Phalacrocidaris japonica Doderlein 1885 (pencil urchin)
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Echinoidea - Cidaroida - Cidaridae
Alternative combinations: Dorocidaris japonica, Stereocidaris (Phalacrocidaris) japonica
Belongs to Phalacrocidaris according to A. B. Smith 2009
See also Nisiyama 1966
Sister taxon: Phalacrocidaris branneri
Subtaxa: Stereocidaris (Phalacrocidaris) japonica multipora
Ecology: slow-moving low-level epifaunal grazer-omnivore
Distribution: found only at Shiba (Quaternary of Japan)
Specimen images are retrieved through the ePANDDA API.
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