Subfamily

Athyridinae Davidson, 1881

Images
TUG 1597-29
Athyris spiriferoides | Athyris spiriferoides (Eaton, 1938)
USA Devonian | Givetian
TUG 1597-30
Athyris spiriferoides | Athyris spiriferoides (Eaton, 1938)
USA Devonian | Givetian
TUG 1597-31
Athyris spiriferoides | Athyris spiriferoides (Eaton, 1938)
USA Devonian | Givetian
TUG 439-220
Athyris concentrica | Athyris concentrica (von Buch, 1834)
Devonian | Hamilton group
TUG 440-441
Athyris concentrica | Athyris concentrica (von Buch, 1834)
Devonian | Devonischen Kalk.
TUG 441-677
Athyris concentrica | Athyris concentrica (von Buch, 1834)
Devonian | Devonische Schichten
TUG 713-58
Athyris spiriferoides | Athyris spiriferoides (Eaton, 1938)
Middle Devonian | Hamilton
TUG 713-59
Athyris spiriferoides | Athyris spiriferoides (Eaton, 1938)
Middle Devonian | Hamilton
TUG 713-60
Athyris | Athyris sp.
Middle Devonian | Hamilton
TUG 713-61
Athyris | Athyris sp.
Middle Devonian | Hamilton