Jebel Billum I-8 (Jurassic of Yemen)

Where: Wadi Hajar, Yemen (14.3° N, 48.5° E: paleocoordinates 12.9° S, 31.7° E)

• small collection-level geographic resolution

When: Arus Member (Hajar Formation), Tithonian (152.1 - 145.0 Ma)

• basal coral bed

Environment/lithology: reef rocks

Primary reference: M. K. Howarth and N. J. Morris. 1998. The Jurassic and Lower Cretaceous of Wadi Hajar, southern Yemen. Bulletin of the Natural History Museum (Geology) 54(1):1-32 [M. Patzkowsky/K. Layou/A. Clement]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2583: authorized by Mark Patzkowsky, entered by Karen Layou on 09.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Corals indet.
Corals indet.
massive colony of fasciculate corals
Gastropoda
 Trochoidea - Turbinidae
Turbo sp.
Turbo sp. Linnaeus 1758 snail
 Trochoidea - Trochidae
? Discotectus sp.
? Discotectus sp. Favre 1913 top snail
originally entered as "?Discotectus sp."
 Neritoina - Neritopsidae
? Neritopsis sp.
? Neritopsis sp. Grateloup 1832 snail
originally entered as "?Neritopsis sp."
Bivalvia
 Ostreida - Ostreidae
Arctostrea hastellata
 Ostreida - Gryphaeidae
Gryphaea balli
Gryphaea balli Stefanini 1925 oyster
 Carditida - Astartidae
? Neocrassina sp.
? Neocrassina sp. Fischer 1887 clam
originally entered as "?Neocrassina sp."
Demospongiae
 Agelasida - Milleporellidae
Shuqraia sp.
Shuqraia sp. Hudson 1954 demosponge
stromatoporoid