30345 - Top Rare 0.46 Inch Otarion diffractum Silurian Trilobite - Czech Republic Mosasaurus baugei † Olcostephanus sp

† Olcostephanus sp

Thanks to being polished

It has been removed and prepared from a nodule-concretion

Beautiful example of a cut and polished 7

This type of fossils are extremely rare

30345 - Top Rare 0.46 Inch Otarion diffractum Silurian Trilobite - Czech Republic Mosasaurus baugei † Olcostephanus spOtarion diffractum, Zenker 1833 (trilobite) Trilobita Aulacopleuridae PaleoDB taxon number: 346965 Belongs to Otarion according to A. T. Thomas and R. M. Owens 1978 Sister taxa: Otarion (Otarion), Otarion (Tricornotarion), Otarion beggi, Otarion filmeri, Otarion isoplates, Otarion listron, Otarion spinicaudatum, Otarion stigmatophthalmus, Otarionella taganon Ecology: fast moving low level epifaunal deposit feeder Environments: marine (5 collections),