| 单词 | Spiriferidina |
| 释义 | Spiriferidina [spī´rif·ǝ·rǝ`dī·nǝ] PALEONTOLOGY A suborder of the extinct brachiopod order Spiriferida including mainly ribbed forms having laterally or ventrally directed spires, well-developed interareas, and a straight hinge line. |
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