Diodora crucifera
- Usual depth45–100 m
- Water temperature20–25 °C
- Best monthsJune
- How commonRare
About this species
Diodora crucifera is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets. First described in the late 1800s, it has a hole in the middle like other keyhole limpet shells. Examples of the species are hard to find.
Text from the Wikipedia article “Diodora crucifera”, 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: 0 records
- February: 0 records
- March: 2 records
- April: 1 records
- May: 2 records
- June: 35 records
- July: 13 records
- August: 4 records
- September: 1 records
- October: 2 records
- November: 2 records
- December: 0 records
Depth and water temperature
Depth
Mostly recorded at 45–100 m · Deepest record: 300 m
Water temperature
Recorded in surface water of 20–25 °C
Names and classification
Names in 1 more languages
- Japanese
- ジュウジテンガイ
Other scientific names: Fissurella cruciata, Glyphis crucifera
Similar species
Latticed Keyhole LimpetDiodora lineata
Cross Keynote LimpetDiodora quadriradiata
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).
- 164 open-data records from 1955 to 1990.
- Species data updated November 2, 2026.
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