Monaco, P., Giannetti, A., Caracuel, J. E. & Yebenes, A. 2005. Lower Cretaceous (Albian) shell-armoured and associated echinoid trace fossils from the Sacaras Formation, Serra Gelada area, southeast Spain. Lethaia 28, 333-344.

176008

10.1080/00241160500355277 [view]

Monaco, P.; Giannetti, A.; Caracuel, J.; Y?benes, A.

2005

38(4), 333-344

Publication

The Sacaras Formation (Albian, Lower Cretaceous) of the Serra Gelada succession (Prebetic of Alicante), southeast Spain, comprises carbonate-rich, upwards thickening parasequences in which many types of trace fossils have been identified. The present study focuses on two types of tubular trace fossil characterized by features of their external coating. The first type is represented by a shell-covered, structured trace fossil, up to 4 cm in diameter and 40 cm in length, built horizontally, from rectilinear (type 1) to gently curved (type 2), which envelopes an unstructured pipe of grey silty sediment. The coating is characterized by imbricated, flat particles, mainly orbitolinid foraminifers and other planar bioclasts, forming thin concentric layers; in cross section the bioclasts produce a typical plumed structure. This trace fossil represents a new ichnogenus and ichnospecies, here named Ereipichnus geladensis. Particle arrangement of the external coating is similar to that of terebel

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