''Vexillum geronimae'' is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

of small

sea snail Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...

, marine

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Costellariidae Costellariidae sometimes called the "ribbed miters" is a Taxonomy (biology), taxonomic family (biology), family of minute to medium-sized predatory sea snails, marine (ocean), marine gastropod mollusks. This family of snails is also sometimes re ...

, the ribbed miters.

Description

The length of the shell attains 17.4 mm. Its functional type is

Benthos Benthos (), also known as benthon, is the community of organisms that live on, in, or near the bottom of a sea, river, lake, or stream, also known as the benthic zone. Its feeding type is

predatory Predation is a biological interaction in which one organism, the predator, kills and eats another organism, its prey. It is one of a family of common feeding behaviours that includes parasitism and micropredation (which usually do not kill ...

Distribution

This marine species occurs off the Philippines.

References

* Poppe, G. T.; Tagaro, S.; Salisbury, R. A. (2009). New species of Mitridae and Costellariidae from the Philippines. Visaya Supplement. 4: 1-86. geronimae Gastropods described in 2009 {{Costellariidae-stub