Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy External Literature Search Age range and collections



No taxonomic data are available

Synonymy list
No taxonomic opinions are available

Please join the Paleobiology Database and enter some data

No classification data are available

No diagnoses are available
No measurements are available
No ecological data are available

Age range: base of the Homerian to the top of the Givetian or 430.50000 to 382.70000 Ma

Collections (34 total)

Time interval Ma Country or state Original ID and collection number
Silurian443.4 - 419.2Czech Republic (Bohemia) C. sp. (20759)
Homerian430.5 - 427.4Ireland C. sp., C. pertoni, C. hemisphaerica, C. cambrensis (10594)
Gorstian427.4 - 425.6United Kingdom (Wales) C. pertoni, C. sp., C. cambrensis (10661)
Gorstian - Pridoli427.4 - 419.2Bolivia (Tarija dept.) C. caledonica, C. sp., C. hemisphaerica, C. pertoni (11158)
Gorstian - Pridoli427.4 - 419.2Bolivia (Tarija Dept.) C. hemisphaerica, C. pertoni (11172)
Ludfordian - Pridoli425.6 - 419.2Ukraine C. pertonii (14147)
Ludfordian - Pridoli425.6 - 419.2United Kingdom (Wales) C. sp. (10635)
Ludfordian - Silurian425.6 - 419.2United Kingdom (Wales) C. caledonica, C. hemisphaerica, C. downtonensis (10634)
Pridoli423.0 - 419.2USA (New York) C. hemisphaerica (53827) C. sp. (20664 26087)
Pridoli423.0 - 419.2United Kingdom (Wales) C. hemisphaerica, C. cambrensis, C. caledonica, C. pertoni, C. sp. (10666)
Pridoli423.0 - 419.2Czech Republic C. hemisphaerica, C. sp. (14045) C. sp. (14043 14131 52698)
Pridoli423.0 - 419.2Ukraine (Podolia) C. hemisphaerica, C. pertoni, C. sp. 1, C. sp. 2 (52702)
Pridoli423.0 - 419.2Poland (Lysogory Region) C. sp. (52667)
Pridoli423.0 - 419.2Libya (Hammedah Basin) C. sp. (53669)
Pridoli423.0 - 419.2Canada (Ontario) C. sp. (53825)
Pridoli423.0 - 419.2United Kingdom (England) C. pertoni (10593 10706) C. sp. (11128)
Lochkovian419.2 - 410.8United Kingdom (Wales) C. hemisphaerica (10997)
Lochkovian419.2 - 410.8United Kingdom (England) C. hemisphaerica, C. pertoni, C. cambrensis, C. caledonica (10679) C. pertoni, C. hemisphaerica, C. cambrensis (11112)
Lochkovian419.2 - 410.8Czech Republic C. downtonensis, C. sp. (13895)
Lochkovian419.2 - 410.8Czech Republic (Bohemia) C. sp. (27182)
Lochkovian419.2 - 410.8Brazil (Jackson de Figueiredo) C. paranensis (14099)
Lochkovian419.2 - 410.8United Kingdom (Scotland) C. caledonica (26756)
Lochkovian419.2 - 410.8Brazil (Jackson De Figueiredo) C. cambrensis (14100)
Early/Lower Devonian419.2 - 393.3Brazil (Parana) C. acuminata (11214)
Pragian410.8 - 407.6Canada (Nunavut) C. sp. (11141)
Givetian387.7 - 382.7USA (Arizona) C. hemisphaerica (22756)