SUPERB Mazon Creek Nymph Insect Fossil

Class Insecta indet

Geological Time: Carboniferous, Westphalian Stage

Size (25.4 mm = 1 inch): Insect fossil is 17 mm on a 45 mm by 38 mm and 25 mm by 25 mm nodule pair

Fossil Site: Mazon Creek, Francis Creek Shale, Braidwood, Illinois

Code: UKF97

Price: Sold

Mazon Creek Insect FossilDescription: The Mazon Creek deposits of the region near Braidwood, Illinois rival the other famous Lagerstatten of the Burgess Shale, Solnhofen, and Liaoning for the variety of detailed life preserved. Many exquisitely-preserved specimens are found in the ironstone nodules that make up the deposits. This fine example is one of a nymph of indeterminate affiliations. Note the fine details preserved here; the thorax and abdomen are often obscured by the wings, but are clearly evident in this exceptional specimen. I have a feeling it may be related to either Herdina or Larrya, but have been unable to locate a suitable example with which to compare it. Whatever its exact affinities, it is a most superb example of the Mazon Creek Fauna.

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