PORTAL:PALEONTOLOGY DYK 55

... that fossils of 23 mammal species including mammoth, dire wolf, giant ground sloth, pre-historic bison, camel, and horse have been found at Fossil Lake in south central Oregon?
... that findings of Cylindroteuthis and other belemnites in Greenland suggest that an early form of the Gulf Stream existed as early as the Valanginian ( Early Cretaceous)?
... that the type specimen of Kinkonychelys represents the first turtle skull described from the pre- Holocene era in Madagascar?
...that Castorocauda lutrasimilis, a recently described mammal relative that looked like an otter with a beaver's tail, evolved a semi- aquatic lifestyle 110 million years earlier than any other mammal-like animal?
... that the extinct earwig Tytthodiplatys is the oldest confirmed member of its family?

... that a fossilized dragon has been found in Poland?
... that T. Rex and the Crater of Doom details the development of the hypothesis that dinosaurs were wiped out by a meteor impact?
... that the shell of the extinct sea urchin Pelanechinus corallina was composed of separate groups of fused plates which resulted in its being flexible?
... that fossils of the extinct sumac Rhus malloryi (pictured) were first published in 1935?
... that although Atopodentatus had a fearsome set of teeth, it was a filter feeder and not a predator?

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