Originally: an extinct echinoid (sea urchin) belonging to the former subclass Palaechinoidea, comprising all or most Palaeozoic echinoids, typically…
| 单词 | θ33453 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > subphylum Eleutherozoa > class Echinoidea > fossil > member of division Palaechnoidea (1) palaechinoid1863 Originally: an extinct echinoid (sea urchin) belonging to the former subclass Palaechinoidea, comprising all or most Palaeozoic echinoids, typically… |
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