Herrin Fossil Fauna

Shark Egg Cases and Coprolites

Palaeoxyris prendelli

                                                            Palaeoxyris prendelli, containing shark embryo. - A.Young
                                                         Palaeoxyris prendelli shark egg case in a concretion. - A.Young
                                                     Palaeoxyris prendeli shark egg case. - C.Puritz (photo by C.Puritz)

Horseshoe Crabs

Euproops danae

                                         Euproops danae horseshoe crab in a concretion. - C.Puritz (photos by C.Puritz)
                                             Euproops danae in concretion showing prosoma (head shield). - C.Puritz
                        Euproops danae in concretion showing opithosoma (abdomen): positive and negative halves. - C.Puritz

Coprolites

                                                                            Coprolite in a concretion. - K.Mitsui
                                                               Coprolite in a concretion. - C.Berg (photo by C.Berg)