Where: Saudi Arabia (26.8° N, 43.6° E: paleocoordinates 48.4° S, 127.0° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: convulutus zone, Qusayba Shale Member (Tabuk Formation), Llandovery (443.4 - 433.4 Ma)

• Idwian Stage; 8 meters below top of Qusayba Shale

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Preservation: mold/impression

Reposited in the SM

Primary reference: A. T. Thomas. 1977. Classification and phylogeny of homalonotid trilobites. Palaeontology 20(1):159-178 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 228241: authorized by Melanie Hopkins, entered by Melanie Hopkins on 24.11.2022

Creative Commons license: CC BY (attribution)