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Trilobites are those extinct arthropods, perhaps best known to the general public next to
the dinosaurs (which of course are vertebrates). If we lived in a time anywhere between
the Cambrian to Permian age we would have seen these three-lobed critters living in the
oceans. They possessed a head (cephalon), usually a thorax and a tail (pygidium). They are
popular amongst fossil collectors due to their varied forms and life-like appearance.
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Order #: TR51Name: Trimerus delphinocephalus Locality: Niagara Escarpment, Ontario, Canada Age/Formation: Silurian, Rochester Formation Dimensions: see scale in inches Comments: here is a large pygidium of this species in contrast to the juvenile pygidium offered above. The shell has dark black preservation; the sharp terminal tip is missing. Price: this specimen, $10.00 |
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Order #: TR5 Name: Ellipsocephalus hoffi Locality: Jince-Barrandien, Czech Republic Age/Formation: Middle Cambrian, Jince Slate Formation Dimensions: positive specimen 23 mm long Comments: multiple piece; one nice positive specimen with associated negatives. Price: this specimen, $50.00. Click image for enlargement |
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Order #: TR30 Name: Proetus granulosus Locality: Atlas Mountains, Morocco Age/Formation: Devonian Period Dimensions: two specimens 1.2 cm long on 6 cm x 6 cm matrix. Comments: a nice couple of proetid trilobites; each has some flaws, but there has been no reconstruction. Price: this specimen, $65.00 Click image for enlargement |
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