Wadi Kilya-8 (Jurassic to of Yemen)

Where: Wadi Hajar, Yemen (14.3° N, 48.6° E: paleocoordinates 12.8° S, 31.6° E)

• small collection-level geographic resolution

When: Kilya Member (Naifa Formation), Kimmeridgian to Kimmeridgian (157.3 - 145.0 Ma)

• Wadi Kilya section

•lower marls, row of large doggers 8.5-9 m above base

Environment/lithology: marl

• lithology described as marl

Size class: macrofossils

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 2574: authorized by Mark Patzkowsky, entered by Karen Layou on 09.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonoidea -
Laevaptychus sp. Trauth 1927 ammonoid aptychus
 Ammonitida - Ataxioceratidae
Lithacoceras mombassanum Dacqué 1910 ammonite
 Ammonitida - Aspidoceratidae
 Ammonitida - Oppeliidae
Taramelliceras sp., "Taramelliceras pseudoflexuosum" = Taramelliceras compsum
Taramelliceras sp. Campana 1905 ammonite
"Taramelliceras pseudoflexuosum" = Taramelliceras compsum Oppel 1863 ammonite
  -
Lamellaptychus sp. Trauth 1927 ammonoid aptychus
Gastropoda
 Trochoidea - Turbinidae
Margarites sp. Gray 1847 snail
 Turbinoidea - Proconulidae
Proconulus arabiensis Newton 1908 snail
 Pleurotomarioidea - Pleurotomariidae
Pleurotomaria sp. Defrance 1826 snail
 Sorbeoconcha - Aporrhaidae
Pietteia sp. Cossmann 1904 snail
Bivalvia
 Arcida - Parallelodontidae
? Grammatodon sp. Meek and Hayden 1860 clam
originally entered as "?Grammatodon sp."
"Indogrammatodon sp." = Grammatodon (Indogrammatodon) Cox 1937 clam
 Myalinida - Kolymiidae
"? Parainoceramus sp." = Kolymia
"? Parainoceramus sp." = Kolymia clam
originally entered as "?Parainoceramus sp."
 Ostreida - Gryphaeidae
Nanogyra fourtani oyster
originally entered as "Nannogyra fourtani"
 Lucinida - Lucinidae
Lucina sp. Bruguière 1797 clam
 Carditida - Astartidae
"? Trautscholdia sp." = Nicaniella (Trautscholdia) Cox and Arkell 1948 clam
originally entered as "?Trautscholdia sp."
aff. Neocrassina spitiensis clam
originally entered as "Neocrassina aff. spitiensis"
? Freiastarte sp. Chavan 1952 clam
originally entered as "?Freiastarte sp."
 Nuculida - Nuculidae
Palaeonucula sp. Quenstedt 1930 nut clam
Rhynchonellata
 Rhynchonellida - Acanthothirididae
"Acanthothyris sp. n. sp." = Acanthothiris
"Acanthothyris sp. n. sp." = Acanthothiris d'Orbigny 1849
originally entered as "Acanthothyris sp. nov."