Sulcate False-Tun
Oocorys sulcata
- Usual depth1,005–3,700 m
- Water temperature14–30 °C
- Best monthsJune
- How commonRare
About this species
Oocorys sulcata is a species of large sea snail, a marine gastropod mollusc in the family Cassidae, the helmet snails and bonnet snails.
Text from the Wikipedia article “Oocorys sulcata”, 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: 2 records
- February: 7 records
- March: 0 records
- April: 10 records
- May: 14 records
- June: 26 records
- July: 3 records
- August: 6 records
- September: 8 records
- October: 5 records
- November: 9 records
- December: 11 records
Depth and water temperature
Depth
Mostly recorded at 1,005–3,700 m · Deepest record: 5,057.5 m
Water temperature
Recorded in surface water of 14–30 °C
Names and classification
- English
- Sulcate False-Tun
Names in 1 more languages
- Japanese
- タイセイヨウタマゴボラ, ナガタマゴボラ
Other scientific names: Benthodolium abyssorum, Dolium (Eudolium) aulacodes, Eudolium aulacodes, Oocorys abyssorum, Oocorys elongata, Oocorys fischeri, Oocorys rotunda, Oocorys schepmani, Oocorys umbilicata, Oocorys watsoni, Oocorys weberi, Tonna (Eudolium) aulacodes
Similar species

Checkered bonnetPhalium areola



Atlantic casmariaCasmaria ponderosa
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).
- 253 open-data records from 1883 to 2015.
- Species data updated November 5, 2026.
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