Copernicrinus zamorae gen. et sp. nov., the oldest thiolliericrinid crinoid (Crinoidea, Echinodermata) from the Bajocian strata of Algeria, Africa
Journal: Journal of Palaeogeography
Year: 2024

The thiolliericrinids (Thiolliericrinidae) are comatulids (Comatulida), which retained their stalks as adults. Here, we report a centrodorsal from the Bajocian strata (Middle Jurassic) of the Djebel Kérdacha area, northwestern Algeria (Africa). It is the first thiolliericrinid report from outside of Europe and also the oldest representative of the Thiolliericrinidae whose first occurrence is from the Oxfordian. The crinoid is assigned to Copernicrinus zamorae gen. et sp. nov. The reported new ta