Brooksville 2 (Ordovician of the United States)

Where: Bracken County, Kentucky (38.8° N, 84.1° W: paleocoordinates 27.0° S, 62.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Fulton Member (Kope Formation), Edenian (451.0 - 450.2 Ma)

• 55-57cm from base of outcrop

• bed-level stratigraphic resolution

Environment/lithology: offshore ramp; lithified, gray siltstone

• located on distal end of gently dipping paleoramp in storm-influenced depositional setting
• cyclically interbedded limestones silts and shales

Collection methods: bulk,

• Collected over thickness of bed

Primary reference: K.V. Bulinski. 2007. Analysis of sample-level properties along a paleoenvironmental gradient: the behavior of evenness as a function of sample size. Palaeogeography, Palaeoclimatology, Palaeoecology 243(3-4):490-508 [A. Miller/K. Bulinski/K. Bulinski]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 74872: authorized by Arnold Miller, entered by Kate Bulinski on 03.09.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• Identifications and census counts were made at the genus level. Bryozoans while abundance in other horizons of the type Cincinnatian were rare here and not counted. Brachiopods and Bivalves were counted as individuals when more than 50% of a valve was present. Gastropods and trilobites were counted as individuals when a whole body fossil or fragment could be identified to genus-level and crinoids were counted as individuals when approximately 1cm or more of an articulated stem was present in a sample and the columnal morphology permitted identification.
Show authors, comments, and common names
Crinoidea
 Inadunata - Merocrinidae
Merocrinus sp.
Merocrinus sp. Walcott 1884 Sea lily
 Homocrinida - Cincinnaticrinidae
Cincinnaticrinus sp.
Cincinnaticrinus sp. Warn and Strimple 1977 Sea lily
 Homocrinida - Homocrinidae
Ectenocrinus sp.
Ectenocrinus sp. Miller 1889 Sea lily
Trilobita
 Asaphida - Asaphidae
Isotelus sp.
Isotelus sp. Dekay 1824 trilobite
Rhynchonellata
 Orthida - Dalmanellidae
Dalmanella sp.
Dalmanella sp. Hall and Clarke 1892