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Scorpion leg segment (PIN no. 5072/1). 2. Leg segment showing scale at 1 mm, dorsal view. 3. Details of basal joint, ventral view. 4. Close-up of denticles, dorsal view. Leg segment orientation is based on a scorpion positioned vertically with prosoma facing upwards and metasoma facing downwards.  

Scorpion leg segment (PIN no. 5072/1). 2. Leg segment showing scale at 1 mm, dorsal view. 3. Details of basal joint, ventral view. 4. Close-up of denticles, dorsal view. Leg segment orientation is based on a scorpion positioned vertically with prosoma facing upwards and metasoma facing downwards.  

Source publication
Figure 1: Geographic position of the locality (triangle) yielding the...
Figure 5: Litter in which scorpions presumably lived.  
Figures 2-4: Scorpion leg segment (PIN no. 5072/1). 2. Leg segment...
A scorpion from a peatbog: the first arthropod fossil from the Late Viséan of the Moscow Coal Basin
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Full-text available
  • Jan 2004
This note describes a fossil fragment from the Upper Viséan (ca. 330 Ma), of the Moscow Coal Basin (Novgorod Region, Russia). The fossil is identified as the cuticle of a single leg segment (left femur) of a scorpion (Arachnida: Scorpiones), without any further taxonomic placement. The anatomical details of the fragment are given, along with ecolog...
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Contexts in source publication

Context 1
... or serrated carina, with the denticles angling towards the femur-patella joint. In the fossil we see an exaggerated row of sharp denticles/spinules angling to- wards the presumed femur-patella joint. Finally, based on these observations and deduced perspectives, we also conclude that the segment is from a left leg and the views shown in Figs. 2 and 4 are ...
Context 2
... A prominent, sawlike single row of 14 denticles (Figs. 2 and 4) on the internal aspect al- lows the assumption that these are true extensions of the cuticle (i.e. modified "spinules") rather than modified socketed setae. ...

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Citations

... The only record of a fossil scorpion from Russia (Fet et al., 2004) was based on a single femur fragment found in the Lower Carboniferous of the Moscow Coal Basin. Kjellesvig-Waering (1986: 81) tentatively placed one Jurassic fossil from Ust'-Balei in Siberia in an extinct scorpion genus Mesophonus as "M. ...
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