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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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