PBDB Collection

Jebel Billum IV-14 (Jurassic of Yemen)

Where: Wadi Hajar, Yemen (14.3° N, 48.4° E: paleocoordinates 11.7° S, 31.2° E)

• small collection-level geographic resolution

When: Upper Member (Shuqra Formation), Callovian (166.1 - 163.5 Ma)

• 38.5-45.5m below top

Environment/lithology: marine; shale

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 2605: 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

Echinoidea
Salenioida - Acrosaleniidae	Acrosalenia somaliensis Acrosalenia somaliensis sea urchin
Rhynchonellata
Rhynchonellida - Tetrarhynchiidae	"Conarosia sp." = Burmirhynchia, Somalirhynchia sp. n. sp., Somalirhynchia arabica, Somalirhynchia africana, Somalirhynchia somalica, Daghanirhynchia sp. "Conarosia sp." = Burmirhynchia Buckman 1917 Somalirhynchia sp. n. sp. Weir 1925 originally entered as "Somalirhynchia sp. nov." Somalirhynchia arabica Cooper 1989 Somalirhynchia africana Weir 1925 Somalirhynchia somalica Dacque 1905 Daghanirhynchia sp. Muir-Wood 1935
Terebratulida - Loboidothyrididae	Ptyctothyris daghaniensis, Bihenithyris weiri, Bihenithyris barringtoni, cf. Cererithyris wyvillei Ptyctothyris daghaniensis Muir-Wood 1935 Bihenithyris weiri Muir-Wood 1935 Bihenithyris barringtoni Muir-Wood 1935 cf. Cererithyris wyvillei originally entered as "Cererithyris cf. wyvillei"
Terebratulida - Terebratulidae	Terebratula aulites Terebratula aulites
Gastropoda
Architaenioglossa - Ampullinidae	"Ampullospira sp." = Ampullina (Ampullospira) "Ampullospira sp." = Ampullina (Ampullospira) Harris 1897 snail
Pseudomelanoidea - Pseudomelaniidae	"Rhabdoconcha sp." = Pseudomelania (Rhabdoconcha) "Rhabdoconcha sp." = Pseudomelania (Rhabdoconcha) snail
Bivalvia
Mytilida - Mytilidae	cf. Modiolus bipartitus, Brachidontes somalicus cf. Modiolus bipartitus Sowerby 1818 mussel originally entered as "Modiolus cf. bipartitus" Brachidontes somalicus mussel
Pectinida - Pectinoidae	cf. Spondylopecten subpunctatus cf. Spondylopecten subpunctatus scallop originally entered as "Spondylopecten cf. subpunctatus"
Ostreida - Palaeolophidae	Actinostreon solitaria Actinostreon solitaria oyster
Ostreida - Eligmidae	Eligmus humei, cf. Eligmus weiri Eligmus humei oyster cf. Eligmus weiri Cox 1935 oyster originally entered as "Eligmus cf. weiri"
Ostreida - Gryphaeidae	"? Nanogyra fourtaui" = Nanogyra (Nanogyra) nana, Gryphaea balli "? Nanogyra fourtaui" = Nanogyra (Nanogyra) nana Sowerby 1822 oyster originally entered as "?Nannogyra fourtaui" Gryphaea balli Stefanini 1925 oyster
Arcida - Parallelodontidae	Parallelodon sp. Parallelodon sp. Meek and Worthen 1866 clam
Cardiida - Kalenteridae	Myoconcha sp. Myoconcha sp. Sowerby 1824 clam
Cardiida - Cardiidae	cf. Tendagurium propebanneiana cf. Tendagurium propebanneiana cockle originally entered as "Tendagurium cf. propebanneiana"
Cardiida - Arcticidae	Procyprina hunti Procyprina hunti clam
Cardiida - Corbiculidae	? Eocallista krenkeli ? Eocallista krenkeli Cox 1935 clam originally entered as "?Eocallista krenkeli"
Megalodontida - Ceratomyopsidae	Ceratomyopsis somaliensis Ceratomyopsis somaliensis Weir 1929 clam
Pholadida - Ceratomyidae	cf. Ceratomya wimmisensis cf. Ceratomya wimmisensis Gillieron 1886 clam originally entered as "Ceratomya cf. wimmisensis"
Pholadomyida - Pholadomyidae	"Bucardiomya aubreyi" = Pholadomya (Bucardiomya), Bucardiomya somaliensis "Bucardiomya aubreyi" = Pholadomya (Bucardiomya) clam Bucardiomya somaliensis Cox 1935 clam
Trigoniida - Trigoniidae	Trigonia sp. Trigonia sp. Bruguière 1789 clam