Club murex
Pterynotus elongatus
- Usual depth3–15 m
- Water temperature19–29 °C
- Best monthsJanuary
- How commonRare
About this species
Pterynotus elongatus, commonly known as club murex, is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.
Text from the Wikipedia article “Pterynotus elongatus”, 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: 7 records
- February: 1 records
- March: 0 records
- April: 0 records
- May: 0 records
- June: 0 records
- July: 1 records
- August: 0 records
- September: 0 records
- October: 2 records
- November: 1 records
- December: 4 records
Depth and water temperature
Depth
Mostly recorded at 3–15 m · Deepest record: 15 m
Water temperature
Recorded in surface water of 19–29 °C
Names and classification
- English
- Club murex, Rudder murex, club murex, rudder murex
Names in 2 more languages
- German
- Keulen-Stachelschnecke, Ruder-Stachelschnecke
- Japanese
- カラスキ
Other scientific names: Marchia elongata, Murex clavus, Murex draco, Murex elongatus, Pterynotus (Pterynotus) elongatus
Similar species
Common Small PurpleAgnewia tritoniformis



Adusta murexChicoreus brunneus
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).
- 59 open-data records from 1959 to 1998.
- Species data updated October 30, 2026.
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