Gordon Member, Group

Age range: base of the Middle Cambrian to the top of the Frasnian or 509.00000 to 372.20000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Delamaran511.2 - 506.5USA (Montana) (225273)
Middle Cambrian509.0 - 497.0USA (Montana) (155654 155655)
Castlemainian470.0 - 470.3Australia (Tasmania) (166976)
Darriwilian467.3 - 458.4Australia (Tasmania) (173680 189077 189091)
Llandeilo461.1 - 458.4Australia (Tasmania) (173681 173682 173683)
Gisbornian458.4 - 452.7Australia (Tasmania) (79237)
Caradoc - Ashgill458.4 - 443.7Australia (Tasmania) (24252 24253)
Blackriveran457.3 - 449.6Australia (Tasmania) (189080 189081 189092)
Trentonian457.3 - 449.6Australia (Tasmania) (189082 189094 189095)
Katian453.0 - 445.2Australia (Tasmania) (167136 167180 167182 225609)
Eastonian452.7 - 449.5Australia (Tasmania) (64589 79236 79238 79239 79240 79319 147706 147707 147708 154049 154050 154051 154160 189079)
Eastonian - Onnian452.7 - 449.5Australia (Tasmania) (2686)
Eastonian - Bolindian452.7 - 443.7Australia (Tasmania) (64591 64592 189083)
Bolindian449.5 - 443.7Australia (Tasmania) (229054 229055 229056)
Rhuddanian443.4 - 440.8Australia (Tasmania) (229053)
Frasnian382.7 - 372.2Spain (162206)