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The discovery of Rayososaurus
Echinoidea - Euechinoidea - Pseudodiadematidae
some of the free standing sectors during the preparation process have been fractured and glued again
but its neural spine and transverse processes are restored
It comes from a new and unique location in Western Sahara
08325 - Nicely Preserved Spiny 1.28 Inch Leonaspis sp Middle Devonian Bavarilla The discovery of RayososaurusSpectacularly well detailed specimen. It has been carefully prepared during a long laboratory process. Leonaspis is a widespread genus of odontopleurid trilobite that lived from the Late Ordovician to the late Middle Devonian. Fossils of various species have been found on all continents except Antarctica. Leonaspis, Richter and Richter 1917 (trilobite) Trilobita Lichida Odontopleuridae Synonym: Acanthalomina (taxon 122150) Parent taxon: