机译：两个新的“诺斯特拉坎人”，Chenops gen。十一月和Jeholops gen。十一月东北夷县组的甲壳纲：叉足纲：？
^pLaboratory;
of;
Insect;
Evolution;
and;
Environmental;
Changes,;
Capital;
Normal;
University,;
Beijing;
100048,;
China;
^pand;
Geophysics;
Department,;
Yale;
University,;
New;
Haven,;
Connecticut,;
USA;
甲壳纲; 东北; 中国; 义县组; 热河生物群; 早白垩世; 分类单元; 鳃;
