Acanthochitina |
Acanthochitina merga
sp. nov. |
Oklahoma |
Late Ordovician |
|
Acanthochitina |
Acanthochitina rashidi
sp. nov. |
Oklahoma |
Late Ordovician |
|
Clathrochitina |
Clathrochitina oblonga
|
Algeria |
Late Arenigian |
|
Clathrochitina |
Clathrochitina oblonga
|
Oklahoma |
Late Ordovician |
|
Clathrochitina |
Clathrochitina sylvanica
sp. nov. |
Oklahoma |
Late Ordovician |
|
Conochitina |
Conochitina cactacea
|
Oklahoma |
Late Ordovician |
|
Conochitina |
Conochitina elegans
|
Oklahoma |
Late Ordovician |
|
Cyathochitina |
Cyathochitina agrestis
sp. nov. |
Oklahoma |
Late Ordovician |
|
Cyathochitina |
Cyathochitina ontariensis
|
Oklahoma |
Late Ordovician |
|
Cyathochitina |
Cyathochitina ontariensis
|
Canada(Ontario) |
Late Ordovician |
|
Desmochitina |
Desmochitina minor
|
Oklahoma |
Late Ordovician |
|
Desmochitina |
Desmochitina scabiosa
|
Oklahoma |
Late Ordovician |
|
Kalochitina |
Kalochitina multispinata
|
Oklahoma |
Late Ordovician |
|
Rhabdochitina |
Rhabdochitina sp
|
Oklahoma |
Late Ordovician |
|
Sagenachitina |
Sagenachitina
|
Oklahoma |
Late Ordovician |
|
Sphaerochitina |
Sphaerochitina lepta
sp. nov. |
Oklahoma |
Late Ordovician |
|
Sphaerochitina |
Sphaerochitina oblonga
|
Oklahoma |
Late Ordovician |
|