A genus of fossil brachiopods, found abundantly in the Silurian, Devonian, and Carboniferous formations, characterized by long highly-developed…
| 单词 | θ32729 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Brachiopoda > [noun] > miscellaneous types of (4) Spirifer1835 A genus of fossil brachiopods, found abundantly in the Silurian, Devonian, and Carboniferous formations, characterized by long highly-developed… rhynchonellid1865 Any of various articulate brachiopods constituting the family Rhynchonellidae or (later) the order Rhynchonellida, having strongly ridged… spire-bearer1881 attributive and in other combinations, as spire-shell, spire-ward adj.; spire-bearer n. Conchology a spirifer. articulate1905 A brachiopod belonging to the class Articulata, characterized by a hinged shell. Cf. sense A. 8b. |
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