Ricerca
Risultati della ricerca
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Journal article
Taxonomy and evolution of the protomonaxonid sponge family Piraniidae
The protomonaxonid sponge Pirania is an iconic member of the Burgess Shale community, but recent discoveries show that piraniids are morphologically diverse and also occur in Ordovician strata. Here we establish three new piraniid genera on the basis of Ordovician material from China, Wales, Scotland and Morocco: Auraeopirania gen. nov.,...Botting, Joseph P ; Stewart, Sarah E ; Muir, Lucy A
Sweden, Furongian, Sphenothallus, Cambrian, Alum Shale Formation, and Västergötland
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2015
Journal article
Sphenothallus from the Furongian (Cambrian) of Scandanavia
Sphenothallus, a Palaeozoic genus of uncertain affinity, possibly a hydrozoan, is reported from the Furongian (Cambrian) of Scandinavia. This is the only known occurrence of the genus in Cambrian rocks outside of China, western North America and Bohemia, and also the first report of Sphenothallus in the Cambrian–Ordovician of Baltica....Stewart, Sarah E ; Clarkson, Euan Neilson Kerr ; Ahlgren, John ; Ahlgren, Per ; Schoenemann, Brigitte
Sweden, Furongian, Sphenothallus, Cambrian, Alum Shale Formation, and Västergötland