south side, Smoky Hill River, west of Russell Springs (Cretaceous to of the United States)

Also known as Pteranodon velox holotype

Where: Logan County, Kansas (38.9° N, 101.2° W: paleocoordinates 44.4° N, 70.4° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Smoky Hill Chalk Member (Niobrara Formation), Late/Upper Santonian to Late/Upper Santonian (85.8 - 70.6 Ma)

• Specimen probably collected between Marker Units 17 and 20 (Bennett 1994); upper part of member

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; gray shale

• "gray shale"

Size class: macrofossils

Collected by Marsh in 26, 27, 1871; reposited in the YPM

Primary reference: O. C. Marsh. 1872. Discovery of additional remains of Pterosauria, with descriptions of two new species. American Journal of Science, Series 3 3:241-248 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93220: authorized by Richard Butler, entered by Richard Butler on 08.01.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ichthyodectiformes - Ichthyodectidae
Xiphactinus sp. Leidy 1870
 Pterosauria -
Pterodactylus ingens Marsh 1872 pterosaur
YPM 1169 (syntype), partial wing phalanges and distal metacarpal III. YPM 1171 (syntype), distal metacarpal IV, proximal coracoid
Pterodactylus velox n. sp. Marsh 1872 pterosaur
YPM 1176, distal end of metacarpal IV and proximal end of wing phalanx 1