Abstract
AbstractCornute stylophorans are a minor, although typical, component of Middle–Late Ordovician echinoderm assemblages adapted to soft siliciclastic substrates in high-latitude peri-Gondwanan regions. All previously reported occurrences of Darriwilian–Katian cornutes from the Czech Republic, France, Morocco and Spain are revised and their plate homologies reassessed. The generaBerylliaandJuliaecarpusare reinterpreted as junior synonyms ofDomfrontia, andThoralicystisis synonymized withBohemiaecystis. Several Mediterranean scotiaecystids previously assigned toBohemiaecystisand/orScotiaecystisare placed withinThoralicarpusgen. nov., and cornute taxa originally left in open nomenclature by Chauvel are formally described asBohemiaecystis choubertisp. nov. (AVI) andDestombesicarpus izegguirenensisgen. et sp. nov. (AVIII). Other new Mediterranean taxa includeArauricystis clariondisp. nov.,Destombesicarpus budiligen. et sp. nov.,Milonicystis reboulorumsp. nov.,Thoralicarpus bounemrouensisgen. et sp. nov., andT.prokopigen. et sp. nov. The six cornute genera identified in Darriwilian–Katian Moroccan echinoderm Lagerstätten are also present in coeval assemblages of at least one other Mediterranean region, thus supporting the existence of strong faunal affinities between the Anti-Atlas, the Armorican Massif, the Barrandian area and the Iberian Peninsula.
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