These head shields were wider than the rest of the body, and they sometimes tended toward extravagance, as in the case of Boreaspis, a fish that sported a large spike sprouting from its face.
这些头盾比身体的其他部分更宽，它们有时会显得过于奢华，例如北吻鱼， 这是一种脸上长着一根大刺的鱼。
| 单词 | Boreaspis |
| 释义 |
Boreaspis
原声例句
PBS地球-动物趣闻 These head shields were wider than the rest of the body, and they sometimes tended toward extravagance, as in the case of Boreaspis, a fish that sported a large spike sprouting from its face. 这些头盾比身体的其他部分更宽，它们有时会显得过于奢华，例如北吻鱼， 这是一种脸上长着一根大刺的鱼。
英语百科
BoreaspisBoreaspis ("Boreas' Shield") is an extinct genus of primitive jawless fish that lived in the Devonian period. Fourteen different species of Boreaspis have been found in sandstone of the lagoons and estuaries of Devonian Spitsbergen. Boreaspis was about 13 centimetres (5.1 in) long, with a tough shield covering its head, and extra protective spikes protruding from the cheek regions. It also had a long spike-like rostrum on its snout, which would have enhanced the fish's hydrodynamics and was probably also used to root out food buried beneath the substrate. |
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