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The body chamber of an ammonoid of the genus Calliphylloceras (Suborder Phylloceratina) containing its lower jaw is reported from the Upper Bajocian (Strenoceras niortense Zone) of the Northern Caucasus. The arrangement, state of preservation, and size of the lower jaw suggest preservation in situ. The general morphology of the lower jaw strongly resembles the chitinous inner lamella of the aptychus-type...
A second species of the previously monotypic lobster genus Stenodactylina Beurlen, 1928, Stenodactylina rogerfurzei n. sp. is recorded from the upper Aalenian of the Wutach area (Baden-Württemberg, SW Germany). Like the type species, Stenodactylina liasina Beurlen, 1928, the new species is based only on a single chela. Originally the type horizon of S. liasina was erroneously reported as being late...
A new demospongid genus and species is described from the Upper Jurassic (Lower Tithonian) Plattenkalk of Langenaltheim near Solnhofen/Bavaria. Both the morphology and the spiculation of the new taxon Neochoiaella frattigianii n. gen. n. sp., which lacks a rigid skeleton, resemble the Early Cambrian family Choiidae de Laubenfels, 1955, particularly the genus Choiaella Rigby and Hou, 1995 from the...
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