Sommers on 06.04.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• "J.H. Makurath, 1977. Marine faunal assemblages in the Sil-Dev Keyser Limestone of the central Appalachians. Lethaia 10:235-256"
Show authors, comments, and common names
Lophophorata
 Tentaculitida - Tentaculitidae
Tentaculites gyracanthus
Gastropoda
 Streptoneura -
? Archaeogastropoda indet.
? Archaeogastropoda indet. Thiele 1925 snail
gastropod - originally entered as "? Archaeogastropoda indet."
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia sp.
Leperditia sp. Rouault 1851 ostracod
Stromatoporoidea
 Stromatoporoidea -
Stromatoporoidea indet.
Stromatoporoidea indet. stromatoporoid sponge
low-relief, domal