| 单词 | labyrinthodont |
| 例句 | Although the stapes and otic region are readily visible in a number of labyrinthodonts and lepospondyls, no indication of an operculum seems to be reported among them. The Ancestry of Modern Amphibia: A Review of the Evidence 2011-09-10T02:00:27.077Z The rarity in the deposits of animals of larger body size than Captorhinus, the exceptions being a few limb fragments and skull fragments of labyrinthodont or pelycosaurian nature. Two New Pelycosaurs from the Lower Permian of Oklahoma |
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