< p >第一个标本似乎更像是< em > Elrathia < / em > sp。特性指出,类似小的眼睛,小的颊的脊柱(极端左派和右派的后缘头),和强大的前锥眉间(皇冠、圆顶之间的眼睛,蜡烛向鼻子)。胸膜叶(尾部分)是沿横向左右叶轴和几乎没有皱纹。标本显示典型的压扁(破碎)引起的上覆岩层的重量在葬礼和岩化。< / p > < p > < em >虽然Proetus < / em > sp.显示功能,如< em > Elrathia < / em >,颊的刺不项目的< em > Elrathia < / em >。眉间的< em > Proetus < / em >不是强烈锥形,复数叶,哪个有许多皱纹,更拉长在壳牌的长度,而不是从左到右。< / p > < p >第二个标本是很难确定,但在几个方面类似< em >眼镜虫属< / em > sp,有明显eye-buds,纹理眉间。标本显然看起来很小,也许一个少年。一个成年人将约8.5厘米长。这是段标本。< / p > < p >三叶虫叫,因为他们有三个叶,即头(头),胸腔(中央体)和尾板(截断后叶)。动物经常不毛之地,所以一个动物可以产生相当数量的壳。 The fossilized remnants of the living animal, at death, are rarely if ever found. Trilobites had two shells, a dorsal shell, which is usually found, and a much softer ventral shell. This ventral shell, and the soft tissues of the trilobite animal, usually deteriorated after death so little is known about what trilobites looked like in life. The following reference was consulted -
Easton, W. H., 1960, Invertebrate Paleontology, Harper and Row, New York.