UWBM B-6901 Muddy Mountains, Bird Spring Fm. (Carboniferous of the United States)

Where: Clark County County, Nevada (36.4° N, 114.6° W: paleocoordinates 1.5° N, 45.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Bird Spring Formation, Bashkirian (323.2 - 315.2 Ma)

• Morrowan is equivalent to Bashkirian according to Heckel and Clayton, 2006 (Geologica Acta 4:403-407)

• formation-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified wackestone

Size class: macrofossils

Collection methods: peel or thin section

Primary reference: E. H. Gilmour. 2007. New Carboniferous Bryozoa of the Bird Spring Formation, Southern Nevada. Journal of Paleontology 81(3):581-587 [N. Bonuso/P. Monarrez]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 141541: authorized by Nicole Bonuso, entered by Pedro Monarrez on 28.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Rhabdomesida - Rhabdomesidae
Nicklesopora avia Gilmour 2007
Lutulentus muralspineus