Vexillum willcoxi is an extinct species of sea snail, a marine gastropod mollusk, in the family Costellariidae, the ribbed miters. The Fossils Forum: Vexillum willcoxi
Description
The length of the shell attains 8 mm. Distribution Fossils of this marine species were found in Pleistocene strata in the Nashua Formation, Florida.
References
Dall, W. H., Transactions of the Wagner Free Institute of Science. Philadelphia, vol. 3, pt. 1, p. 93, pi. 3, fig. 10
External links Horace Richards (2007) - Catalogue of Invertebrate Fossil Types at the Academy of Natural Sciences