Zirfaea pilsbryi
species of mollusc
Domain: Eukaryota • Regnum: Animalia • Subregnum: Eumetazoa • Cladus: Bilateria • Superphylum: Protostomia • Phylum: Mollusca • Classis: Bivalvia • Ordo: Myoida • Familia: Pholadidae • Genus: Zirfaea • Species: Zirfaea pilsbryi