Matrix of genus occurrences for the GFRI and closeness index analysis of Bartolini-Lucenti et al. "The Montopoli site, a reference Local Fauna in the Pliocene and Pleistocene European Large Mammals Bi
The brachiopod order Atrypida originated in the Middle Ordovician and went extinct in the Late Devonian. Few cladistic studies have been undertaken for this group. Here we investigate their early evol
The filter-feeding organ of some extinct brachiopods is supported by a skeletal apparatus called the brachidium. Although relatively well-studied in Atrypida and Athyridida, the brachidial morphology
