| Upper Jurassic, Purpeck Beds, Purpeck, Dorset, England |
| Fin spine |
Asteracanthus
ver. 1.1
| Family Acrodontidae CASIER, 1959 |
| Acrodus AGASSIZ, 1837 |
| Bdellodus QUENSTEDT, 1882 |
| Asteracanthus AGASSIZ, 1837 |
| Upper Jurassic, Purpeck Beds, Purpeck, Dorset, England |
| Fin spine |
| Dermal denticle |
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J-elasmo