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Cox's Top Shell

Notogibbula bicarinata

  • Molluscs
  • IUCN: Not evaluated
  • Water temperature15–23 °C
  • Best monthsMarch, May, and September
  • How commonRare
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Photo credit: (c) Thomas Mesaglio, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

Notogibbula bicarinata, common name "Cox's top shell", is a species of sea snail, a marine gastropod mollusc in the family Trochidae, the top shells.

Text from the Wikipedia article “Notogibbula bicarinata”, 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: 4 records
  • February: 4 records
  • March: 7 records
  • April: 1 records
  • May: 10 records
  • June: 1 records
  • July: 3 records
  • August: 3 records
  • September: 7 records
  • October: 5 records
  • November: 2 records
  • December: 5 records

Depth and water temperature

Water temperature

Recorded in surface water of 15–23 °C

  • 14–16 °C: 4 records
  • 16–18 °C: 9 records
  • 18–20 °C: 7 records
  • 20–22 °C: 21 records
  • 22–24 °C: 6 records

Names and classification

English
Cox's Top Shell

Other scientific names: Gibbula coxi, Notogibbula coxi, Stomatella bicarinata, Stomatia bicarinata

Similar species

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 1961 to 2006.
  • Species data updated November 5, 2026.

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