Green Sea Turtle vs semi-ribbed spire snail

Chelonia mydas compared with Onoba semicostata

Key Differences

• Green Sea Turtle is Endangered while semi-ribbed spire snail is Least Concern.

Taxonomic Classification

Rank	Green Sea Turtle	semi-ribbed spire snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Reptilia (Reptiles)	Gastropoda (Gastropoda)
Order	Testudines (Turtles & Tortoises)	Littorinimorpha (Littorinimorpha)
Family	Cheloniidae (Sea Turtles)	Rissoidae
Genus	Chelonia (Green Sea Turtles)	Onoba
Species	Chelonia mydas	Onoba semicostata

Evolutionary Relationship

Green Sea Turtle and semi-ribbed spire snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

semi-ribbed spire snail

LC — Least Concern

Physical Characteristics

Attribute	Green Sea Turtle	semi-ribbed spire snail
Diet	Herbivore	—
Average Lifespan	80 years	—
Average Length	1.2 m	—
Average Weight	200.0 kg	—

Habitat & Geographic Range

Green Sea Turtle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, Brazil, Costa Rica, Indonesia, and Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

semi-ribbed spire snail

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Taiwan.

Green Sea Turtle

The green sea turtle is one of the largest sea turtles. They are named for the green color of their cartilage and fat, not their shells.