TABLE 4 in Description of the early shell morphology of three species of Pectinidae (Mollusca: Bivalvia) from Argentina

TABLE 4. Measurements for the early shell of 3 Argentine pectinids. AA = anterior auricle; PA = posterior auricle; AA/ PA = ratio; PriS = prismatic stage; NR = number of ribs; AC = teeth of active ctenolium; N = Nepioconch of left valve (*). Measurements in mm, angles in degree (º).
NLengthAngleAAPAAA/PAPriS NRACN (*)Aequipecten tehuelchus14.75981.821.980.922.581931.7524.8962.122.360.92.381841.9934.401072.052.180.942.531732.9045.00932.312.271.023.511842.2555.521012.252.460.912.901842.4064.171041.772.050.862.481842.2274.31981.841.980.922.552032.2785.66952.612.750.952.531662.4295.51942.382.570.932.801832.06104.291031.761.970.892.421832.02115.581042.272.520.93.601741.96125.461001.762.680.662.71842.60134.971011.952.050.952.891932.23143.81991.61.750.912.301832.24155.06952.132.360.902.621842.12164.87982.052.30.892.661542.23174.56991.862.150.872.751832.29184.511011.972.050.963.351642.67193.601021.371.710.802.21842.32203.301021.411.520.932.551832.09Mean4.701001.962.180.902.71--2.25SD0.6740.320.330.070.38--0.26Mode------184-Flexopecten felipponei13.67981.541.690.911.99-42.0223.131021.171.270.921.88-31.93Mean1001.361.480.921.93--1.97Zygochlamys patagonica13.44921.250.911.371.393132.5723.50931.280.941.371.282832.1433.22881.100.821.341.132832.2543.21891.090.811.341.012632.6152.93881.170.891.321.382332.0062.92861.230.971.261.572122.47Mean3.20891.190.891.331.29--2.34SD0.2420.080.060.040.2--0.25Mode------283-