| Asteracanthus sp.: Upper Jurassic, Purpeck Beds, Purpeck, Dorset, England |
| 20110821 |
Lonchidion
ver. 1.0
| Order Hybodontiformes ZANGERL, 1981 |
| Family Lonchidiidae HERMAN, 1977 |
| Genus Lonchidion ESTES, 1964 |
| Lonchidion selachos ESTES, 1964: Maarstrichtian/Danian, Dinasaur Beds, Hell Creek Formation. Harding Co. S.D. |
| 20110901 |
Back & Forth
Fumio Nakagawa