Taxonomy
- Kingdom: Animalia
- Phylum: Mollusca
- Class: Gastropoda
- Subclass: Caenogastropoda
- Order: Neogastropoda
- Family: Costellariidae (ribbed miters)
- Genus: Vexillum
- Species: Vexillum ochraceum (Reeve, 1845)
Nomenclature
The specific epithet ochraceum is derived from the Latin ochraceus, meaning “ochre‑coloured,” likely referring to the shell’s typical coloration. The species was originally described under the name Mitra ochracea by Lovell Augustus Reeve in 1845 and later transferred to the genus Vexillum.
Description
Vexillum ochraceum is a small to medium-sized marine snail. Shells are generally elongated with a high spire and a siphonal canal. The surface bears characteristic axial ribs (costae) typical of the family Costellariidae. Coloration is described as an ochre or yellowish-brown hue, sometimes with lighter or darker banding. Precise morphometric data (e.g., shell length range, rib count) are not consistently reported in the available literature; therefore, detailed measurements remain uncertain.
Distribution and Habitat
The species is reported from Indo‑Pacific marine waters, but comprehensive distribution records are limited. Sources suggest occurrences in coral reef or sandy substrates at shallow to moderate depths, typical of many Vexillum species. Accurate, peer‑reviewed distributional data are not confirmed.
Ecology
Like other members of Costellariidae, V. ochraceum is presumed to be a carnivorous predator or scavenger, feeding on small invertebrates. Specific dietary habits, reproductive biology, and ecological interactions have not been documented for this species.
Conservation Status
No assessment has been made by the International Union for Conservation of Nature (IUCN) for Vexillum ochraceum. Consequently, its conservation status is currently unknown.
References
- Reeve, L. A. (1845). Monograph of the genus Mitra. Conchologia Iconica.
- MolluscaBase (2023). Vexillum ochraceum (Reeve, 1845). World Register of Marine Species. Accessed [date].
Note: Accurate information is not confirmed for several aspects of the species’ description, distribution, and ecology due to limited published data.