Ecphora gardnerae is a species of extinct predatory ocenebrinid murex gastropod.

Shells of E. gardnerae are found in Miocene-aged marine strata of Maryland and Virginia.

Subspecies include: This species of large carnivorous sea snail lived during the Miocene epoch, and became extinct more than five million years ago.

The Miocene-aged specimens found in Maryland have been assigned to a different taxon, Ecphora gardnerae.

[2] As with most other muricids, Ecphora sea snails bored holes through the hard shells of other mollusks, usually bivalves, or sometimes other snails, including other, smaller Ecphoras, in order to feed on their soft insides using a toothed, ribbonlike appendage (common to almost all gastropods) known as a radula.