内蒙古鄂托克旗早白垩世龟类化石一新种

内蒙古鄂尔多斯地区早白垩世地层中产有丰富的龟类化石,本文记述了鄂托克旗查布一带泾川组的一件龟类背甲,其近六边形的第3椎盾宽为长的2倍且其前侧缘长约为后侧缘长的1.7倍、第8对肋板在中线处相接、第1上臀板宽大、侧棘发达等组合特征,表明其不同于中国龟属Sinemys的已知种,被命名为查布中国龟(新种)Sinemys chabuensis sp.nov.。龟类在鄂尔多斯地区早白垩世恐龙动物群中具有较高的分异度,志丹群泾川组和罗汉洞组中各发现至少2个种的龟类,它们既有继承性又有差异性,为研究中国龟类(sinemydids)的演化提供重要依据。

Anomala semicastanea Species Group (Coleoptera: Rutelidae) of China

Anomala semicastanea species group consists of five species found in China: A. semicastanea Fairmaire, A. rufithorax Ohaus, A. shimenensis sp. nov., A. insulicola sp. nov. and A. atrovirens sp. nov.. Anomala amoena Frey, 1971 is designated as a syn. nov. to A. rufithorax Ohaus, 1933. All the type specimences are deposited in the Guangdong Entomological Institute.