spondylidæ

from The Century Dictionary.

• A family of marine bivalves, related to the Limidæ and to the scallops, typified by the genus Spondylus; the thorn-oysters.
• In entomology, a family of phytophagous coleopterous insects, typified by the genus Spondylis, having deeply impressed sensitive surfaces of the antennæ, and the tarsi not dilated.