Birch Marble vs Holt's Scalewort

Apotomis betuletana compared with Radula holtii

Key Differences

Birch Marble is Least Concern while Holt's Scalewort is Near Threatened.

Taxonomic Classification

Rank	Birch Marble	Holt's Scalewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Marchantiophyta (liverwort)
Class	Insecta (Insects)	Jungermanniopsida (Jungermanniopsida)
Order	Lepidoptera (Butterflies & Moths)	Porellales (Porellales)
Family	Tortricidae	Radulaceae
Genus	Apotomis	Radula
Species	Apotomis betuletana	Radula holtii

Conservation Status

Birch Marble

LC — Least Concern

Holt's Scalewort

NT — Near Threatened

Physical Characteristics

Attribute	Birch Marble	Holt's Scalewort
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.

Holt's Scalewort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Portugal. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.