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Rare Devonian Lungfish (Dipterus) - Scotland
This is a rare, complete example of a Devonian lungfish (Dipterus valenciennesi) from Caithness, Scotland. It's exceptionally preserved, 7 1/4 inches long and presented on a large slab of matrix. No repair or restoration on the piece.
Specimens like this simply don't come up for sale very often. This specimen was acquired by a high-end collector back in the late 80's who is now narrowing the focus of his collections. Watch for more rare, one-of-a-kind fossil offerings from this collection in the next several days.
Dipterus (meaning 'two wings') is an extinct genus of lungfish from the late Devonian period of Australia and Europe. Lungfish arose during the early Devonian, reaching a peak in diversity by the Late Devonian.
In many respects, Dipterus, which averaged 14 inches in length, closely resembles the modern lungfish. However, unlike its contemporary relatives - where the dorsal, caudal, and anal fin are fused into one -with Dipterus the fins were still separated. These ancient fish It mostly ate invertebrates, which were crushed by tooth-like plates on its palate instead of real teeth.The shine found on this specimen is comprised of cosmine- a layer of bony tissue of an external enameloid layer fused over a dentine layer. By the Late Devonian the cosmine layer was lost in Lungfish as thinner scales evolved.
Specimens like this simply don't come up for sale very often. This specimen was acquired by a high-end collector back in the late 80's who is now narrowing the focus of his collections. Watch for more rare, one-of-a-kind fossil offerings from this collection in the next several days.
Dipterus (meaning 'two wings') is an extinct genus of lungfish from the late Devonian period of Australia and Europe. Lungfish arose during the early Devonian, reaching a peak in diversity by the Late Devonian.
In many respects, Dipterus, which averaged 14 inches in length, closely resembles the modern lungfish. However, unlike its contemporary relatives - where the dorsal, caudal, and anal fin are fused into one -with Dipterus the fins were still separated. These ancient fish It mostly ate invertebrates, which were crushed by tooth-like plates on its palate instead of real teeth.The shine found on this specimen is comprised of cosmine- a layer of bony tissue of an external enameloid layer fused over a dentine layer. By the Late Devonian the cosmine layer was lost in Lungfish as thinner scales evolved.
SPECIES
Dipterus valenciennesi
LOCATION
Achanarras Quarry, Caithness, Scotland
FORMATION
Orcadian Slate
SIZE
7.25” long, matrix 21” (diagonal) x 11”
CATEGORY
SUB CATEGORY
ITEM
#5967
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