Table 7 in Phylogeny and revision of Leucaltis and Leucettusa (Porifera: Calcarea), with new classification proposals and description of a new type of aquiferous system

Table 7. Spicule measurements of RoƜella simplicissima
Spicule ActineLength (µm)Width (µm)NMinMeanSDMaxMinMeanSDMaxBMNH 1928.2.15.35 (H)Cortical triactine160.0274.069.0380.010.019.05.030.020Cortical tetractine Basal120.0315.0137.0440.020.035.010.040.04Apical270.0454.0132.0>600.020.036.010.845.05Pygmy triactine25.035.55.245.05.07.51.710.010Pygmy tetractine Basal25.033.84.942.55.06.91.18.820Apical55.063.89.380.07.58.11.110.010MNRJ 10798Cortical triactinea69.3245.0108.8430.9-15.36.0-100Cortical tetractinea Basal291.9417.090.6500.4-30.67.9-5Apical347.5437.446.4486.5-35.27.2-15Pygmy triactinea26.433.44.146.2-5.80.8-30Pygmy tetractine Basal29.741.14.551.45.45.90.88.120Apical29.747.210.667.65.46.61.39.517MinMeanSDMaxMinMeanSDMaxCortical triactine450.0696.3100.2880.040.053.57.570.020Pygmy triactine10.016.25.530.02.52.90.95.015
aTaken from Azevedo et al. (2009).
H, holotype.