Lunella undulata

About this species

Lunella undulata, common name the common warrener, the lightning turban, or periwinkle, is a species of sea snail, marine gastropod mollusk in the family Turbinidae.

Text from the Wikipedia article “Lunella undulata”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 674 records
February: 479 records
March: 695 records
April: 626 records
May: 473 records
June: 418 records
July: 427 records
August: 505 records
September: 722 records
October: 728 records
November: 563 records
December: 568 records

Depth and water temperature

Depth

Mostly recorded at 0–10 m · Deepest record: 10 m

0–10 m: 889 records
10–20 m: 112 records

Water temperature

Recorded in surface water of 13–23 °C

12–14 °C: 24 records
14–16 °C: 232 records
16–18 °C: 20 records
18–20 °C: 8 records
20–22 °C: 11 records
22–24 °C: 11 records

Photos

(c) Rosie Steinberg, some rights reserved (CC BY), uploaded by Rosie Steinberg · CC BY · iNaturalist
(c) ttsquid, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Rosie Steinberg, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Sofia Zvolanek, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Thomas Mesaglio, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Grady Duffy, some rights reserved (CC BY) · CC BY · iNaturalist
(c) ttsquid, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

Other scientific names: Lunella (Subninella) undulata, Turbo anguis, Turbo ludus, Turbo undulatus

Similar species

Moon Turban
Lunella cinerea
Lunella correensis
Lunella smaragdus
Lunella torquata
Crowned Turban Shell
Lunella coronata
granulated moon turban
Lunella granulata

Sources and credits

Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).

Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
Conservation status as published by GBIF (IUCN Red List).
3,855 open-data records from 1900 to 2023.
Species data updated November 4, 2026.