Shaqra Group (Hanifa Fm.) (Jurassic of Saudi Arabia)

Where: Saudi Arabia (23.1° N, 46.5° E: paleocoordinates 3.1° S, 33.4° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Hawtah Mb. 2 Member (Hanifa Formation), Oxfordian (163.5 - 157.3 Ma)

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

• The Hanifa Formation consisting of a lower carbonate and clayey part with more confined environment and a more calcareous and locally reefal upper part shows a further transgressive trend.

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 45818: authorized by Franz Fursich, entered by Simone Hicks on 06.12.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Foraminifera
 Lituolida - Lituolidae
Ammobaculites sp.
Ammobaculites sp. Cushman 1910
 Involutinina - Trocholinidae
Trocholina sp.
Trocholina sp. Paalzow 1922
=sp.2=Foram.
 Ataxophragmiacea - Globotextulariidae
Pseudomarssonella biangulata
 Textulariina - Pfenderinidae
Kurnubia sp., Kurnubia ex gr. palastiniensis
Kurnubia sp. Henson 1948
 Lituolacea - Nautiloculinidae
Nautiloculina oolithica, Nautiloculina sp.
Nautiloculina sp. Mohler 1938
Rhynchonellata
 Rhynchonellida - Tetrarhynchiidae
Somalirhynchia somalica
 Terebratulida - Terebratulidae
Terebratula sp.
Terebratula sp. Müller 1776
 Terebratulida - Zeilleriidae
Ornithella ex gr. hudlestoni
Gastropoda
 Pseudomelanoidea - Pseudomelaniidae
Pseudomelania sp.
Pseudomelania sp. Pictet and Campiche 1862 snail
 Sorbeoconcha - Tylostomatidae
Pterodonta sp.
Pterodonta sp. d'Orbigny 1843 snail
 Sorbeoconcha - Vermetidae
Vermetus sp.
Vermetus sp. Daudin 1800 worm shell
 Sorbeoconcha - Purpurinidae
Purpuroidea indet.
Purpuroidea indet. Lycett 1848 periwinkle
 Sorbeoconcha - Aporrhaidae
Aporrhais sp., Harpagodes sp., Anchura sp., Pietteia cf. hamus
Aporrhais sp. da Costa 1778 snail
Harpagodes sp. Gill 1870 snail
Anchura sp. Conrad 1860 snail
 Architaenioglossa - Ampullinidae
"Ampullospira sp." = Ampullina (Ampullospira)
"Ampullospira sp." = Ampullina (Ampullospira) Harris 1897 snail
 Heterostropha - Nerineidae
Cossmannea cf. tuberculata, Nerinea cf. mosae
 Heterostropha - Nerinellidae
Aptyxiella sp.
Aptyxiella sp. Fischer 1885 snail
 Vetigastropoda - Discohelicidae
Discohelix douvillei, Discohelix sp., Discohelix elegantulum
Discohelix sp. Dunker 1847 snail
 Pleurotomarioidea - Pleurotomariidae
Pleurotomaria sp.
Pleurotomaria sp. Defrance 1826 snail
 Trochoidea - Trochidae
Trochus sp.
Trochus sp. Linnaeus 1758 top snail
Bivalvia
 Ostreida - Gryphaeidae
"Nanogyra nana" = Nanogyra (Nanogyra) nana
"Nanogyra nana" = Nanogyra (Nanogyra) nana Sowerby 1822 oyster
 Mytilida - Mytilidae
Modiolus sp.
Modiolus sp. Lamarck 1801 mussel
 Pholadomyida - Pholadomyidae
Pholadomya sp.
Pholadomya sp. Sowerby 1823 clam