Jebel Billum I-6 (Cretaceous of Yemen)

Where: Wadi Hajar, Yemen (14.3° N, 48.5° E: paleocoordinates 13.6° S, 32.1° E)

• small collection-level geographic resolution

When: Mintaq Member (Hajar Formation), Berriasian (145.0 - 139.8 Ma)

• lowermost part of this member may be Tithonian; 8.3 m below top

Environment/lithology: limestone

• lithology described as massive limestone

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 2581: 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
Bivalvia
 Ostreida - Ostreidae
Arctostrea hastellata
 Hippuritida - Epidiceratidae
? Heterodiceras sp.
? Heterodiceras sp. rudist
originally entered as "?Heterodiceras sp."
Cephalopoda
 Ammonitida - Polyptychitidae
"Choicensisphinctes limitis" = Craspedites limitis
"Choicensisphinctes limitis" = Craspedites limitis Burckhardt 1930 ammonite
 Ammonitida - Neocomitidae
Substeueroceras koeneni, Substeueroceras striatum
Substeueroceras koeneni Steuer 1897 ammonite
Substeueroceras striatum Howarth 1998 ammonite
 Ammonitida - Perisphinctidae
"cf. Virgatosphinctes broilii" = Perisphinctes (Virgatosphinctes) broilii
"cf. Virgatosphinctes broilii" = Perisphinctes (Virgatosphinctes) broilii Uhlig 1910 ammonite
originally entered as "Virgatosphinctes cf. broilii"
 Ammonitida - Oppeliidae
Uhligites kraffti
Uhligites kraffti Uhlig 1903 ammonite