Author:
Wetherall,P.M.;Dorning,K.J.;Wellman,C.H.
Year:
1999
Title:
Palynology, biostratigraphy, and depositional environments around the Ludlow-Pridoli boundary at Woodbury Quarry, Herefordshire, England.
Reference:
Wetherall,P.M. et al. (1999) Palynology, biostratigraphy, and depositional environments around the Ludlow-Pridoli boundary at Woodbury Quarry, Herefordshire, England. Bollettino della SocietĀ  Paleontologica Italiana Vol. 38 # 3 P. 397- 404
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Genus Species Country(Region) From To
Veryhachium Veryhachium leintwardinense England(Herefordshire) Early Pridolian Late Ludlovian
Veryhachium Veryhachium rhomboidium England(Herefordshire) Late Ludlovian
Veryhachium Veryhachium trispinosum England(Herefordshire) Early Pridolian Late Ludlovian
Veryhachium Veryhachium wenlockium England(Herefordshire) Late Ludlovian
Visbysphaera Visbysphaera microspinosa England(Herefordshire) Late Ludlovian
Visbysphaera Visbysphaera sp England(Herefordshire) Late Ludlovian
Visbysphaera Visbysphaera whitcliffensis England(Herefordshire) Early Pridolian Late Ludlovian
Visbysphaera Visbysphaera whitcliffensis England(Herefordshire) Late Ludlovian