Djebel Murdjadjo reefs, Oran (Miocene of Algeria)

Also known as Reef 899

Where: Algeria (35.7° N, 0.8° W: paleocoordinates 35.6° N, 1.0° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Messinian (7.2 - 5.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• Porites buildups, 2-15 m thick, several hundred metres long, with interbedded Halimeda packstones/grainstones

Size class: macrofossils

Primary reference: J.-P. Saint Martin. 1990. Les formations recifales coralliennes du Miocene superieur d'Algerie et du Maroc [Upper Miocene coral reef formations from Algeria and Morocco]. Memoires du Museum National d'Histoire Naturelle de Paris, C 56:1-373 [W. Kiessling/U. Merkel/S. Ávila]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 70786: authorized by Wolfgang Kiessling, entered by Uta Merkel on 05.04.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Ulvophyceae
 Bryopsidales - Halimedaceae
Halimeda sp. Lamouroux 1812
Malacostraca
 Decapoda - Xanthidae
Lachnopodus murdjadjensis Saint Martin and Muller 1988 stone crab
Sedentaria
 Sabellida - Serpulidae
Serpulidae indet. Rafinesque 1835
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Gastropoda
 Heterostropha - Architectonicidae
Architectonica sp. Röding 1798 sundial
 Trochoidea - Trochidae
Trochidae indet. Rafinesque 1815 top snail
Clanculus sp. Monfort 1810 top snail
 Lepetellida - Fissurellidae
Diodora sp. Gray 1821 snail
 Lepetellida - Haliotidae
Haliotis cf. tuberculata Linnaeus 1758 abalone
 Cerithioidea - Turritellidae
 Sorbeoconcha - Naticidae
Polinices sp. Monfort 1810 moon snail
 Sorbeoconcha - Triforidae
 Sorbeoconcha - Vermetidae
Vermetus sp. Daudin 1800 worm shell
 Neogastropoda - Conidae
Conus sp. Linnaeus 1758 cone shell
 Neogastropoda - Columbellidae
"Columbella cf. fallax" = Pyrene (Atilia) fallax
"Columbella cf. fallax" = Pyrene (Atilia) fallax Hörnes and Auinger 1880 snail
 Neogastropoda - Marginellidae
Marginella sp. Lamarck 1799 margin shell
 Sorbeoconcha - Ficidae
Ficus sp. Röding 1798 fig shell
 Sorbeoconcha - Cypraeidae
Cypraea sp. Linnaeus 1758 cowry
 Sorbeoconcha - Campanilidae
Thericium vulgatum Bruguière 1789 snail
 Opisthobranchia - Bullidae
Bulla sp. Linnaeus 1758 snail
Bivalvia
 Pectinida - Pectinoidae
"Chlamys pusio" = Talochlamys pusio, Spondylus sp.
"Chlamys pusio" = Talochlamys pusio Linnaeus 1758 scallop
Spondylus sp. Linnaeus 1758 scallop
 Pectinida - Limidae
Lima lima Linnaeus 1758 file clam
 Arcida - Arcidae
"Barbatia barbata" = Barbatia (Barbatia) barbata Linnaeus 1758 clam
Arca noae Linnaeus 1758 ark
 Carditida - Carditidae
"Cardita calyculata" = Cardita (Cardita) calyculata
"Cardita calyculata" = Cardita (Cardita) calyculata Linnaeus 1758 clam
 Cardiida - Tellinidae
Gastrana fragilis Linnaeus 1758 tellin clam
 Cardiida - Cardiidae
? Cardium sp. Linnaeus 1758 cockle
 Cardiida - Chamidae
Chama gryphoides Linnaeus 1758 jewel box
 Cardiida - Veneridae
"Venus multilamella" = Venus (Ventricoloidea) multilamella
"Venus multilamella" = Venus (Ventricoloidea) multilamella Lamarck 1818 venus clam
 Lucinida - Lucinidae
"Codakia decussata" = Codakia (Ctena) decussata Costa 1829 clam
Linga columbella Lamarck 1818 clam
Echinoidea
 Camarodonta - Echinidae
Psammechinus sp. sea urchin
Anthozoa
 Scleractinia - Poritidae
Porites aff. calabricae Chevalier 1961 stony coral
Porites aff. lobatosepta Chevalier 1961 stony coral
 Scleractinia - Siderastreidae
Siderastrea sp. Blainville 1830 stony coral