Ras Gemsa reef (Pleistocene of Egypt)

Also known as Reef 3931

Where: Egypt (27.7° N, 33.6° E: paleocoordinates 27.6° N, 33.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Late/Upper Pleistocene (0.1 - 0.0 Ma)

• reef grew during the maximum of the last interglacial period, stage 5e, Eemian, 125,000 YBP

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified framestone and lithified bindstone

• upper reef slope to back-reef environment, 1-50 m water depth
• scleractinian framestone and/or bafflestone, sandy algal bindstone, sandy bioclastic wackestone

Size classes: macrofossils, mesofossils, microfossils

Collection methods: peel or thin section,

Primary reference: A. S. El-Sorogy. 2002. Paleontology and depositional environments of the Pleistocene coral reefs of the Gulf of Suez, Egypt. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 225(3):337-371 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87876: authorized by Wolfgang Kiessling, entered by Uta Merkel on 27.03.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Gymnolaemata
 Cheilostomata - Escharinidae
"Scrupocellaria elliptica" = Bactridium ellipticum
"Scrupocellaria elliptica" = Bactridium ellipticum Reuss 1848
Gastropoda
 Trochoidea - Trochidae
"Clanculus (Clanculus) pharaonium" = Clanculus (Clanculus) pharaonius
"Clanculus (Clanculus) pharaonium" = Clanculus (Clanculus) pharaonius Linnaeus 1758 top snail
 Neogastropoda - Conidae
Conus generalis Linnaeus 1767 cone shell
 Sorbeoconcha - Cypraeidae
"Luria (Basilitroma) isabella" = Luria isabella
"Luria (Basilitroma) isabella" = Luria isabella Linnaeus 1758 Isabell cowry
Bivalvia
 Pectinida - Pectinoidae
Spondylus (Spondylus) gaederopus Linnaeus 1758 scallop
 Arcida - Arcidae
Barbatia (Barbatia) lacerata Linnaeus 1758 clam
"Arca imbricata" = Lamarcka imbricata Bruguière 1789 clam
"Anadara antiquata" = Anadara (Anadara) antiquata Linnaeus 1758 ark
 Arcida - Glycymerididae
Glycymeris pectunculus Linnaeus 1758 clam
 Cardiida - Chamidae
Chama pacifica Broderip 1834 jewel box
 Cardiida - Veneridae
Dosinia (Dosinia) radiata Reeve 1850 venus clam
Circe (Circentia) arabica Chemnitz 1863 venus clam
 Carditida - Carditidae
Cardites antiquata Linnaeus 1758 clam
Anthozoa
 Scleractinia - Pocilloporidae
Stylophora pistillata Esper 1797 stony coral
 Scleractinia - Acroporidae
Acropora clathrata Brook 1891 stony coral
Acropora horrida Dana 1846 stony coral
Montipora spongiosa Ehrenberg 1834 stony coral
 Scleractinia - Siderastreidae
"Coscinaraea columna" = Psammocora columna
"Coscinaraea columna" = Psammocora columna Dana 1846 stony coral
 Scleractinia - Euphylliidae
Galaxea fascicularis Linnaeus 1767 stony coral
 Scleractinia - Merulinidae
"Favia stelligera" = Goniastrea stelligera Dana 1846 stony coral
Echinopora lamellosa Esper 1795 stony coral
Platygyra daedalea Ellis and Solander 1786 stony coral
 Scleractinia - Plerogyridae
Blastomussa merleti Wells 1961 stony coral
Florideophyceae
 Corallinales - Corallinophycidae
Lithoporella sp. Foslie 1909
Lithophyllum sp. Philippi 1837
 Hapalidiales - Corallinophycidae
"Lithothamnium sp." = Lithothamnion
"Lithothamnium sp." = Lithothamnion Heydrich 1897
Foraminifera
 Lituolida - Lituolidae
"Textularia agglutinans" = Textularia jurassica
"Textularia agglutinans" = Textularia jurassica Guembel 1862
 Nummulitacea - Nummulitidae
 Asterigerinacea - Amphisteginidae
Amphistegina lessonii d'Orbigny 1826
 Acervulinacea - Homotrematidae
Tubothalamea
 Miliolida - Hauerinidae
Quinqueloculina sp. d'Orbigny 1826
Triloculina sp. d'Orbigny 1826
Foraminifera
 Rotalioidea - Elphidiidae