Where: Saudi Arabia (22.6° N, 46.0° E: paleocoordinates 3.2° S, 32.9° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Dhruma Formation (Shaqra Group), Bajocian (170.3 - 168.3 Ma)
Environment/lithology: lagoonal or restricted shallow subtidal; lithified limestone
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 48105: authorized by Franz Fursich, entered by Simone Hicks on 14.03.2005, edited by Wolfgang Kiessling
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
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Crinoidea | |
Apiocrinites sp. Miller 1821 Sea lily | |
Echinoidea | |
| |
Rhynchonellata | |
Monsardithyris ventricosa Hartmann 1830 | |
Tubithyris chouberti Rousselle 1965 | |
Bivalvia | |
Modiolus bipartitus Sowerby 1818 mussel
Inoperna cf. sowerbyana mussel | |
Eligmus polytypus Eudes-Deslongchamps 1856 oyster | |
"Lopha solitaria" = Actinostreon gregareum
"Lopha solitaria" = Actinostreon gregareum Sowerby 1816 oyster | |
Spondylopecten cf. subspinosus scallop
Chlamys nattheimensis scallop
"Chlamys cf. textorius" = Chlamys textoria Schlotheim 1820 scallop | |
Plagiostoma cf. laeviusculum, "Lima gigantea" = Plagiostoma gigantea, "Plagiostoma gigantea" = Plagiostoma giganteum
Plagiostoma cf. laeviusculum file clam
"Lima gigantea" = Plagiostoma gigantea Boehm 1911 file clam
"Plagiostoma gigantea" = Plagiostoma giganteum Sowerby 1814 file clam | |
Oxytoma cf. inaequivalis scallop | |
"Entolium cf. corneolum" = Entolium (Entolium) corneolum
"Entolium cf. corneolum" = Entolium (Entolium) corneolum Young and Bird 1828 scallop | |
Fimbria cf. lajoyei d'Archiac 1843 clam | |
Ceratomya cf. concentrica Sowerby 1822 clam | |
Pseudisocardia cf. macfadyeni Cox 1935 clam | |
"Pholadomya somaliensis" = Pholadomya (Bucardiomya) somaliensis, Homomya cf. gibbosa
"Pholadomya somaliensis" = Pholadomya (Bucardiomya) somaliensis Cox 1935 clam
Homomya cf. gibbosa Sowerby 1814 clam | |
Trigonia ex gr. pullus Sowerby 1826 clam | |
Cephalopoda | |
Ermoceras sp., Ermoceras deserti, Ermoceras coronatoides, Ermoceras splendens, Ermoceras magnificum, Ermoceras runcinatum, "Ermoceras elegans" = Ermoceras (Kosmermoceras) elegans
Ermoceras deserti Douvillé 1916 ammonite
Ermoceras coronatoides Douvillé 1916 ammonite
Ermoceras splendens Arkell 1952 ammonite
Ermoceras magnificum Arkell 1952 ammonite
Ermoceras runcinatum Arkell 1952 ammonite
"Ermoceras elegans" = Ermoceras (Kosmermoceras) elegans Douvillé 1916 ammonite | |
Gastropoda | |
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Foraminifera | |