Palaeontology. In rugose corals: a cavity or groove where one of the primitive septa has failed to develop.
| 单词 | θ32171 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Anthozoa Actinozoa > member of > septum > space representing (1) fossula1850 Palaeontology. In rugose corals: a cavity or groove where one of the primitive septa has failed to develop. |
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