Where: Saudi Arabia (25.5° N, 45.0° E: paleocoordinates 0.1° S, 33.4° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Dhruma Formation (Shaqra Group), Bathonian (168.3 - 166.1 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 48405: authorized by Franz Fursich, entered by Simone Hicks on 18.03.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
Pseudocidaris levis sea urchin | |
Leioechinus namus sea urchin | |
Acrosalenia arabica sea urchin
Acrosalenia bowersi sea urchin
Acrosalenia sp. Agassiz 1840 sea urchin
Acrosalenia humei sea urchin | |
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Holectypus cf. depressus sea urchin
Holectypus phelani sea urchin | |
Farquharsonia somaliensis sea urchin
Farquharsonia crenulata sea urchin | |
Polycyphus parvituberculatus sea urchin | |
Rhabdocidaris magharensis pencil urchin
Rhabdocidaris copeoides Agassiz and Desor 1847 pencil urchin | |
Cephalopoda | |
Tulites tuwaiquensis ammonite
Tulites arabicus Arkell 1952 ammonite
Tulites erymnoides Arkell 1952 ammonite | |
Oxycerites sp. Rollier 1909 ammonite | |
Paracenoceras ex gr. prohexagonum Spath 1935 nautiloid | |
Eutrephoceras rotundum Crick 1898 nautiloid | |
Gastropoda | |
Pseudomelania sp. Pictet and Campiche 1862 snail | |
"Ampullaria sp." = Natica (Ampullaria)
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"Cylindrites sp." = Rugalindrites
"Cylindrites sp." = Rugalindrites Gründel and Nützel 2012 snail | |
Discohelix sp. Dunker 1847 snail | |
"Nerinea bruntrutana" = Ptygmatis pseudobruntrutana
"Nerinea bruntrutana" = Ptygmatis pseudobruntrutana Gemmellaro 1865 snail | |
Bivalvia | |
"Nucula ex gr. castor" = Nuculoma castor, "Nucula cf. cuneiformis" = Nucula (Palaeonucula) cuneiformis
"Nucula ex gr. castor" = Nuculoma castor d'Orbigny 1850 nut clam
"Nucula cf. cuneiformis" = Nucula (Palaeonucula) cuneiformis Sowerby 1840 nut clam | |
Homomya cf. gibbosa, Pholadomya lirata, Pholadomya cf. ovalis, "Pholadomya protei" = Pholadomya (Bucardiomya) protei
Homomya cf. gibbosa Sowerby 1814 clam
Pholadomya lirata Sowerby 1818 clam
Pholadomya cf. ovalis Sowerby 1819 clam
"Pholadomya protei" = Pholadomya (Bucardiomya) protei Brongniart 1821 clam | |
Ceratomya excentrica Roemer 1836 clam | |
Pseudisocardia cf. macfadyeni Cox 1935 clam | |
Ceratomyopsis cf. arabica Cox 1935 clam | |
Protocardia cf. hillanum cockle | |
Fimbria cf. lajoyei d'Archiac 1843 clam | |
Neocrassina ovata clam | |
Trigonia ex gr. pullus Sowerby 1826 clam | |
Arcomytilus somaliensis mussel
Inoperna cf. sowerbyana mussel | |
Camptonectes laminatus Sowerby 1818 scallop
Chlamys nattheimensis scallop
"Chlamys cf. textorius" = Chlamys textoria Schlotheim 1820 scallop | |
Limatula gibbosa, Plagiostoma cf. laeviusculum, "Plagiostoma gigantea" = Plagiostoma giganteum, Plagiostoma cf. subcardiiformis
Limatula gibbosa file clam
Plagiostoma cf. laeviusculum file clam
"Plagiostoma gigantea" = Plagiostoma giganteum Sowerby 1814 file clam
Plagiostoma cf. subcardiiformis Greppin 1867 file clam | |
"Entolium cf. corneolum" = Entolium (Entolium) corneolum
"Entolium cf. corneolum" = Entolium (Entolium) corneolum Young and Bird 1828 scallop | |
Gervillella cf. aviculcides oyster | |
"Lopha solitaria" = Actinostreon gregareum
"Lopha solitaria" = Actinostreon gregareum Sowerby 1816 oyster | |
Bilobissa sublobata Deshayes 1830 oyster
Gryphaea costellata Douvillé 1916 oyster | |
Parallelodon hirsonensis d'Archiac 1843 clam | |
Rhynchonellata | |
Daghanirhynchia subversabilis Weir 1925 | |
"Cererithyris wylliei" = Tubithyris wylliei
"Cererithyris wylliei" = Tubithyris wylliei Weir 1929 | |
Anthozoa | |
Andemantastraea gaultierensis Koby 1906 stony coral | |
Astraraea amorpha stony coral |