Lamproie de l'est vs Green Sea Turtle

Lethenteron appendix compared with Chelonia mydas

Key Differences

• Lamproie de l'est is Least Concern while Green Sea Turtle is Endangered.

Taxonomic Classification

Rank	Lamproie de l'est	Green Sea Turtle
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Petromyzonti (Petromyzonti)	Reptilia (Reptiles)
Order	Petromyzontiformes (lamprey)	Testudines (tortue)
Family	Petromyzontidae	Cheloniidae (Sea Turtles)
Genus	Lethenteron	Chelonia (Green Sea Turtles)
Species	Lethenteron appendix	Chelonia mydas

Evolutionary Relationship

Lamproie de l'est and Green Sea Turtle share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lamproie de l'est

LC — Least Concern

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Lamproie de l'est	Green Sea Turtle
Diet	—	Herbivore
Average Lifespan	—	80 years
Average Length	—	1.2 m
Average Weight	—	200.0 kg

Habitat & Geographic Range

Lamproie de l'est

Habitat

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

Range

Found in United States.

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.

Lamproie de l'est

The American Brook Lamprey (Lethenteron appendix) is a species in the genus Lethenteron. It is currently classified as Least Concern on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.

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.