"a. Spicules of the cortex and the chamber layer" ;"cortical triactines";"tubar triactines";"subatrial triactines";; ;unpaired;paired;unpaired;paired;unpaired;paired;; "Type specimens: Wagu";"80-420 x 8-20";50-220×4-16;140-225×10-16;90-160×10-16;180-350×8-10;65-110×8-10;; Okinawa;48-315×6-24;40-242×9-23;93-270×8-21;92-241×9-21;207-291×6-10;61-111×6-10;; "b. Spicules of the atrial region" ;"atrial triactines";"atrial tetractines";"apopylar triactines" ;unpaired;paired;unpaired;paired;apical;unpaired;paired;apical "Type specimens: Wagu";100-390×8-10;70-200×8-10;100-390×10;115-170×10;40-90×12;20-25×4;56-70×4;20×12-18 Okinawa;150-354×8-11;114-261×7-12;42-226×7-10;105-171×7-10;30-63×6-12;14-39×3-5;27-78×3-5;13-24×5-10 "c. Spicules of the fringe" ;"Fringe diactines";"Fringe triactines";;"Fringe tetractines";; ;;unpaired;paired;unpaired;paired;apical;; "Type specimens: Wagu";300-880×14-28;340×10;150×12;150-420×8;150-200×10;20-40×10;; Okinawa;360-990×12-29;156-279×6-10;63-105×7-10;165-528×9-15;81-273×8-12;16-76×5-10;;