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Muriceafruticosa, SBMNH 265945, light microscopy arrays. A 4× magnification, showing large spindles with pronounced conical spinules; central, vertically aligned one, measures 650 µm B 10× magnification of similar large spindles. Sclerite denoted by arrow is 0.875 mm in length, with a maximum length for this spindle form ~1.0 mm.
