新疆塔里木盆地志留纪盔甲鱼类新知

刘玉海, 朱敏, 林翔鸿, 卢立伍, 盖志琨

A reappraisal of the Silurian galeaspids (stem-Gnathostomata) from Tarim Basin, Xinjiang

LIU Yu-Hai, ZHU Min, LIN Xiang-Hong, LU Li-Wu, GAI Zhi-Kun

表1 张氏西域鱼标本测量

Table 1 Measurements of Xiyuaspis zhangi (mm)

Holotype GMC V 2416.1 GMC V 2416.2 IVPP V 25445.1 Maximum length of preserved head-shield 76.0 111.0 90.5 92.0 Maximum width of preserved head-shield 72.0 115.0 115.0 101.6 Length of short axis of orbital opening 7.0 6.4 7.2 6.0 Length of long axis of orbital opening 10.0 7.1 7.8 7.6 Distance between orbital openings 24.0 — 21.0 22.5 Length of short axis of median dorsal opening 11.0 — 11.0 10.6 Length of long axis of median dorsal opening 20.0 — 22.5 21.0 Length of short axis of pineal fossa 1.3 — — — Length of long axis of pineal fossa 2.0 — — —