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Geology / Gallery![]() Ozarkodina typica (8)This fossil is a member of one of the most important but least understood groups of animals -
the Conodonts Living from 515 through to 210 million years ago this long extinct group have left only their teeth behind in the fossil record. The teeth are actual minute - only about a millimetre in size and are only clearly seen when the bulk of the rock has been carefully dissolved leaving the calcium phosphate/apatite material behind. There are indications that the animals were worm like creatures with prominent eyes but this is still a matter of debate. They are considered by many palaentologists as an early form of vertebrate. Important stratigraphically because they evolved rapidly and lived in a wide ranges of different environment types. Ozarkodina typica lived in the middle Silurian and can be found in Salop. Fossil gallery
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