Table 11 in Phylogeny and revision of Leucaltis and Leucettusa (Porifera: Calcarea), with new classification proposals and description of a new type of aquiferous system

Table 11. Spicule measurements of RoƜella imperfecta (holotype)
SpiculeActineLength (µm)Width (µm)NMinMeanSDMaxMinMeanSDMaxCortical triactine190.0409.0157.1690.020.037.813.460.020Cortical tetractineBasal210.0472.0188.8900.030.055.316.790.020Apical390.0763.8292.7>1080.0a30.058.817.380.08Pygmy triactine30.046.112.437.55.06.11.37.59Pygmy tetractineBasal25.056.013.077.55.06.61.510.020Apical-62.5---7.5--1MinMeanSDMaxMinMeanSDMaxBMNH 1925.10.1.5 (L)Cortical triactine375.0662.5153.1925.025.049.410.375.020Pygmy triactine32.541.15.650.03.84.80.55.07Pygmy tetractineBasal37.542.74.150.05.05.0-5.011Apical45.0103.372.9185.02.54.21.45.03BMNH 1925.10.1.6 (PL)Cortical triactine550.0661.383.7875.025.040.614.575.020Pygmy triactine27.534.86.952.55.05.0-5.020Pygmy tetractineBasal25.036.88.955.05.05.61.17.520Apical102.5123.830.1145.07.57.5-7.52MinMeanSDMaxMinMeanSDMaxBMNH 1923.10.1.2 (L)Cortical triactine350.0486.093.7670.020.033.37.350.020Cortical tetractineBasal430.0711.5302.11225.050.064.020.1100.010Apical1175.01337.5229.81500.075.087.517.7100.02Pygmy triactine27.533.33.637.52.53.91.25.020Pygmy tetractineBasal27.534.14.545.02.54.11.25.020Apical162.5163.81.8165.05.06.31.87.52BMNH 1923.10.1.4 (PL)Cortical triactine200.0546.0246.31020.010.055.029.2120.020Cortical tetractineBasal625.0850.0139.61000.062.581.322.0125.06Apical825.0887.588.49650.062.568.88.875.02Pygmy triactine30.034.62.840.05.05.10.46.320Pygmy tetractineBasal30.035.33.542.55.05.10.46.320Apical50.0116.837.3175.02.54.82.07.520
aActines were broken.
L, lectotype; PL, paralectotype.
L, lectotype; PL, paralectotype.