Exquisitely-Preserved Fossil Fish from Triassic Madagascar

Name: Chondrostei; Peleidiformes, Perleidus madagascariensis

Geologic Time: Lower Triassic (~240 m.y.a.)

Size (25.4 mm = 1 inch): 50 mm long Matrix: 51 mm by 28 mm

Fossil Site: Karroo Formation, Anaborana, Madagascar

Code: AAF370

Price: $175.00


Perleidus madagascariensis triassic fossil fishDescription: A fine example of a positive negative nodule from the early Triassic of Madagascar containing most of a very detailed fish known as Perleidus madagascariensis. This one is thought to have lain in wait, then shot forward to catch its prey. It has a free maxilla, something that in later fish could swing forward as the fish opened its mouth, forming a “slurp gun” Specimens such as this are rarely offered, and few are so complete. Notice the teeth, delicate fin rays and regular pattern of the scales. This one is missing only the distal portion of the caudal peduncle and caudal fin, a fine example of a genus that went extinct during the late Triassic. Interestingly, although most fossil nodules display a part/counterpart specimen, these show the preservation of the impression of opposite sides of the specimen.

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