Jebel Billum I-2 (Cretaceous of Yemen)

Where: Wadi Hajarq, Yemen (14.3° N, 48.5° E: paleocoordinates 14.5° S, 33.2° E)

• small collection-level geographic resolution

When: Qishn Formation, Barremian (129.4 - 125.0 Ma)

• upper part, below Orbitolina Limestone

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

• lithology described as 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 2577: 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
Gastropoda
 Heterostropha - Tubiferidae
Pseudonerinea sp.
 Sorbeoconcha - Aporrhaidae
? Harpagodes sp.
? Harpagodes sp. Gill 1870 snail
originally entered as "?Harpagodes sp."
Bivalvia
 Pectinida - Neitheoidae
Neithea ? atava
Neithea ? atava Roemer 1839 scallop
originally entered as "Neithea ?atava"
 Ostreida - Gryphaeidae
? Amphidonte sp., "cf. Exogyra tuberculifera" = Ceratostreon tuberculiferum
? Amphidonte sp. Fischer von Waldheim 1829 oyster
originally entered as "?Amphidonte sp."
"cf. Exogyra tuberculifera" = Ceratostreon tuberculiferum Koch and Dunker 1837 oyster
originally entered as "Exogyra cf. tuberculifera"
 Mytilida - Mytilidae
Lithophaga sp.
Lithophaga sp. Röding 1798 mussel