Marine Snails: Ceriths, Nassas and Conchs, Part 2 Codexery

Cerithium zebrum

A small cerithiid snail with a pronounced spiral shell.

Last updated

Cerithium zebrum is a species of sea snail, a marine gastropod mollusk in the family Cerithiidae. It is also commonly named the zebra horn. Its shell reaches about 7 mm in length and displays a distinctive growth pattern, starting as a solitary spiral cord that progressively strengthens, giving the shell a pronounced spiral form.

Scientific classification

  1. KingdomAnimalia
  2. PhylumMollusca
  3. ClassGastropoda
  4. SubclassCaenogastropoda
  5. Order''incertae sedis''
  6. FamilyCerithiidae
  7. GenusCerithium
  8. SpeciesCerithium zebrum

Named by Kiener, 1841

Close relatives

Other species of Cerithium with a Codexery entry.

Sources: Wikipedia taxobox: Cerithium zebrum (CC BY-SA 4.0) · differs from this box at order: WoRMS AphiaID 216673 (CC BY 4.0)

Where the cerithium zebrum has been recorded

Where the cerithium zebrum has been recorded185 mapped locations from 802 GBIF occurrence records

Each dot is a place where the species has been observed and reported (802 records, half-degree grid) — not a modelled range. 42 inland records left out (institution coordinates).

Map: drawn by Codexery. Data: GBIF occurrence search (records CC0 / CC BY) · Natural Earth basemap (public domain)

Quick Facts

Length
about 7 mm / 0.276 in
Common name
zebra horn
Family
Cerithiidae

Facts from the source article.

Background

Cerithium zebrum has a shell that begins as a solitary spiral cord and becomes more pronounced over time. Numerous threads within the shell differ in toughness; where a keel forms, the ribs or axial riblets tend to be more fragile due to the single spiral strand. The shell comes in many colors, including brown, beige, salmon, and mauve, and its design varies between banded and unbanded forms.

The species is found in the Western Central Pacific, including Guam, Hawaii, American Samoa, the Northern Mariana Islands, Indonesia, and the Philippines. Its primary habitat is among rocky shores in the rugged, ever-changing conditions of the intertidal zone or tidal pools. It is also said to occur in anchialine ponds, which are brackish water environments—a mix of fresh and saltwater.

More in Marine Snails: Ceriths, Nassas and Conchs

Sources

Compiled from Wikipedia and the sources listed below. Text from Wikipedia is available under CC BY-SA 4.0; this entry is adapted from it.

Spotted an error? Know more?

Reader corrections go straight into our review queue. Suggest an edit · How this site is sourced

Comments

Loading…
Open in the interactive codex →