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Geobulletin
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News from the Geoblogosphere
by Stratigraphy.net
New from Snet:
Lithologs
, a new tool to create lithological/sedimentological logs online..
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PREHISTORIC BOWFIN
Calamopleurus cylindricus (Agassiz, 1841) / Collection of David Murphy This well-preserved fossil fish skull is from
Calamopleurus
(Agassiz, 1841), an extinct genus of bony fishes related to the gars. They are fossil relics, the sole surviving species of the order Amiiformes. Although bowfins are highly evolved, they are often referred to as primitive fishes and living fossils as they retain many of the morphologic characteristics of their ancestors.
This specimen is from
Calamopleurus cylindricus
of the Family Amiidae. He was found in Lower Cretaceous outcrops of the Santana Formation in the Araripe Basin UNESCO Global Geopark of northeastern Brazil.
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