Table 1 in Ontogeny and evolutionary significance of a new acrotretide brachiopod genus from Cambrian Series 2 of South China

Table 1. Average dimensions and ratios of ventral and dorsal valves of Palaeotreta shannanensis gen. et sp. nov. from the Cambrian Series 2 Shuijingtuo Formation.
VLWHLmLmsWmsLaLiWiLcWcLfWfLvL/WH/LN15131413998161677161641314Mean9981130208561142199235870146423454741788.64%21.06%Min70775012041010116114704077258282527482.32%16.97%Max131915332827781792403112599249587686856694.67%26.00%Median10091190213538145195221072129417434841388.07%21.13%SD2002583813428266410156111510131293.95%2.56%VLm/LLms/LLa/LLi/LWi/WLi/WiLf/LiWf/WiLf/WfLc/LWc/WN1310961277151677Mean56.07%12.44%20.44%1.55%6.13%24.71%255.64%66.07%101.43%13.86%36.18%Min48.76%0.00%0.00%0.96%3.34%18.87%172.73%41.77%47.06%9.63%31.64%Max64.82%18.42%29.19%2.09%10.20%33.33%409.09%95.77%135.71%20.82%44.10%Median55.63%13.51%22.42%1.56%5.65%22.00%228.57%65.06%112.67%12.54%34.40%SD4.03%5.01%8.31%0.39%2.01%5.63%75.97%16.68%27.55%4.01%5.09%DLWHLmLmsWmsLsLpWpLcWcLgWgL/WH/LN666655444334466Mean9751127180537144212602594251725485818986.8%18.5%Min890996146490118198354573921454855715682.2%14.8%Max11351311225604185230743624652215995921891.3%22.4%Median9611103176521142209655594221505615819086.0%17.7%SD921273052271217123943581323.4%3.2%DLm/LLms/LLms/WmsLs/LLp/LWp/WLg/LpLg/WgWg/WpLc/LWc/WN65544444433Mean55.1%14.7%67.5%59.0%5.8%36.3%98.4%31.4%44.6%16.6%44.5%Min49.5%10.6%55.8%38.0%5.2%29.9%93.5%26.8%34.5%13.2%39.6%Max59.1%18.7%80.4%75.1%6.3%38.8%100.0%37.2%55.6%22.3%48.2%Median55.6%14.1%68.6%61.4%5.9%38.2%100.0%30.9%44.2%14.4%45.7%SD3.5%3.2%10.0%15.9%0.5%4.3%3.2%5.3%8.7%5.0%4.4%
All measurements are in µm. Abbreviations: D, dorsal valve; V, ventral valve; L, H, W, length, height and width of valve where not specified; La, length of ventral apical process; Lc, Wc, length and width of cardinal muscle scars; Lf, Wf, length and width of pedicle foramen; Lg, Wg, length and width of dorsal median groove; Li, Wi, length and width of ventral intertrough; Lm, length at maximum width; Lms, Wms, length and width of metamorphic shell; Lp, Wp, length and width of dorsal pseudointerarea; Ls, length of dorsal median septum; Lv, length of vascula lateralia.