Birch Marble vs Blunt-leaved Earwort

Apotomis betuletana compared with Diplophyllum obtusifolium

Key Differences

Birch Marble is Least Concern while Blunt-leaved Earwort is Critically Endangered.

Taxonomic Classification

Rank	Birch Marble	Blunt-leaved Earwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Marchantiophyta (liverwort)
Class	Insecta (Insects)	Jungermanniopsida (Jungermanniopsida)
Order	Lepidoptera (Butterflies & Moths)	Jungermanniales (Jungermanniales)
Family	Tortricidae	Scapaniaceae
Genus	Apotomis	Diplophyllum
Species	Apotomis betuletana	Diplophyllum obtusifolium

Conservation Status

Birch Marble

LC — Least Concern

Blunt-leaved Earwort

CR — Critically Endangered

Physical Characteristics

Attribute	Birch Marble	Blunt-leaved Earwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birch Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Blunt-leaved Earwort

Habitat

Inhabits tropical and subtropical moist broadleaf forests and temperate broadleaf and mixed forests spanning the Indomalayan and Palearctic realms.

Range

Found across Asia (Taiwan) and Europe (5 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Birch Marble

The Birch Marble (Apotomis betuletana) is a species in the genus Apotomis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Blunt-leaved Earwort

The Blunt-leaved Earwort (Diplophyllum obtusifolium) is a species in the genus Diplophyllum. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and temperate broadleaf and mixed forests spanning the Indomalayan and Palearctic realms.