Diplocraterion

Diplocraterion ↑

Diplocraterion

Sample of Silurian Tuscarora Formation collected from Bald Eagle Mountain, Centre County, Pennsylvania, showing Diplocraterion at left. Specimen is ~22cm high.

Diplocraterion is an ichnogenus describing vertical U-shaped burrows having a spreite (weblike construction) between the two limbs of the U.^[1] The spreite of fainter U-shaped traces appears above and below the final tunnel, made as the organism moved up and down through the sediment.^[2]

References

1. ^ Fursich, F.T. (1974). "On Diplocraterion Torell 1870 and the significance of morphological features in vertical, spreiten-bearing, U-shaped trace fossils". Journal of Paleontology 48 (5): 952–962. JSTOR 1303293. 
2. ^ Cornish, F.G. (1986). "The Trace-Fossil Diplocraterion: Evidence of Animal-Sediment Interactions in Cambrian Tidal Deposits". PALAIOS 1 (5): 478–491. doi:10.2307/3514630. JSTOR 3514630. 

Further reading

• Šimo V. & Olšavský M. (2007). Diplocraterion parallelum Torell, 1870, and other trace fossils from the Lower Triassic succession of the Drienok Nappe in the Western Carpathians, Slovakia". Bulletin of Geosciences 82(2): 165-173. doi:10.3140/bull.geosci.2007.02.165.

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