標(biāo)本采集地青島太平角。形態(tài)學(xué)數(shù)據(jù)標(biāo)本體長(zhǎng):174mm,體重:35.1g。耳石長(zhǎng):2.43mm,耳石寬:1.14mm,耳石周長(zhǎng):6.47mm,雙徑差:0.68mm,耳石面積:1.90mm2,矩形趨近率:0.68,充實(shí)度:22.08,近圓度:0.48,密度:0.98mg/mm2。耳石形態(tài)學(xué)描述耳石邊緣平滑,背部平直,腹部 ......(本文共 244 字 , 1 張圖) [閱讀本文] >>