†Prionocidaris baculosa anulifera Lamarck 1816 (pencil urchin)
Echinoidea - Cidaroida - Cidaridae
Alternative combination: Cidarites anulifera
Belongs to Prionocidaris baculosa according to S. Nisiyama 1966
Sister taxa: none
Ecology: slow-moving low-level epifaunal grazer-omnivore
Distribution: there are no occurrences of Prionocidaris baculosa anulifera in the database