Ait Athmane, Central High Atlas, Morocco (Jurassic to of Morocco)

Also known as Reef 3345

Where: Morocco (31.9° N, 4.4° W: paleocoordinates 25.6° N, 2.3° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Jebel Rihat Formation, Pliensbachian to Pliensbachian (190.8 - 182.0 Ma)

• group of beds-level stratigraphic resolution

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

• sequence from outer margin, shoal, inner platform, and restricted lagoon with repeated emergence
• thick- to massive-bedded limestones with bioclasts; oncolitic and oolitic lime sands occur interbedded and mixed with bioclasts

Size classes: macrofossils, microfossils

Collection methods: peel or thin section,

Primary reference: N. M. Fraser, D. J. Bottjer and A. G. Fischer. 2004. Dissecting "Lithiotis" Bivalves: Implications for the Early Jurassic Reef Eclipse. Palaios 19(1):51-67 [W. Kiessling/B. Brenneis/B. Brenneis]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 42480: authorized by Wolfgang Kiessling, entered by Benjamin Brenneis on 30.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Cyanophyceae
  -
Cayeuxia sp. Frollo 1938
Foraminifera
 Lituolacea - Mayncinidae
 Involutinina - Involutinidae
 Involutinina - Trocholinidae
Trocholina sp. Paalzow 1922
Globothalamea
 Loftusiida - Spirocyclinidae
Nodosariata
 Nodosariida - Nodosariidae
Frondicularia sp. Defrance 1824
Foraminifera
 Lituolida - Lituolidae
unclassified
  -
Gastropoda
 Heterostropha - Nerineidae
Nerinea sp. Deshayes 1827 snail
Bivalvia
 Ostreida - Malleidae
Gervilleioperna sp. Krumbeck 1923 oyster
 Pterioida -
Anthozoa
 Hexacorallia -
Scleractinia indet. Bourne 1900 stony coral