河南济源中始新世似两栖犀属(奇蹄目：两栖犀科)一新种

王晓阳, 王元青, 张睿, 张忠慧, 刘晓玲, 任利平

A new species of Amynodontopsis (Perissodactyla: Amynodontidae) from the Middle Eocene of Jiyuan, Henan, China

WANG Xiao-Yang, WANG Yuan-Qing, ZHANG Rui, ZHANG Zhong-Hui, LIU Xiao-Ling, REN Li-Ping

Table 1 Measurements of the skull and upper cheek teeth of Amynodontopsis jiyuanensis sp. nov. (IVPP V 26305) and comparisons with other species of Amynodontopsis (mm)

Measures A. jiyuanensis A. bodei A. parvidens A. tholos IVPP V 26305 Wall, 1981 Wall, 1981 Wall, 1981 Basilar L 482 424 524 Palatine at M1, W 351 320* 538* 555* Zygomatic, Max W 164 195 235 Cranial at M3, H 143 160* 146* 190* P4 L/W 20/27 20/31 20/33 30/50 M1 L/W 29/30 29/36 39/40 51/50 M2 L/W 38/37 45/44 46/42 64/57 M3 L/W 31/35 40/39 35/37 49/51 P2-4 L ca. 49 50* 75* M1-3 L 89 116* 100* 160*