This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
Corresponding author (Name, Year)
Gracilechinus gracilis nysti
Ref.: J. Geys. 1989. On the presence of Gracilechinus (Echinoidea, Echinidae) in the Late Miocene of the Antwerp Area (Belgium). Meded. Werkgr. Tert. Kwart. Geol 26(1):3-10