New Silurian Graptolites from the Howgill Fells (Northern England)

Recent work on the graptolite faunas of the Silurian strata of north-west Yorkshire and Westmorland has unearthed, from the Wenlock and Ludlow Series, species previously recorded from the Continent, and in addition several new species and subspecies. The following new forms are described: Monoclimacis griestonensis nicoli subsp. nov., M. shottoni sp. nov., M. flumendosae kingi subsp. nov., Pristiograptus watneyae sp. nov., P. welchae sp. nov., P. dubius pseudolatus subsp. nov., P. auctus sp. nov., Monograptus firmus sedberghensis subsp. nov., M. radotinensis inclinatus subsp. nov., M. minimus cautleyensis subsp. nov., M. danbyi sp. nov., M, simulatus sp. nov.