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Examples of some of the Llandovery (lower Silurian) graptolites found in south-west Scotland.

a Monograptus sedgwickii (Porrlock) —sedgwickii Biozone.
b Pristiogmptus regularis (Tornquist) —chiefly sedgwickii Biozone.
c Diversograptus' runcinatus (Lapworth) —lower turriculatus Biozone.
d Monograptus turriculatus (Barrande) — turriculatus Biozone to lower crispus Biozone.
e Monograptus discus (Tornquist) — crispus to crenulata biozones.
f Monograptus crispus Lapworth — crispus Biozone.
g Streptograptus exiguus (Nicholson) —uppermost turriculatus Biozone to griestoniensis Biozone.
h Monograptus convolutes (Hisinger) —convolutus Biozone.
i Dimorphograptus swanstoni Lapworth — acinaces Biozone.
j Coronograptus gregarius (Lapworth) —typhus to convolutus biozones.
k Monograptus limatztlusTOrnquist —chiefly convolutus Biozone.
l Monograptus triangulatus fimbriatus (Nicholson) — magnus Biozone.
m Cephalograptus cometa (Geinitz) — upper convolutus Biozone.
n Monograptus priodon (Bronn) — griestoniensis Biozone? to lower Wenlock.
o Parakidograprus acuminates (Nicholson)acunzinatus Biozone.
p Climacograptus trifilis Manck — acuminatus Biozone.
q Rhaphidograptus toernquisti (Tornquist) top atavus to basal sedgwickii biozones.
r Atavograptus atavus (Jones) cheifly atavus to cyphus biozones.
s Rastrites longispinus Perner — triangulatus ro convolutus biozones.
t Monograptus triangulatus triangulatus (Harkness) — triangulatus Biozone.

Figure 60 from: Stone, P (editor). 1996. Geology in south-west Scotland: an excursion guide. Keyworth, Nottingham: British Geological Survey.

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current	13:50, 4 April 2015		1,356 × 2,169 (358 KB)	Scotfot (talk \| contribs)	Examples of some of the Llandovery (lower Silurian) graptolites found in south-west Scotland, all about twice natural size. * a ''Monograptus sedgwickii ''(Porrlock) ''—''''sedgwickii ''Biozone. * b ''Pristiogmptus regularis ''(Tornquist) —chiefly...

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	Examples of some of the Llandovery (lower Silurian) graptolites found in south-west Scotland~~, all about twice natural size~~.		Examples of some of the Llandovery (lower Silurian) graptolites found in south-west Scotland.

	* a ''Monograptus sedgwickii ''(Porrlock) ''—sedgwickii ''Biozone.		* a ''Monograptus sedgwickii ''(Porrlock) ''—sedgwickii ''Biozone.