Table 1. A in A taxonomic review of the genus Asterostegus (Echinodermata: Ophiuroidea), with the description of a new species

Table 1. A tabular character key to the species of Asterostegus. Tubercles on aboral surface of the discNumbers and arrangement of oral interradial platesSpeciesNumber and arrangement of tubercles on aboral discNumber of tubercles on top of each lateral barLength of tubercles on periphery of radial shieldsA. sabineae sp. nov.Two to four, in a line on the radial shieldOne or twoca. 1–1.2 mmOne in each interradiusA. maini McKnight, 2003Ca. 10, only on periphery of radial shieldThree to fiveca. 250–300 µmThree to five arranged in one rowA. tuberculatus Mortensen, 1933Scattered over entire radial shield and peripheral part of aboral discTwo or threeca. 350 µmFive to eight arranged in two rows表1 星盖蛇尾属（Asterostegus）物种表格式特征检索表： 1. 萨宾星盖蛇尾（A. sabineae sp. nov.）：反口面盘瘤突为2~4个，呈单行排列于辐盾上；口面间辐板数量为1~2个，每个间辐区具1个；每根侧条顶端的瘤突数量为1~2个；辐盾边缘瘤突长度约1~1.2毫米。 2. 梅氏星盖蛇尾（A. maini McKnight, 2003）：反口面盘瘤突约10个，仅分布于辐盾边缘；口面间辐板数量为3~5个，呈单行排列；每根侧条顶端的瘤突数量为3~5个；辐盾边缘瘤突长度约250~300微米。 3. 瘤突星盖蛇尾（A. tuberculatus Mortensen, 1933）：反口面盘瘤突散生于整个辐盾及反口面盘的边缘区域；口面间辐板数量为2~3个，呈双行排列；每根侧条顶端的瘤突数量为5~8个；辐盾边缘瘤突长度约350微米。