Wadi Daiqa, Am4 Mbr [Amdeh Fm] (Ordovician to of Oman)

Where: Oman (23.2° N, 58.3° E: paleocoordinates 27.0° S, 139.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Am5 Member (Amdeh Formation), Dapingian to Dapingian (470.0 - 458.4 Ma)

• STRATIGRAPHIC RELATIONS: From the Amdeh Fm, which overlies the Hijam Dolomite Fm, and is overlain by the Saiq Fm. AGE: ?Dapingian–early Darriwilian, Middle Ordovician; on the basis of chitinozoans; placed in Arenig to avoid orphaning. STRATIGRAPHIC POSITION: From the Am4 member.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, coarse-grained sandstone

• ENVIRONMENT: Nearshore.
• SPECIFIC LITHOLOGY: Coarse-grained, angular sandstone. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Collection methods: surface (in situ),

• COLLECTOR: Unknown. REPOSITORY: Oman Natural History Museum (ONHM).

Primary reference: I. J. Sansom, C. G. Miller, A. Heward, N. S. Davies, G. A. Booth, R. A. Fortey, and F. Paris. 2009. Ordovician fish from the Arabian Peninsula. Palaeontology 52(2):337-342 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90376: authorized by Austin Hendy, entered by Austin Hendy on 17.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for marine vertebrates, and including trace fossils and trilobites. NOMENCLATURE: Not an authoritative publication, and lacking species-level identifications, but with modern nomenclature.
Show authors, comments, and common names
Protozoa
  -
Belonechitina cf. micracantha, Lagenochitina obeligis, Laufeldochitina baculiformis
Pteraspidomorpha
 Arandaspida - Arandaspididae
Sacabambaspis sp.