Birch Marble vs Smith's Thorius

Apotomis betuletana compared with Thorius smithi

Key Differences

• Birch Marble is Least Concern while Smith's Thorius is Critically Endangered.

Taxonomic Classification

Rank	Birch Marble	Smith's Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Amphibia (Amphibians)
Order	Lepidoptera (Butterflies & Moths)	Caudata (Caudata)
Family	Tortricidae	Plethodontidae
Genus	Apotomis	Thorius
Species	Apotomis betuletana	Thorius smithi

Evolutionary Relationship

Birch Marble and Smith's Thorius share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Birch Marble

LC — Least Concern

Smith's Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Birch Marble	Smith's Thorius
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.

Smith's Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico. 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.