| 单词 |
phrynophiurida |
| 释义 |
Phrynophiurida
Phrynophiurida[‚frī·nə′fyu̇r·ə·də] (invertebrate zoology) An order of the Ophiuroidea in which the vertebrae usually articulate by means of hourglass-shaped surfaces, and the arms are able to coil upward or downward in the vertical plane. |
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