Jebel Wasa south, Oman (Triassic of Oman)

Also known as Reef 33

Where: Oman (24.7° N, 55.9° E: paleocoordinates 7.2° S, 42.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Jebel Wasa Formation, Norian (228.0 - 208.5 Ma)

• Age indicated as Norian-Rhaetian, but most probably Norian according to Flügel (2002)

• formation-level stratigraphic resolution

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

• Reef debris dominates with 72% floatstones and 28% rudstones. Some large reefal blocks.

Size class: macrofossils

Collection methods: peel or thin section,

• Point counting results: 60% pharetronid sponges, 13% chaetetids, 13% dijectoporids/spongiomorphids, 8% corals, 4% solenoporaceans, 2% crinoids.

Primary reference: M. Bernecker. 1996. Upper Triassic reefs of the Oman Mountains: Data from the south Tethyan margin. Facies 34:41-76 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 24304: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 05.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
 Textulariina - Coscinophragmatidae
Polychaeta
  -
Demospongea
 Hadromerida - Celyphiidae
? Uvanella tegimentopora Senowbari-Daryan and Schäfer 1986 demosponge
Alpinothalamia bavarica Ott 1967 demosponge
 Agelasida - Solenolmiidae
Welteria sp. Vinassa de Regny 1915 demosponge
 Chaetetida - Chaetetidae
Bauneia sp. Peterhans 1927 demosponge
Disjectopora
  - Disjectoporidae
Disjectopora sp. Waagen and Wentzel 1888
Calcarea
 Calcaronea - Endostomatidae
"Corynella sp." = Endostoma
"Corynella sp." = Endostoma Roemer 1864 calcareous sponge
 Calcaronea - Stellispongiidae
Peronidella sp. Hinde 1893 calcareous sponge
Hydrozoa
 Spongiomorphida - Spongiomorphidae
Spongiomorpha sp. Frech 1890
Anthozoa
 Scleractinia - Astraeomorphidae
Astraeomorpha crassisepta Reuss 1854 stony coral
 Scleractinia - Gablonzeriidae
Gablonzeria profunda Reuss 1854 stony coral
 Scleractinia - Reimaniphylliidae
Distichophyllia norica Frech 1890 stony coral
End reef builders
Rhodophyceae
  - Solenoporaceae
Foraminferea
 Miliolida - Milioliporidae
 Miliolida - Miliolidae