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Age range: base of the Westphalian A to the top of the Wuchiapingian or 318.10000 to 254.17000 Ma

Collections (16 total)

Time interval Ma Country or state Original ID and collection number
Namurian - Westphalian A326.4 - 314.6Spain (Leon) P. sp. (37358)
Westphalian A318.1 - 314.6Belgium P. sp. (37495)
Westphalian A318.1 - 314.6United Kingdom (England) P. renaultii (37376)
Desmoinesian313.8 - 305.9USA (Indiana) P. spp. (11041 11042 11043 11051 11053 11054 11104 11105 11107 11108)
Asselian - Sakmarian298.9 - 290.1China (Hebei) P. sp. (21185)
Asselian - Sakmarian298.9 - 290.1USA (Texas) P. sp. (11165)
Capitanian - Wuchiapingian265.1 - 254.17Malaysia P. sp. 1 (30289)