Shaqra Group (upper Dhruma D7 Hisyan Mb.2) (Jurassic of Saudi Arabia)

Where: Saudi Arabia (24.2° N, 46.6° E: paleocoordinates 2.0° S, 34.0° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Hisyan Mb. 2 Member (Dhruma Formation), Callovian (166.1 - 163.5 Ma)

Environment/lithology: lagoonal or restricted shallow subtidal; lithified limestone

• The Dhruma Fm essentially is composed of limestones and clayey rocks in its central outcrop zone but passes to detrial facies northwards and southwards top of the reef limestone of Atash Mb.

Size classes: macrofossils, microfossils

Collection methods: bulk, mechanical,

Primary reference: J. Manivit, Y.-M. Le Nindre, and D. Vaslet. 1990. Le Jurassique D`Arabie Centrale. Document du BRGM 4(194):25-519 [F. Fursich/S. Hicks/W. Kiessling]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 45548: authorized by Franz Fursich, entered by Simone Hicks on 05.11.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Progonocythere laeviscula, Virgulacytheridea sherifensis
Progonocythere laeviscula
=laeviscula L. & M.=Ostrac.
Foraminifera
 Lituolacea - Nautiloculinidae
Nautiloculina oolithica
Nodosariata
 Vaginulinida - Vaginulinidae
Lenticulina munsteri
Ostracoda
 Podocopida -
Afrocytheridea faveolata
 Podocopida - Progonocytheridae
Kinkelinella sp.
 Podocopida -
Micropneumatocythere sp.