Weyerhaeuser Briar Plant Quarry, TMM 43041 (Cretaceous of the United States)

Also known as Nashville tracksite

Where: Howard County, Arkansas (34.1° N, 93.8° W: paleocoordinates 30.8° N, 51.4° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: De Queen Formation, Early/Lower Albian (112.0 - 109.0 Ma)

• 2 layers in middle of formation

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified, lenticular, burrowed, bioturbated, gray, sandy wackestone and lithified, bioturbated, shelly/skeletal, gray wackestone

• Light gray arenaceous wackestone and packstone; lenticular bedding; mudcracks; salt hoppers; wave ripples; verticle burrows; grazing traces of gastropods.

•Light gray wackstone; shell debris abundant; very biotrubated.

Size class: macrofossils

Preservation: cast, trace

Collected by J. Pittman & D. Gillette in 1983; reposited in the TMM

Collection methods: quarrying, surface (in situ), mechanical, peel or thin section,

• trackways destroyed by blasting, November 1983

Primary reference: J. G. Pittman. 1984. Geology of the De Queen Formation of Arkansas. Transactions of the Gulf Coast Association of Geological Societies 34:201-209 [M. Carrano/M. Carrano/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 52179: authorized by Matthew Carrano, entered by Kaitlin Maguire on 29.07.2005, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Anomiidae
 Cardiida - Corbiculidae
Cephalopoda
 Ammonitida - Douvilleiceratidae
Douvilleiceras sp.2 Grossouvre 1894 ammonite
Gnathostomata
  -
Chondrichthyes indet.2 Huxley 1880 cartilaginous fish
Actinopteri
 Pycnodontiformes - Pycnodontidae
Pycnodus indet.2 Agassiz 1835
Reptilia
 Testudines -
Testudines indet.2 Batsch 1788 turtle
 Saurischia -
Brontopodus birdi1 Farlow et al. 1989 sauropod
 Loricata -
Crocodylia indet.2 crocodilian