原文Introduction: typically very spinose and densely sculptured trilobites. ! w- J$ |" M/ v$ O" _9 gCephalon: convex; glabella tapering forward or subparallel, extending to anterior margin or nearly so, less complex lobation than in Lichoidea; eye ridges run from anterior end of glabella to palpebral lobe; opisthoparian sutures, often placed on sutural ridges; distinct notch in margin of free cheek adjacent to where anterior sutures cut cephalic margin; facial sutures secondarily lost in some genera; short genal spines typically present. 0 D7 q/ p! e2 z& L' u! b2 yThorax: 8 – 10 segments; tips of each bear 2 – 3 pairs of spines (anterior pair often difficult to see, ventrally directed); often with symmetrical row arrangements of pleural spines or tubercles. . [1 y h3 {/ P! ]2 P4 ZPygidium: micropygous, short, transverse, with 2 – 3 axial rings (3rd often faint), one or more pairs of tubular border spines, the largest of which connected to first axial ring by prominent ridge.
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大概意思是8 - 10的每一段;2 - 3双棘 外骨骼非常多刺 . F5 y9 H( ^5 \8 O/ C$ W+ T / F; G K. Z$ r( ]' A( X' Y, e; N' |% P5 X( U1 b% Q
' F% E P: ?; U4 X: e7 N4 E9 Npygidium micropygous transverse,bearing one or more pairs of spines,larges of which connected to first axial ring via porminent ridge 这句的大概意思是小尾板横向、轴承的一个或多个双棘,具有轴环然后连接到通过的背脊上。 翻译错了帮忙改正
狗仔卡
发表于 2010-8-13 21:05:23
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡
这里有一些Odontopleuroidea的代表9 k( ~! J% I& @0 o( j
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厉害
