Al Sawad Section (20), BR591 (Jurassic to of Oman)

Where: Oman (23.0° N, 57.8° E: paleocoordinates 6.5° S, 43.4° E)

• coordinate stated in text

• hand sample-level geographic resolution

When: Tawi Sadh Member (Guwayza Formation), Aalenian to Aalenian (174.1 - 168.3 Ma)

• Aalenian-Bajocian?

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, green chert and lithified, gray, green shale

• Grey/greenish chert, shale and brown weathering calcarenite

Size class: microfossils

Primary reference: I. Blechschmidt, P. Dumitrica, A. Matter, L. Krystyn, and T. Peters. 2004. Stratigraphic architecture of the northern Oman continental margin - Mesozoic Hamrat Duru Group Hawasina complex, Oman. GeoArabia 9(2):81-132 [J. Pálfy/A. Kocsis]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 125207: authorized by József Pálfy, entered by Adam Kocsis on 06.03.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Nassellaria - Parvicingulidae
Dictyomitrella kamoensis
Dictyomitrella kamoensis Mizutani and Kido 1983 radiolarian
 Nassellaria - Carpocaniidae
? Diacanthocapsa cf. normalis
 Nassellaria - Hsuidae
Transhsuum fukazawaense, Parahsuum officerense, Hsuum primum, ? Hsuum "sp. 1", Hsuum matsuokai
Parahsuum officerense Pessagno and Whalen 1982 radiolarian
Hsuum primum radiolarian
? Hsuum "sp. 1" Pessagno 1977 radiolarian
sensu Baumgartner et al. 1995
Hsuum matsuokai Isozaki and Matsuda 1985 radiolarian
 Spumellaria - Hagiastridae
Archaeohagiastrum longipes
Archaeohagiastrum longipes Baumgartner 1995 radiolarian
 Spumellaria - Parvivaccidae
Acaeniotylopsis variatus
Acaeniotylopsis variatus Kito and De Wever 1994 radiolarian
triacanthus subsp.