Temporal range: Late Devonian
|A female Materpiscis giving live birth|
| 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.