USGS Loc. 13395 - Richmond Branch [Salt Mountain Lmst] (Paleocene of the United States)

Where: Clarke County County, Alabama (31.4° N, 87.9° W: paleocoordinates 34.0° N, 70.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Salt Mountain Limestone Formation, Thanetian (59.2 - 56.0 Ma)

• LITHOSTRATIGRAPHIC RELATIONS: From the Salt Mountain Limestone, for which stratigraphic relations are not discussed in text. AGE: Paleocene in text; assigned to Thanetian by enterer following other collections. STRATIGRAPHIC POSITION: From unknown position in local section.

• bed-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• LITHOLOGY: Limestone. LITHIFICATION: Lithified, on the basis of unit name.

Size class: macrofossils

Collected by Cooke; reposited in the USNM

Collection methods: surface (float), surface (in situ),

• COLLECTOR: C.W. Cooke. REPOSTORY: USNM (formerly USGS).

Primary reference: C. W. Cooke. 1959. Cenozoic echinoids of eastern United States. United States Geological Survey Professional Papers 321:1-106 [L. Villier/L. Villier/M. Hopkins]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 155901: authorized by Austin Hendy, entered by Austin Hendy on 03.05.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to echinoderms, but presumably corals and foraminifera are present. NOMENCLATURE: From authoritative publication, with antiquated nomenclature, and species-resolution identifications.
Show authors, comments, and common names
Echinoidea
 Cidaroida - Psychocidaridae
Tylocidaris salina n. sp.
Tylocidaris salina n. sp. Cooke 1959 pencil urchin
 Cidaroida - Cidaridae
Cidaris aff. splendens
Cidaris aff. splendens Morton 1841 pencil urchin