Thursday, May 9, 2013

The London Trackway - Track #59

Track number 59

Track 59 of the London series produced a messy cast, to say the least. The sloppy appearance of the cast is due to the mossy organic substrate from which it was cast. There are areas where the creature’s foot penetrated deeply into the mud underneath the mossy layer, though. and some details can be observed from this area.

Only three toes are clearly shown in this cast, as is often the case in the London series. This tridactyl grabbing motion observed in so many casts from this data set often produces a raised furrow of mud behind the toes, and this cast is an excellent example of this. The furrow was raised 1.2 cm above the rest of the substrate.
To see more information and photographs of this cast, click here.

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