Ctenacanthus
ver. 1.1
Back & Forth
Order |
Ctenacanthiformes ZANGERL, 1981 |
Family | Ctenacanthidae DEAN, 1909 |
Genus | Ctenacanthus AGASSIZ, 1835 |
Ctenacanthus artiensis KOZLOV, 2000: Lower Permian, Arty Formation, Krasnoufimsk, Middle Ural, Russia |
8 mm W |
Ctenacanthus obruchevi: Lower Permian, Arty Formation, Krasnoufimsk, Middle Ural, Russia |
5 mm W, 5.1 mm W |
20020916 |
Ctenacanthus amblyxiphias (COPE, 1891)/ Symmorium reniforme ST. JOHN et WORTHEN, 1875: Upper Mississippian, Indian Springs Formation, Crawford County, Indiana |
10 mm W |
20120618 |
Phoebodus
ver. 1.0
Order Ctenacanthiformes ZANGERL, 1981 |
Family Phoebodontidae WILLIAMS, 1979 |
Genus Phoebodus ST. JOHN et WORTHEN, 1875 |
Phoebodus sp.: Middle Mississippian, Harrodsburg Limestone Fm., Washington County, Indiana |
4.5 mm W, 15 mm H |
20120618 |
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