Zygobranchia

Translingual

Proper noun

Zygobranchia

1. (dated, zoology) A taxonomic order within the class Gastropoda – marine gastropods in which the gills are developed on both sides of the body and the renal organs are also paired. The abalone (Haliotis) and the keyhole limpet (Fissurella) are examples.

References

• “Zygobranchia”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

Further reading

• “Zygobranchia”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.