The 'Great Ordovician Biodiversification Event'(GOBE) saw a spectacular increase in marine
biodiversity at all taxonomic levels largely within the phyla established much earlier during …

The palaeobiogeographical distribution of the six major clades of Ordovician echinoderms
(asterozoans, blastozoans, crinoids, echinozoans, edrioasteroids and stylophorans) is …

Abstract The Anti-Atlas contains a thick, volcanic-free Ordovician succession that originally
deposited in a passive-margin basin. Three main sedimentary packages are bounded by …

The phylogenetic relationships of Paleozoic blastozoan echinoderms are poorly understood
and many of the traditionally ascribed groups are likely polyphyletic. Diploporitans, those …

The variability of the location of the mouth along the theca in different genera of solutans
indicates the presence of torsion in their ontogeny and is explained by a paedomorphic …

Exceptionally preserved fossils yield crucial information about the evolution of Life on Earth.
The Fezouata Biota from the Lower Ordovician of Morocco is a Konservat-Lagerstätte of …

In the western Tafilalt area, eastern Anti-Atlas (Morocco), solutan echinoderms are a major
faunal element of most echinoderm Lagerstätten occurring within the Lower Ktaoua …

The Subphylum Blastozoa represents more than one third of the early Palaeozoic
echinoderm fauna. A comprehensive database including all records of blastozoans was built …

The morphology of the Late Ordovician solutan Dendrocystites is reevaluated based on
more than 300 specimens from the Letná and Zahořany formations (Prague Basin, Czech …

“Pan-dichoporites”(new informal term) is proposed to unite Cambrian blastozoans, such as
Cambrocrinus, Ridersia, and Sanducystis, glyptocystitoid and hemicosmitoid rhombiferans …