Ornithoscelida
Or`ni`tho`scel´i`da
| n. pl. | 1.(Zool.) A group of extinct Reptilia, intermediate in structure (especially with regard to the pelvis) between reptiles and birds. |
| 单词 | ornithoscelida | ||
| 释义 | OrnithoscelidaOr`ni`tho`scel´i`da
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