Pteranodon sternbergi
Locality: Kansas
Formation: Niobrara
Male Wingspan: 7.3 m (24 feet)
Female Wingspan: 3.3 m (11 feet)
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The notably prominent, more vertically oriented crest of males of this species would have assisted in balancing their enormous skulls as well as steering their airplane-sized bodies through the air. Pteranodon sternbergi appears slightly earlier in the fossil record than Pteranodon longiceps though both filled important niches in the ecology of the Western Interior Seaway.