Megasiphon

Megasiphon thylakos
Temporal range: Middle Cambrian (Guzhangian),
Type specimen of M. thylakos
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Tunicata
Genus: Megasiphon
Nanglu et al., 2023
Species:
M. thylakos
Binomial name
Megasiphon thylakos
Nanglu et al., 2023

Megasiphon thylakos is an extinct species of tunicate that lived in the Guzhangian stage of the Middle Cambrian, 500 million years ago.