47 1 ((PRIONOCIDARIS,(CALOCIDARIS,STEREOCIDARIS)),((ASPIDODIADEMA,((DIADEMA,CENTROSTEPHANUS),(CAENOPEDINA,(((((((PSAMMECHINUS,PARACENTROTUS),((ANTHOCIDARIS,STRONGYLOCENTROTUS),(((SPHAERECHINUS,CYTECHINUS),TRIPNEUSTES),LYTECHINUS))),GENOCIDARIS),(PSEUDECHINUS,(((SALMACIELLA,SALMACIS),(TEMNOPLEURUS,TEMNOTREMA)),(MICROCYPHUS,(HOLOPNEUSTES,(MESPILIA,AMBLYPNEUSTES))))))"B(.93, 1.0)",(COELOPLEURUS,ARBACIA))"B(1.68,2.01)",STOMOPNEUSTES)"B(1.82,2.01)",(ECHINONEUS,(((((RUMPHIA,ECHINOCYAMUS),(ECHINODISCUS,ENCOPE)"B(.28, .33)"),FELLASTER),((CONOLAMPAS,ECHINOLAMPAS),CASSIDULUS)),(PLEXECHINUS,((ARCHAEOPNEUSTES,(ABATUS,PALEOPNEUSTES)),((SPATANGUS,ECHINOCARDIUM),(BRISSOPSIS,MEOMA)))))))"B(1.90, 2.35)")"B(2.05, 2.52)")"B(2.05, 2.52)")"B(2.05, 2.52)",(ARAEOSOMA,ASTHENOSOMA))"B(2.05, 2.52)")"B(2.66, 3.46)";