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THELODUS
(fel-o-dus)
Thelodus
Named By: Agassiz in 1839
Time Period: Silurian
Location: Estonia, Norway, Russia, Sweden, Ukraine & United Kingdom
Size: Between 15 and 20 centimetres long
Diet: Carnivore
Fossil(s): Multiple individuals
Classification: | Chordata | Agnatha | Thelodonti | Thelodontidae |
About

Thelodus is an extinct genus of thelodont agnathan that lived during the Silurian period. Fossils have been found worldwide. Unlike many thelodonts, species of Thelodus are known not only from scales, but from impressions in rocks. Some species, such as the Canadian T. inauditus, are thought to be comparable in size to other thelodonts, i.e., from 5 to 15 centimeters in length. The scales of the type species, T. parvidens (syn. T. macintoshi) of Silurian Great Britain, however, reach the size of coins, and, if proportioned like other thelodonts, such as Loganellia, the living animal would have been about one meter in length.

Read more about Thelodus at Wikipedia
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