Search results

| image_caption = A drawing of ''Trinodus tardus'' ...& Corda, 1847 (Agnostida) in the Prague Basin revisited|journal= Bulletin of Geosciences|volume= 86|issue= 4|pages= 707–724|doi= 10.3140/bull.geosci.1

...f Sweden and Bornholm, Denmark|journal= Bulletin of the Geological Society of Denmark|volume= 37|pages= 213–226|url= http://2dgf.dk/xpdf/bull37_03-04-2 ...llel to its border, and a short, convex, subcircular axis. It lived during the Ordovician (upper [[Tremadocian|Tremadoc]] to [[Ashgill]]).<ref name="Treat

...ninae'', cephalon 24mm long, lateral view, found near Alnif, Morocco, from the Ordovician ...ps'' uniquely combines the merged eye with a frontal thorn on the head and the "lower eyelid".

| image_caption = Two cephalons of the trilobite ''Trimerocephalus interruptus'' ...' species (Trilobita, Phacopidae) from the Late Devonian (Early Famennian) of Poland|journal= Zootaxa|volume= 3626|issue= 3|pages= 345–355|url= http://