International audienceSeventeen specimens representing three of the four asterozoan classes (Stenuroidea, Asteroidea, Ophiuroidea) are recorded from Ordovician and Silurian strata of the western United States and northwest France; only the Somasteroidea is not represented. New taxa are: the stenuroids Lopidiasterjamisoni nov. gen. and sp. and Lehmannaster spinosus nov. gen. and sp.; the asteroids Meturaster belli nov. gen. and sp., Petraster crozonensis nov. sp., and Schuchertia sprinklei, nov. sp.; Lepidactis? sp. also is recognized. The Ophiuroidea is represented by Stenaster sp., Protaster sp., and an arm tip is of unknown familial and generic affinities. Class level assignments of all specimens are clear, and all but Lopidiaster are sim...
8 pages (p.23-30)International audienceFour distinct echinoderm Lagerstatten have recently been disc...
Four distinct echinoderm Lagerstätten have recently been discovered in the Upper Ordovician of the e...
A new genus and species of Asteroidea (Echinodermata), Estoniaster maennili, is described from the U...
International audienceSeventeen specimens representing three of the four asterozoan classes (Stenuro...
A thorough reappraisal of extant and fossil asterozoan plate systems is used to construct working hy...
A Lochkovian (Early Devonian) ophiuroid (Echinodermata), Ophiocantabria elegans n. gen. and sp., is ...
International audienceThe Upper Ordovician (Sandbian) Letná Formation of Bohemia (Czech Republic) pr...
The Late Jurassic–Early Cretaceous Slottsmøya Member of the Agardhfjellet Formation in central Spits...
The Late Jurassic–Early Cretaceous Slottsmøya Member of the Agardhfjellet Formation in central Spits...
A new genus and species of Asteroidea (Echinodermata), Estoniaster maennili, is described from the U...
Abstract: The palaeobiogeographical distribution of the six major clades of Ordovician echinoderms (...
8 pages (p.23-30)International audienceFour distinct echinoderm Lagerstatten have recently been disc...
Four distinct echinoderm Lagerstätten have recently been discovered in the Upper Ordovician of the e...
A new genus and species of Asteroidea (Echinodermata), Estoniaster maennili, is described from the U...
International audienceSeventeen specimens representing three of the four asterozoan classes (Stenuro...
A thorough reappraisal of extant and fossil asterozoan plate systems is used to construct working hy...
A Lochkovian (Early Devonian) ophiuroid (Echinodermata), Ophiocantabria elegans n. gen. and sp., is ...
International audienceThe Upper Ordovician (Sandbian) Letná Formation of Bohemia (Czech Republic) pr...
The Late Jurassic–Early Cretaceous Slottsmøya Member of the Agardhfjellet Formation in central Spits...
The Late Jurassic–Early Cretaceous Slottsmøya Member of the Agardhfjellet Formation in central Spits...
A new genus and species of Asteroidea (Echinodermata), Estoniaster maennili, is described from the U...
Abstract: The palaeobiogeographical distribution of the six major clades of Ordovician echinoderms (...
8 pages (p.23-30)International audienceFour distinct echinoderm Lagerstatten have recently been disc...
Four distinct echinoderm Lagerstätten have recently been discovered in the Upper Ordovician of the e...
A new genus and species of Asteroidea (Echinodermata), Estoniaster maennili, is described from the U...