Author:
Arthurton,R.S.;Wadge,A.J.
Year:
1981
Title:
Ordovician and Silurian. (In: Geology of the Country around Penrith.)
Reference:
Arthurton,R.S. et al. (1981) Ordovician and Silurian. (In: Geology of the Country around Penrith.) Memoir of the Geological Survey of Great Britain P. 4- 21
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Genus Species Country(Region) From To
Archaeohystrichosphaeridium Archaeohystrichosphaeridium patentissimum England(Cumberland) Late Arenigian Early Llanvirnian
Archaeohystrichosphaeridium Archaeohystrichosphaeridium pellicidum England(Cumberland) Late Arenigian Early Llanvirnian
Archaeohystrichosphaeridium Archaeohystrichosphaeridium pentagonum England(Cumberland) Late Arenigian
Archaeohystrichosphaeridium Archaeohystrichosphaeridium pungens England(Cumberland) Late Arenigian
Archaeohystrichosphaeridium Archaeohystrichosphaeridium septangulum England(Cumberland) Late Arenigian
Archaeohystrichosphaeridium Archaeohystrichosphaeridium tener England(Cumberland) Early Llanvirnian
Archaeohystrichosphaeridium Archaeohystrichosphaeridium waltzii England(Cumberland) Late Arenigian
Archaeohystrichosphaeridium Archaeohystrichosphaeridium zalesskyi England(Cumberland) Late Arenigian
Baltisphaeridium Baltisphaeridium apiculatum England(Cumberland) Early Llanvirnian
Baltisphaeridium Baltisphaeridium breviciliatum England(Cumberland) Late Arenigian
Baltisphaeridium Baltisphaeridium breviciliatum England(Cumberland) Late Arenigian
Baltisphaeridium Baltisphaeridium breviciliatum England(Cumberland) Early Llanvirnian
Baltisphaeridium Baltisphaeridium brevispinosum England(Cumberland) Early Llanvirnian
Baltisphaeridium Baltisphaeridium cristatum England(Cumberland) Late Arenigian Early Llanvirnian
Baltisphaeridium Baltisphaeridium cristatum England(Cumberland) Late Arenigian
Baltisphaeridium Baltisphaeridium eisenackianum England(Cumberland) Late Arenigian Early Llanvirnian
Baltisphaeridium Baltisphaeridium eisenackianum England(Cumberland) Early Llanvirnian