Clarkia fossil beds in the context of "Lagerstätte"

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⭐ Core Definition: Clarkia fossil beds

The Clarkia fossil beds (also known locally as the Fossil Bowl) is a Miocene Latah Formation lagerstätte near Clarkia, Idaho.

The fossil beds were laid down in a lake roughly 15-million-years ago, when a drainage basin was dammed by the flood basalts of the Columbia River Plateau. Narrow and deep, the lake's cold, anoxic water and rapid sedimentation created perfect fossil conditions. The basin itself has remained tectonically stable, with little deformation since then. The fossils indicate that the region's climate was much warmer and wetter than today's, and similar to that of southern Florida.

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Clarkia fossil beds in the context of Hucho

Hucho is a genus of large piscivorous salmonid fish known as taimens (from Finnish taimen, 'trout', through Russian: тайме́нь, romanized: taĭménʹ), and is closely related to Pacific trout and lenoks (all belonging to the same tribe in the subfamily Salmoninae). Native to the cold rivers and other freshwater habitats in Eurasia, they are threatened by overfishing and habitat loss.

The earliest fossil remains of this genus are known from the Late Oligocene to middle Miocene of the Vitim Plateau in Russia. Younger remains are also known from the Late Miocene of Ukraine and the Late Pleistocene of Germany. Fossil specimens of a Hucho-like salmonid have been recovered from the Clarkia fossil beds and other localities from the late Neogene of western North America, suggesting they may have potentially inhabited North America too.

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LINKED FROM (PARENTS)
← Hucho ← Taimen
LINKS TO (CHILDREN)
Miocene → Latah Formation → Lagerstätte → Clarkia, Idaho → Idaho → Lake → Drainage basin → Flood basalt → Columbia River Plateau → Florida →