06983 - Top Beautiful 2.41 Inch Pecopteris sp Carboniferous Fossil Fern Parabarrandia This trilobite with his forked

This trilobite with his forked trident has been prepared as free-standing along with 82 spines

or brittle fracturing or shrinkage of the concretion interior by either earthquakes or compaction (Pratt 2001

601714#preview

Glikman 1958 (mackerel shark)

06983 - Top Beautiful 2.41 Inch Pecopteris sp Carboniferous Fossil Fern Parabarrandia This trilobite with his forkedPecopteris 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