Adam's Late / Upper Silurian
- ambleside
- athyrid
- atrypid
- austria
- aymestrey
- aymestry limestone
- bannisdale slates
- beyrichia limestones
- beyrichienkalk
- bringewood beds
- brownsport formation
- builth wells
- chonetid
- cumbra
- dalmanites
- dalmanites myops
- decatur county
- eggenfeld
- erfoud
- gloucestershire
- gorstian
- hertfordhire
- kirkidium
- kirkidium knighti
- late silurian
- leurocycloceras
- leurocycloceras imbricatum
- longhope
- ludlow
- may hill
- merista
- merista tennesseensis
- microsphaeridiorhynchus
- microsphaeridiorhynchus nucula
- monograptus
- monograptus colonus
- monograptus tumescens
- orzechow
- pentamerid
- perryville
- poland
- powys
- pridoli
- protochonetes
- protochonetes ludloviensis
- protochonetes striatellus
- rhynchonellid
- scyphocrinites
- scyphocrinites elegans
- scyphocrinus
- septatrypa
- septatrypa subsecreta
- skell gill
- spirifer
- spirifer (delthyris) elevatus
- tennessee
- upper silurian
- wales
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