File:SWScotlandGraptolitesExamples2.jpg
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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 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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:50, 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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