Rustaq section, uppermost part of lower ammonoid unit (Permian of Oman)

Where: Oman (23.4° N, 57.4° E: paleocoordinates 35.7° S, 52.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Hamrat Duru Formation, Roadian (272.3 - 268.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: basinal (); lithified, shelly/skeletal, red, argillaceous packstone

• Dark red, argillaceous Halstatt-type limestones that contain abundant crinoid ossicles, a few ammonoids, and volcanogenic grains

Size class: macrofossils

Collected by A. Pillevuit

• Repository: Musee de Geologie, Lausanne (MGL)

Primary reference: J. F. Becq-Giraudon and A. Pillevuit. 1995. Trilobites du Permien supérieur (Murghabien/Midien) du Nord de l'Oman. Eclogae Geologicae Helvetiae 88:761-775 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138774: authorized by Matthew Clapham, entered by Matthew Clapham on 27.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Proetida - Proetidae
Timoraspis breviceps Gheyselinck 1937 trilobite
Cephalopoda
 Goniatitida - Adrianitidae
? Epadrianites sp. Schindewolf 1931 ammonite
 Goniatitida - Paragastrioceratidae
? Altudoceras sp. Ruzhencev 1940 ammonite
 Goniatitida - Vidrioceratidae
Stacheoceras sp. Gemmellaro 1887 ammonite
 Goniatitida - Popanoceratidae
"Tauroceras sp." = Neopopanoceras
"Tauroceras sp." = Neopopanoceras Schindewolf 1939 ammonite
 Prolecanitida - Medlicottiidae
Propinacoceras sp. Gemmellaro 1887 ammonite