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Paraheteraster macroholcus
Paraheteraster macroholcus Nishiyama, 1950
Extinct species
Habitat: Marine
Classification
kingdom Animalia,
phylum Echinodermata
,
class Echinoidea
,
order Spatangoida
, family Toxasteridae, genus Paraheteraster
Distribution
Cretaceous:
Wakayama