. Bulletin of the British Museum (Natural History), Geology. 300. MORRIS AND SKELTON \ 'A ?s ⢠w ?mw\ '>/. b PR- ' â Fig. 7 Lapeirousia jouanneti Des Moulins, from the Upper Campanian, near Cognac, France, BM LL41976; a, b, upper and ventral view of a flat-based individual with pseudopillars marked, x 0-4; c, close-up of ventral pseudopillar showing its spout-like shape and division of the last layer of outer shell around it, x 1-5. Durania spp. Fragmentary or poorly preserved specimens that we can attribute to the genus Durania occur at most levels in the Qahlah and Simsima Form
. Bulletin of the British Museum (Natural History), Geology. 300. MORRIS AND SKELTON \ 'A ?s ⢠w ?mw\ '>/. b PR- ' â Fig. 7 Lapeirousia jouanneti Des Moulins, from the Upper Campanian, near Cognac, France, BM LL41976; a, b, upper and ventral view of a flat-based individual with pseudopillars marked, x 0-4; c, close-up of ventral pseudopillar showing its spout-like shape and division of the last layer of outer shell around it, x 1-5. Durania spp. Fragmentary or poorly preserved specimens that we can attribute to the genus Durania occur at most levels in the Qahlah and Simsima Formations: at Jebel Huwayyah, section 1, from bed 13, the basal Simsima conglomerate, the top rudist bed (two silicified specimens), and from near the top of the Simsima Formation approximately 6 m above the top oyster bed; at Jebel Rawdah, section 1, bed 2, and section 2, bed 16; and at Qarn Mulayh, a large thick-celled form with strangely shaped Subfamily LAPEIROUSIINAE Kiihn, 1932 Genus LAPEIROUSIA Bayle, 1878 TYPE SPECIES. Sphaerulites jouanneti Des Moulins, 1826, Upper Campanian or Lower Maastrichtian, Aquitaine, France. Lapeirousia sp. PI. 9, figs 4, 5; PI. 10, fig. 6 Material. Two small joined specimens from Jebel Bu Milh, section 2, from the acteonellid bed towards the top of the Qahlah Formation, BM LL41955; three specimens, two of which are joined, from Jebel Thanais, from scree below basal part of the Simsima Formation, BM LL41956; one from Jebel Buhays, section 1, LL41957. PLATE 11 Fig 1-5 Pseudosabinia aff. klinghardti (Boehm); 1, Jebel Fayah, basal Durania-fades of the Simsima Formation, BM LL41971, Skelton Collection; eroded valve showing striate appearance of the outer part of the inner shell layer; x 0-4; 2, Virovi (between Lanac and Vestari, near Rtanj mine), eastern Serbia; BM LL41652, paratype of Sabinia rtanjica Pejovic; section through right valvewith arete cardinale and ligament (arrowed); x 1-5; 3, Qarn Murrah, BM LL41972, Skelton Collection; clo
Size: 2587px × 966px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorbritishmuseumnaturalhistory, bookcentury1900, bookcoll
