Palaeechinoidea

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Translingual

Etymology

From palae- +‎ Echinoidea.

Proper noun

†Palaeechinoidea

(archaic) A taxonomic subclass within the class Echinoidea – extinct Paleozoic sea urchins.

Hypernyms

(subclass): Eukaryota – superkingdom; Animalia – kingdom; Bilateria – subkingdom; Deuterostomia – infrakingdom; Deuterostomia – superphylum; Echinodermata – phylum; Echinozoa – subphylum; Echinoidea – class

References

William Dwight Whitney, Benjamin E Smith, editors (1911), “Palaeechinoidea”, in The Century Dictionary , New York, N.Y.: The Century Co., →OCLC.

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