28 



M.K. HOWARTH AND N.J. MORRIS 



[13], D. daghaniensis Muir-Wood [30], Daghanirhynchia ?sp. 

 nov. [142], Arabicella arabis Cooper [7], Bihenithyris cf. 

 barringtofii Muir-Wood [33], B. weiri Muir-Wood [ 1 ], Cererithyris 

 sp. [ 1 3]. Bivalves: IPalaeoiniciila sp. [\]Modiohis cf. imbricatus 

 J. Sowerby [4], IBakevellea sp. [2], Eligmus cf. roUandi (Douville) 

 [1], Camptonectes sp. [4], 'Gryphaea' balli Stefanini [3], 

 lActinostreon sp. [2], 'Lucina' sp. [2], ISphaera sp. [3], 

 Tendagurium sp. [13], lAntiquicyprina sp. [1], Procyprina hunti 

 (Cox ) [ 1 1 ] , lEocallista krenkeli Cox [2] , Bucardiomya somaliensis 

 (Cox), IHomomya cf. gibbosa (J. Sowerby) [1]. Gastropods: 

 AmpuUospira sp. [7], INermella sp. [1]. 



Wadi Kilya, Al Ma'abir (N14°16'15" E48°34'I1"). 



Collections were made on tlie southern slope of a hill capped by 

 Qishn Formation on the south side of Wadi Kilya, 2 km E by S of 

 Naifa Cliff. 



Qishn Formation: 



Orbitolina Limestone. Echinoids: Holectypiis or Coenholectypus 

 sp. [1], IStereocidaris sp. [1]. 



Loose, from below Orbitolina Limestone. Brachiopods: Zitteliiui 

 sp. ?nov. [12], Terebratulidae [fragments]. Bivalves: Neithea 

 atava (Roemer) [1], 'Exogym' cf. tuberculifera Koch & Dunker 

 [7], lAmphidonte sp. [9], Pholadomya valangiensis Pictet & 

 Campiche [1]. Gastropods: 'Natica' sp. [11], Harpagodes sp. 

 UllNerinellasp. [2]. 



Naifa Formation, Kilya Member: 



Upper Marls: 5-7 m below base of Qishn Formation. Ammo- 

 nites: Taramelliceras (Metahaploceras) subsidens (Fontannes) 

 [9], Katrolicerasformosum Spath [32], Katroliceras pottingeri (J. 

 de C. Sowerby) [ 1 ]. Katroliceras sp. indet. [7], Subdichotomoceras 

 ?latissimum (Zwierzycki) [1], Pachysphinctes bathyplocus 

 (Waagen) [5], Pachysphinctes major Spath [5], Pachysphinctes 

 sp. indet. [9], Aspidoceras longispinum (J. de C. Sowerby) [3], 

 Orthaspidoceras avellamtm (Zittel) [2].Simaspidoceras argobbae 

 (Dacque) [1], Simaspidoceras irregulare (Dacque) [1], 

 Laevaptychus [1], Hybonoticeras ornatum (Spath) [2], 

 Hybonoticeras cf. hybonotum (Oppel) [1], Lithacoceras (L) cf. 

 iilmense (Oppel) [1]. Lithacoceras (Subplanites) mombassamim 

 (Dacque) [1]. 



IVIiddle limestones: 



Top bed. Ammonite: Pachysphinctes bathyplocus (Waagen) [1]. 



3-7 m below top.Ammonites: Taramelliceras (T.) compsiim (Oppel) 

 [4], Taramelliceras sp. indet. [1], Pachysphinctes bathyplocus 

 ( Waagen ) [4] , Pachysphinctes major Spath [10], Nebrodites hospes 

 (Neumayr) (photos only) [!>+]. Aspidoceras longispinum (J. de C. 

 Sowerby) [3], Aspidoceras apenninicum (Zittel) [9], Aspidoceras 

 sp. indet. [1], Laevaptychus [2], Lithacoceras (Subplanites) 

 mombasscmum (Dacque) [6].Nautiloid: Paracenoceras sp. indet. 

 Brachiopods: ICererithyris sp., Ptyctothyris sp. Bivalves: 

 Parainoceramus sp. [1], Liostrea cf. boloniensis de Loriol [1]. 



Basal bed. Ammonites: Pachysphinctes major Spath [2]; 

 Pachysphinctes sp. indet. [2]; Aspidoceras sp. indet. [3]; 

 Simaspidoceras irregulare (Dacque) [1]. Bivalves: Palaeonucula 

 sp. [6], Indogrammatodon egertonianus (Stoliczka) [1], 

 Neocrassina spitiensis (Stoliczka [sensu Holdhaus]) [3]. 



Lower marls: 



2 m below top. Ammonites: Aspidoceras longispinum (J. de C. 

 Sowerby) [1]; Laevaptychus [4]. 



Row of large doggers 8.5-9 m above base. Ammonites: 



Taramelliceras (T.) pseudoflexuosum (Favre) [3], Tanmielliceras 

 sp. indet. [2], Lamellaptychus [14], Orthaspidoceras avellanum 

 (Zittel) [16], Laevaptychus [37], Lithacoceras (Subplanites) 

 mombasscmum (Dacque) [26]. Brachiopod: Acanthothiris sp. 

 nov. [1]. Bivalves: Palaeonucula sp. [ca.70], Indogrammatodon 

 sp. [ca.70], IGrammatodon sp. [ca.30], IParainoceramus sp. [1], 

 Nannogyrafourtaui (Stefanini) [ 1 ], 'Lucina ' sp. [ 1 ], Neocrassina 

 aff. spitiensis (Stoliczka [sensu Holdhaus]) [35], ITrautscholdia 

 sp. [1], IFreiastarte sp. [4]. Gastropods: Pleurotomaria sp. [2], 

 Proconulus arabiensis (Newton) [22], 'Margarites' sp. [ca.50], 

 Pietteia sp. [14]. 



Naifa Formation, Billum Member: 



Basal 5m. Ammonites: Epimayaites sp. indet. [2], Paryphoceras 

 grayi (Spath) [1], Larcheria gredingensis (Wegele) [1], 

 Orthosphinctes polygyratus (Reinecke) [20]. 



Jebel Billum, eastern end, bank and cliff on north 

 side of road (N14°17'51" E48°29'14") 



Qishn Formation: 



Orbitolina Limestone. Echinoids: Allomma sp. nov. [ 1 ] , Heteraster 

 aff. oblongus (Brogniart) [1], Leptosalenia sp. [1], Tetragramma 

 ?variolare (Brogniart) [1]. 



Upper part, below Orbitolina Limestone. Bivalves: Lithopliaga 

 sp. [?], Neithea ?atava Roemer [3], 'Exogyra' cf. tuberculifera 

 Koch & Dunker [1], lAmphidonte sp. [?]. Gastropods: 

 Pseudonerinea sp. [1]. IHarpagodes sp. [7]. 



Middle part. Bivalves: Cucullaea sp. [1], Neithea atava Roemer 

 [6] . 'Exogyra ' cf . tuberculifera Koch & Dunker [12], lAmphidonte 

 latissima (Lamarck) [10], lAmphidonte sp. [1], Linotrigonia or 

 Pterotrigonia sp. [i], Pholadomya valangiensis Pictet & Campiche 

 [13]. Gastropods: Harpagodes sp. [19]. 



Limestones 3.5 m thick at base of formation. Ammonite: 

 Crioceratites (C.) cf. villiersianum (d'Orbigny) [1]. Bivalves: 

 Chondrodonta ?sp. nov. [14]. Gastropods: Harpagodes sp. [8]. 



Hajar Formation, Mintaq Member: 



Marls, 5.3 m below top. Ammonites: Substeueroceras koeneni 

 (Steuer) [12], Substeueroceras striatum sp. nov. [1] 



Massive Hmestone, 8.3 m below top.Ammonites: Uhligites krajfti 

 (Uhlig) [2], Virgatosphinctes cf. broilii (Uhlig) [13], Clwicen- 

 sisphinctes limitis (Burckhardt) [9], Substeueroceras koeneni 

 (Steuer) [2\. Substeueroceras striatum sp. nov. [5], Blanfordiceras 

 wallichi (Gray) [1]. Bivalves: IHeterodiceras sp. [2], Arctostrea 

 hastellata (Schlotheim) [1]. 



Hajar Formation, Arus Member: 



Marls, 26.5 m above base. Ammonites: Uhligites sp. indet. [1], 

 Aspidoceras sp. indet. [3], Laevaptychus [16], Spiticeras sp. 

 indet. [1], Virgatosphinctes cf. broilii (Uhlig) [22], 

 Choicensisphinctes limitis {BuTckhaidt) [S],Berriasella ( B. ) oppeli 

 (Kilian) [l8,].Berriasella sp. indet. [22], Substeueroceras koeneni 

 (Steuer) [8], Malbosiceras cf. aizyensis Mazenot [8]. Bivalves: 

 Palaeonucula sp. [2], Neocrassina cf. duboisiana (d'Orbigny) 

 [1], Neocrassina spitiensis (Stoliczka [sensu Holdhaus]) [52]. 



Basal coral bed; massive colony of fasciculate corals or 

 stromatoporoid Shuqraia. Corals [22]. Bivalves: 'Gryphaea' 

 balli (Stefanini) [1], Arctostrea hastellata (Schlotheim) [1], 



