Kauaʻi Conservation Atlas

Kauaʻi record · KCA-OI-00067

Carelia necra

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Carelia necra — Atlas scientific reconstruction based on the reviewed morphology reference; not a specimen photograph or population claim.
Carelia necra — Atlas scientific reconstruction based on the reviewed morphology reference; not a specimen photograph or population claim. · Kauaʻi Conservation Atlas · Kauaʻi Conservation Atlas community media · Image source

About Carelia necra

A Kauaʻi land snail known from fossil-shell material at Hanamāʻulu flats. Cooke’s fully adult specimen survives as a body-whorl fragment, so a complete shell requires a qualified composite reconstruction. Bishop Museum’s dated 1997 list includes it as extinct, with last-seen date unknown.

Occurrence evidence

Bishop Museum checklist entries explicitly report Kauai.

Names and classification

Scientific name
Carelia necra
Family
Achatinellidae
Order
Stylommatophora

Kauaʻi occurrence and status

Kauaʻi occurrence
extinct
Origin
Endemic
Conservation status
Listed extinct (Bishop Museum, 1997; last seen unknown)
Evidence date
2026-10-01
Evidence limits
No complete typical adult; up to 65 mm and 9½–10 whorls are historical estimates. Collection year, fossil age, original adult color and last living date unresolved. No living soft-part evidence reviewed.

Habitat and ecology

Habitats
Land

Process and seasonal context

Seasonal description
A Kauaʻi land snail known from fossil-shell material at Hanamāʻulu flats. Cooke’s fully adult specimen survives as a body-whorl fragment, so a complete shell requires a qualified composite reconstruction. Bishop Museum’s dated 1997 list includes it as extinct, with last-seen date unknown.

Sources and further reading

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