Kauaʻi Conservation Atlas

Kauaʻi record · KCA-OI-00063

Carelia knudseni

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Carelia knudseni — Atlas scientific reconstruction based on the reviewed morphology reference; not a specimen photograph or population claim.
Carelia knudseni — 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 knudseni

An endemic Kauaʻi land snail known in Cooke’s account from a single dead, heavily worn shell. Plate XV figure 4 documents its tall form; the exact island locality and fresh color pattern are unresolved. Bishop Museum’s dated 1997 list includes it as extinct.

Occurrence evidence

Bishop Museum checklist explicitly reports Kauai.

Names and classification

Scientific name
Carelia knudseni
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
Exact locality, collection year, living habitat, fresh coloration, body appearance and last living occurrence unresolved.

Habitat and ecology

Habitats
Land

Process and seasonal context

Seasonal description
An endemic Kauaʻi land snail known in Cooke’s account from a single dead, heavily worn shell. Plate XV figure 4 documents its tall form; the exact island locality and fresh color pattern are unresolved. Bishop Museum’s dated 1997 list includes it as extinct.

Sources and further reading

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