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EOSIPTERUS
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Genus: Eosipterus Ji Q. & Ji S., 1997
Etymology: "dawn (east) wing"
Type species: E. yangi
Other Species: none
Diagnosis: See type species.
Classification: Ctenochasmatidae incertae sedis
Holotype: GMV 2117 — An incomplete skeleton lacking head and cervical vertebrae. (Ji Q. & Ji S., 1997)
Referred Specimens: none
Time: Valanginian-Barremian, Early Cretaceous
Horizon: Lower Yixian Formation
Location: Jinggangshan, Beipiao City, Chaoyang, Liaoning Province, China
Skull length: ?
Total length: ?
Wingspan: ~120 cm
Mass: ?
Diagnosis: A moderate sized pterosaur with a wing span of approximately 1.2 m, short tail, and slender and weak gastralia; forelimb is relatively robust, and the radius and ulna are 1.3 times as long as of the wing metacarpal; articular surfaces on all wing finger phalanges are distinctly expanded, femur is relatively straight and two-thirds as long as the tibia, lengths of the ulna, tibia, and first phalanx of the wing finger are equivalent. Metatarsals I-IV are slender and elongated. Digit V is reduced but not completely lost. (Ji Q. & Ji S., 1997)
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