云南曲靖下泥盆统最大真盔甲鱼类漫游憨鱼再描述

孟馨媛, 朱敏, 盖志琨

Redescription of Nochelaspis maeandrine ,the largest eugaleaspiform from the Lower Devonian of Qujing, Yunnan

MENG Xin-Yuan, ZHU Min, GAI Zhi-Kun

Table 1 Measurements of Nochelaspis maeandrine and Yunnanogaleaspis major (mm)

N. maeandrine Y. major IVPP V 10106 V 26124.2 GMC V 1734 Maximum length of the headshield 127.0 – 112 Maximum width of the headshield 158.5 – – Length of the headshield in midline 78.0 – 78.0 Maximum diameter of the orbital opening 10.0 9.0 9.8 Distance between the orbital openings 33.0 32.8 31.3 Long axis of the median dorsal opening 24.5 21.6 18.0 Short axis of the median dorsal opening 2.4 2.4 3.4 Long axis of the pineal fossa – – 1.3 Short axis of the pineal fossa – – 0.9 Length of the pre-pineal region – – 45.5 Length of the post-pineal region – – 32.5 Distance between paired inner cornual processes 49 – –