In Japan the leaf sheaths are always conspicuously tuberculate-hispid; the older, lower sheaths with disarticulated blades are glabrescent and spotted with tubercles.
If Nanotyrannus had been scavenging it for food, then we would expect that the majority of the bones would have been gone, or at least the skeleton would been torn up and disarticulated.
节间通常清楚
脱节。
著具糙硬毛具瘤；最旧的，更下部的
情况下，大
分
头都会不见，最起码
该被撕开并且变形。
