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Temporal range: Late Devonian
A female Materpiscis giving live birth
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Placodermi
Order: Ptyctodontida
Family: Ptyctodontidae
Genus: Materpiscis
Binomial name
M. attenboroughi
Long et al., 2008

Materpiscis (from the Latin meaning "mother fish") is a genus of pyctodontid placoderm from the Late Devonian period about 380 million years ago. A fossil found of this armored placoderm shows an embryo and umbilical cord inside a mother fish's body.