長是裂尾甲（Coptoclava longipoda Ping, 1928）是採集於延邊朝鮮族自治州智新盆地的化石標本。
基本介紹
- 中文名：長是裂尾甲
- 外文名：Coptoclava longipoda Ping, 1928
- 產地：延邊朝鮮族自治州智新盆地
- 保存單位： 中國科學院南京地質古生物研究所
特徵描述,主要用途,
特徵描述
adults head not large, broader than long; eyes large, round on lateral sides of head; antennae with only two basal segments preserved, rectangular; mandibles not large, acute without teeth. pronotum small, nearly trapezoidal. scutellum small, triangular. meso-and meta-thorax united closely, nearly trapezoidal. elytron with base straight; humeral angle obstue; lateral margin arcuate, sutural straight for about basal half of elytral length and then arcute slightly towards apex; broadest slightly behind the middle; surface without ornament. fore coxae longitudial; middle coxae transverse, not large; hindlegs with coxae transverse, femora not preserved, part tibia and 3 tarsi preserved, broad and flat. abdomen equal to head and thorax combined in length, consisting of 7 segments in equal length; the second to the sixth segments with hairs and a pair of spiracles on both sides and near anterior margin of each sternum; the last one small, dehiscent at apex with genitalia elongate, round and protruding (female).
主要用途
地層劃分與對比。
