Wadi Wasit Block, Al Jil Formation, Bioclastic Limestone, N Oman (Triassic of Oman)

Where: Oman (23.1° N, 58.3° E: paleocoordinates 29.6° S, 54.4° E)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Al Jil Formation, Griesbachian (252.2 - 251.3 Ma)

• Middle-Late Griesbachian; Isarcicella isarcica and Clarkina carinata conodont zones, upper part of Wadi Wasit Block, Bioclastic Limestone

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified grainstone and lithified packstone

• high energy, well oxygenated, shallow marine environment above storm wave base

Size class: macrofossils

Preservation: replaced with silica

Collection methods: chemical,

• gastropods only; brachiopods, ammonoids, bivalves, crinoids and other fossils reported to be present, but not listed

Primary reference: J. R. Wheeley and R. J. Twitchett. 2005. Palaeoecological significance of a new Griesbachian (Early Triassic)gastropod assemblage from Oman. Lethaia 38(1):37-45 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 60532: authorized by Wolfgang Kiessling, entered by Uta Merkel on 17.05.2006, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Murchisoniina - Soleniscidae
Strobeus sp. de Koninck 1881 snail
Strobeus batteni3 Kaim et al. 2013 snail
 Murchisoniina - Zygopleuridae
 Murchisoniina - Phymatopleuridae
Worthenia sp. de Koninck 1883 snail
 Neritoina - Palaeonaricidae
Palaeonarica cf. guangxinensis1 Kaim and Nützel 2010 snail
 Trochoidea - Colloniidae
Chartronella sp. Cossman 1902 snail
 Bellerophontida - Bellerophontidae
Dicellonema ? abrekensis2 Kaim 2009 snail
 Caenogastropoda - Goniasmatidae
Wannerispira sp.1 Kaim and Nützel 2010 snail
 Caenogastropoda - Coelostylinidae
Coelostylina sp. Kittl 1894 snail
Omphaloptycha sp. Ammon 1878 snail
 Neritoidea - Naticopsidae
Naticopsis sp. M'Coy 1844 snail
Crinoidea
 Encrinida - Dadocrinidae
Baudicrinus krystyni n. gen. n. sp.4
Baudicrinus krystyni n. gen. n. sp.4 Oji and Twitchett 2015 Sea lily