Rhabdochitina |
Rhabdochitina magna
|
USSR(Latvian SSR) |
Middle Ordovician |
|
Rhabdochitina |
Rhabdochitina sp
|
USSR(Latvian SSR) |
Middle Ordovician |
Late Ordovician |
Siphonochitina |
Siphonochitina sp
|
USSR(Latvian SSR) |
Middle Ordovician |
|
Spinachitina |
Spinachitina cervicornis
|
USSR(Latvian SSR) |
Middle Ordovician |
|
Spinachitina |
Spinachitina multiradiata
|
USSR(Latvian SSR) |
Middle Ordovician |
|
Spinachitina |
Spinachitina multiradiata
|
USSR(Latvian SSR) |
Middle Ordovician |
|
Spinachitina |
Spinachitina sp
|
USSR(Latvian SSR) |
Middle Ordovician |
|
Spinachitina |
Spinachitina sp
|
USSR(Latvian SSR) |
Middle Ordovician |
|
Tanuchitina |
Tanuchitina bergstroemi
|
USSR(Latvian SSR) |
Middle Ordovician |
|