†Hesperocidaris Mortensen 1928 (pencil urchin)
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Echinoidea - Cidaroida - Cidaridae
Parent taxon: Cidaridae according to U. S. Grant and L. G. Hertlein 1938
Sister taxa: Centrocidaris, Cidarinae, Cidarini, Cidaris, Dorocidaris, Goniocidarinae, Phyllacanthina, Prionocidaris, Rhabdocidarinae, Stereocidarinae, Stylocidarinae, Triassicidaris
Subtaxa: Hesperocidaris panamensis
Ecology: slow-moving low-level epifaunal grazer-omnivore
Distribution:
• Miocene of United States (2: California collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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