Er Remlia, Gara es Sbaa [Gara Sbaa Fm.] (Cretaceous of Morocco)

Also known as Gara Sba, Gara Sbâa

Where: Drâa-Tafilalet, Morocco (30.5° N, 4.8° W: paleocoordinates 17.8° N, 4.8° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Gara Sbaa Formation (Kem Kem Group), Early/Lower Cenomanian (99.6 - 93.5 Ma)

• Kem Kem beds have distinct upper and lower units in this region, with fossils found in both parts. The formation lies conformably below the Cenomanian-Turonian limestone. The "fossiliferous zone" ocuupies about 90 meters of section overlapping both members.

• group of beds-level stratigraphic resolution

Environment/lithology: deltaic; lithified, bioturbated, red, yellow sandstone and lithified, burrowed, pebbly, red sandstone

• "nonmarine deltaic facies"
• Upper unit: fining upward, red to tan, coarse- to fine-grained sandstones intercalated with variegated mudstones in roughly equal amounts. Bioturbation, ripple marks, mud cracks, footprints horizons, and soil slickensides locally abundant. Gypsum rare to absent. Only sandstones are fossiliferous.

•Lower unit: reddish, fine- to coarse-grained, planar and cross-stratified sandstone with lateral accretion deposits. Pebble channels, vertical burrows, and rolled vertebrate fossils are common above the basal 15 m. Soft-sediment deformation, mudstone lenses and gypsum are rare.

Size class: macrofossils

Preservation: trace

Collected by P. Sereno, N. Ibrahim in 1995, 2008

Collection methods: quarrying, surface (float), surface (in situ), mechanical,

Primary reference: P. C. Sereno, D. B. Dutheil, M. Iarochene, H. C. E. Larsson, G. H. Lyon, P. M. Magwene, C. A. Sidor, D. J. Varricchio, and J. A. Wilson. 1996. Predatory dinosaurs from the Sahara and Late Cretaceous faunal differentiation. Science 272:986-991 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 25325: authorized by Matthew Carrano, entered by Matthew Carrano on 08.09.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Gryphaeidae
"Pycnodonta indet." = Pycnodonte
"Pycnodonta indet." = Pycnodonte Fischer von Waldheim 1835 oyster
Malacostraca
 Decapoda -
Decapoda indet. Latreille 1802 decapod
Chondrichthyes
 Elasmobranchii -
Elasmobranchii indet. Bonaparte 1838 elasmobranch
 Hybodontiformes - Distobatidae
Distobatus nutiae Werner 1989 elasmobranch
 Hybodontiformes -
"Lissodus" bartheli Werner 1989 elasmobranch
 Rhinopristiformes - Pristidae
Peyeria libyca Weiler 1935 sawfish
 Rajiformes - Sclerorhynchidae
Marckgrafia libyca Weiler 1935 ray
 Lamniformes - Serratolamnidae
Serratolamna amonensis mackerel shark
Osteichthyes
 Dipnoi - Ceratodontidae
cf. Ceratodus sp. Agassiz 1838 lungfish
Coelacanthimorpha
 Coelacanthiformes - Mawsoniidae
cf. Mawsonia sp. Mawson and Woodward 1907 coelacanth
Reptilia
 Loricata - Pholidosauridae
cf. Sarcosuchus sp. de Broin and Taquet 1966 crocodilian
 Ornithischia -
 Theropoda -
Theropoda indet. theropod
footprints
 Theropoda - Spinosauridae
"Spinosaurus cf. aegyptiacus" = Spinosaurus aegyptiacus, "Sigilmassasaurus cf. brevicollis" = Spinosaurus aegyptiacus2
"Spinosaurus cf. aegyptiacus" = Spinosaurus aegyptiacus Stromer 1915 tetanuran theropod
"Sigilmassasaurus cf. brevicollis" = Spinosaurus aegyptiacus2 Stromer 1915 tetanuran theropod
SGM Din-3-5
 Theropoda - Noasauridae
Deltadromeus agilis n. gen. n. sp.
Deltadromeus agilis n. gen. n. sp. Sereno et al. 1996 ceratosaur
 Saurischia - Rebbachisauridae
Rebbachisaurus garasbae Lavocat 1954 sauropod
 Saurischia -
Titanosauria indet. Bonaparte and Coria 1993 sauropod
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet. Cuvier 1825 gar
 Amiiformes - Amiidae
Amiidae indet. Huxley 1861 bowfin
Cladistia
 Polypteriformes - Polypteridae
 Ichnofossils -