Palaeechinoidea
Translingual edit
Etymology edit
From palae- + Echinoidea.
Proper noun edit
†Palaeechinoidea
- (archaic) A taxonomic subclass within the class Echinoidea – extinct Paleozoic sea urchins.
Hypernyms edit
- (subclass): Eukaryota - superkingdom; Animalia - kingdom; Bilateria - subkingdom; Deuterostomia - infrakingdom; Deuterostomia - superphylum; Echinodermata - phylum; Echinozoa - subphylum; Echinoidea - class
References edit
- “Palaeechinoidea”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.