Enigmatic Silurian Thelodont Fossil Fish from Scotland

Class Agnatha, Order Thelodontiformes indet

Geological Time: Upper Silurian

Size (25.4 mm = 1 inch): Fossil fish is 47 mm in length (straight line measure) on a 52 mm by 40 mm matrix

Fossil Site: Leshmagow, Scotland

Fossil Code: UKF232

Price: Sold

Cf Nettapezoura basilikaThe Thelodontia are a group of fishes most commonly known from their distinctive tooth-like scales. Indeed the term Thelodont derived from Greek, means nipple tooth. TheThelodontiformes teeth have a characteristic crown made of dentine. The scales even on a single specimen are quite variable. Thelodonts are rarely found as complete specimens; those that are show them to be flattened fish, many of which were bottom dwellers. Recent finds of intact specimens from Canada show that they radiated into some deep-bodied forms that swam freely in the water column. These deep-bodied forms may have been more closely allied with jawed fishes than their other relatives. All Thelodonts were extinct by the Upper Devonian. This high-quality specimen that has recently been obtained from a 50 year old collection shows the distinctive scales and fins. It is one of the more deep-bodied forms.

Also see: Paleozoic Fish Fossils

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