†Prionocidaris avenionensis Des Moulins 1837 (pencil urchin)
Click image to enlarge. Click to access iDigBio record.
Echinoidea - Cidaroida - Cidaridae
Alternative combination: Cidarites avenionensis
Synonym: Cidaris verticillum Mazzetti and Pantanelli 1885
Belongs to Prionocidaris according to E. Borghi and P. Stara 2016
Sister taxa: Prionocidaris baculosa, Prionocidaris bispinosa, Prionocidaris emiratus, Prionocidaris morgani, Prionocidaris pistillaris, Prionocidaris pseudopistillum
Ecology: slow-moving low-level epifaunal grazer-omnivore
Distribution:
• Miocene of Egypt (2 collections), Italy (3), San Marino (3)
Total: 8 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.