or brittle fracturing or shrinkage of the concretion interior by either earthquakes or compaction (Pratt 2001
This trilobite with his forked trident has been prepared as free-standing along with 82 spines
Still nowadays the Dromaeosauridae family has not been officially described in the dinosaur assemblage of the Upper Cretaceous of this sector
A new species of Pluridens (Mosasauridae: Halisaurinae) from the upper Campanian of Southern Nigeria
MOSASAURIDAE Gervais
06983 - Top Beautiful 2.41 Inch Pecopteris sp Carboniferous Fossil Fern Parabarrandia or brittle fracturing or shrinkagePecopteris sp, Brongniart 1822 PaleoDB taxon number: 157283 Parent taxon: Plantae according to W. D. Tidwell et al. 1992 Sister taxa: Aculeisporites, Alethopteridae, Archelytron, Archelytron priscus, Asterotheca, Biliphyta, Blatta hyperborea, Bullasporis, Calamitaceae, Camerosporites, Carpolithes, Chrysomelites lindhageni, Chrysomelites thulensis, Confertisulcites, Cordaitales, Ctenostematopteryx minor, Curculionites costulatus, Curculionites
