| Stethacanthidae Temporal range: Devonian to Carboniferous |
|
|---|---|
| Stethacanthus. | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | Symmoriida |
| Family: | Stethacanthidae |
| Genera | |
This extinct family of sharks existed in the Carboniferous period. These sharks resembled falcatids except that a spine-brush complex emerged from the dorsum. This family contained two genera, Stethacanthus and Akmonistion.
http://comenius.susqu.edu/biol/202/Animals/DEUTEROSTOMES/CRANIATA/CHONDRICHTHYES.htm