Arctic-alpine Pea Clam vs common greasewort

Euglesa conventus compared with Aneura pinguis

Taxonomic Classification

Rank	Arctic-alpine Pea Clam	common greasewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Marchantiophyta (liverwort)
Class	Bivalvia (Bivalvia)	Jungermanniopsida (Jungermanniopsida)
Order	Sphaeriida (Sphaeriida)	Metzgeriales (Metzgeriales)
Family	Sphaeriidae	Aneuraceae
Genus	Euglesa	Aneura
Species	Euglesa conventus	Aneura pinguis

Conservation Status

Arctic-alpine Pea Clam

LC — Least Concern

common greasewort

LC — Least Concern

Physical Characteristics

Attribute	Arctic-alpine Pea Clam	common greasewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic-alpine Pea Clam

Habitat

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

Range

Distributed across Norway and United States.

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).

Arctic-alpine Pea Clam

The Arctic-alpine Pea Clam (Euglesa conventus) is a species in the genus Euglesa. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

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.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇺🇸 United States