Maoricrypta monoxyla

About this species

Maoricrypta monoxyla is a species of small sea snail or slipper snail, a marine gastropod mollusc in the family of Calyptraeidae. This species is found in New Zealand. It can grow to a length of 30mm with a width of 25mm.

Text from the Wikipedia article “Maoricrypta monoxyla”, 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: 17 records
February: 11 records
March: 4 records
April: 5 records
May: 6 records
June: 6 records
July: 2 records
August: 4 records
September: 7 records
October: 13 records
November: 6 records
December: 14 records

Depth and water temperature

Depth

Mostly recorded at 0–110 m · Deepest record: 225 m

0–10 m: 16 records
10–20 m: 1 records
20–30 m: 2 records
30–40 m: 2 records
40–50 m: 1 records
50–60 m: 0 records
60–70 m: 0 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 1 records
100–110 m: 0 records
110+ m: 3 records

Water temperature

Recorded in surface water of 10–20 °C

8–10 °C: 1 records
10–12 °C: 6 records
12–14 °C: 2 records
14–16 °C: 4 records
16–18 °C: 44 records
18–20 °C: 0 records
20–22 °C: 1 records

Photos

(c) Stephen Thorpe, some rights reserved (CC BY), uploaded by Stephen Thorpe · CC BY · iNaturalist
(c) Javier, some rights reserved (CC BY), uploaded by Javier · CC BY · iNaturalist
(c) Stephen Thorpe, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Javier, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Saryu Mae 前朝琉, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Javier, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

Other scientific names: Calyptraea (Crepidula) monoxyla, Calyptraea monoxyla, Crepidula contorta, Crepidula monoxyla

Similar species

Maoricrypta costata
Slipper Limpet
Maoricrypta immersa
Maoricrypta sodalis
Spiny Slipper Shell
Bostrycapulus aculeatus
Onyx slippersnail
Crepidula onyx
Bostrycapulus gravispinosus

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).
183 open-data records from 1904 to 2013.
Species data updated November 4, 2026.