E. ryukyuensis (Ec) has spines that, although they are not white-tipped, have the richly varying colors that are a ... [details]
E. tsumajiroi (Ea) is characterized by white-tipped spines, a well-defined bright milled ring, and dark skin on the ... [details]
This species name is unavailable under the Code because it has been publish after 1999 but lacks a statement of the ... [details]