ammonites
Hintze A Section, A170.5, House Range, House Limestone, Millard (Ordovician of the United States)

Where: Utah (39.1° N, 113.4° W: paleocoordinates 6.5° S, 85.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Barn Canyon Member (House Formation), Tremadocian (488.3 - 478.6 Ma)

• Symphysurina trilobite subzone, Cordylodus angulatus conodont zone

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified lime mudstone and lithified, fine-grained grainstone

• relatively shallow-water with moderate- to low-energy conditions slightly above to slightly below fair-weather wave base

Size class: macrofossils

Primary reference: L. E. Holmer, L. E. Popov, M. Streng and J. F. Miller. 2005. Lower Ordovician (Tremadocian) lingulate brachiopods from the House and Fillmore Formations, Ibex area, Western Utah, USA. Journal of Paleontology 79(5):884-906 [W. Kiessling/U. Merkel] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 66829: authorized by Wolfgang Kiessling, entered by Uta Merkel on 18.10.2006