Barrow Group

Age range: base of the Early/Lower Pliensbachian to the top of the Bartonian or 189.60000 to 38.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Early/Lower Pliensbachian189.6 - 183.0United Kingdom (England) (139701 176440)
Early/Lower Berriasian145.0 - 140.2United Kingdom (England) (104006 104007 118914 123428)
Early/Lower Berriasian - Middle Berriasian145.0 - 140.2United Kingdom (England) (28401 28995 55495 55496 55497 90711 90713)
Middle Berriasian145.0 - 140.2United Kingdom (England) (28994 45330 52254 52299 52312 55499 55534 72142 90712 94224 94225 123452 118383 118951 118953 122769 123573 138440 153648 160652 176070)
Berriasian145.0 - 139.8Australia (Western Australia) (110534)
Late/Upper Hauterivian - Late/Upper Barremian136.4 - 125.45Australia (Western Australia) (169140)
Hauterivian - Barremian132.9 - 125.0Australia (Western Australia) (55309)
Bartonian41.3 - 38.0United Kingdom (England) (39014)