Where: Tennessee (36.0° N, 83.9° W: paleocoordinates 29.2° S, 64.3° W)
• coordinate based on political unit
• local area-level geographic resolution
When: Benbolt Formation, Caradoc (458.4 - 449.5 Ma)
• Ashbyan
• formation-level stratigraphic resolution
Environment/lithology: deep subtidal ramp; lithified, peloidal, shelly/skeletal, gray, argillaceous packstone and lithified, calcareous mudstone
Size class: macrofossils
Preservation: original calcite
Primary reference: R. S. Bassler. 1950. New genera of American Middle Ordovician "Cystoidea". Journal of the Washington Academy of Sciences 40(9):273-277 [S. Holland/S. Holland/S. Holland]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 37903: authorized by Steven Holland, entered by Steven Holland on 27.03.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Paracrinoidea | |
Foerstecystis obliqua n. gen. n. sp., Springerocystis longicollis n. gen. n. sp.
Foerstecystis obliqua n. gen. n. sp.
Springerocystis longicollis n. gen. n. sp. Bassler 1950 |