Captain Cook's Bean Snail vs common greasewort

Partula faba compared with Aneura pinguis

Key Differences

• Captain Cook's Bean Snail is Extinct in the Wild while common greasewort is Least Concern.

Taxonomic Classification

Rank	Captain Cook's Bean Snail	common greasewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Marchantiophyta (liverwort)
Class	Gastropoda (Gastropoda)	Jungermanniopsida (Jungermanniopsida)
Order	Stylommatophora (Stylommatophora)	Metzgeriales (Metzgeriales)
Family	Partulidae	Aneuraceae
Genus	Partula	Aneura
Species	Partula faba	Aneura pinguis

Conservation Status

Captain Cook's Bean Snail

EW — Extinct in the Wild

common greasewort

LC — Least Concern

Physical Characteristics

Attribute	Captain Cook's Bean Snail	common greasewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Captain Cook's Bean Snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

common greasewort

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (United States), and South America (Brazil, Colombia).

Captain Cook's Bean Snail

The Captain Cook's Bean Snail (Partula faba) is a species in the genus Partula. It is currently classified as Extinct in the Wild (EW) on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

common greasewort

<em>Aneura pinguis</em>, commonly known as common greasewort, is a liverwort belonging to the genus Aneura within the family Aneuraceae. This cryptogamic plant inhabits ecosystems across Asia, Europe, and North America, thriving in moist or waterlogged environments. Its range encompasses Taiwan in Asia, six European countries, the United States in North America, and Brazil and Colombia in South America, indicating a broad geographic distribution across multiple continents. Common greasewort is assessed as Least Concern on the IUCN Red List. The species typically forms flat, ribbon-like thalli in damp habitats such as stream banks, wet rocks, and boggy ground. Biological traits of this species remain poorly documented in the scientific literature.