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The first pterosaur pelvic material from the Dinosaur Park Formation (Campanian) and implications for azhdarchid locomotion

The first pterosaur pelvic material from the Dinosaur Park Formation (Campanian) and implications for azhdarchid locomotion
The first pterosaur pelvic material from the Dinosaur Park Formation (Campanian) and implications for azhdarchid locomotion
A partial pterosaur pelvis from the Campanian Dinosaur Park Formation of Canada adds to our knowledge of Late Cretaceous pterosaurs. The pelvis is tentatively referred to Azhdarchidae and represents the first pelvic material from a North American azhdarchid. The morphology of the ilium is bizarre compared with other pterosaurs: it is highly pneumatized, the preacetabular process tapers anteriorly, and muscle scars show that it would have anchored strong adductor musculature for the hindlimb. The acetabulum is deep and faces ventrolaterally, allowing the limb to be positioned underneath the body. These features support previous suggestions that azhdarchids were well adapted to terrestrial locomotion.
559-574
Funston, Gregory F.
3fe760c9-fb1e-4dfc-9358-5ffe306157b8
Martin-Silverstone, Elizabeth
4f87b172-3ce1-42d5-ad23-68a48169f2a3
Currie, Philip J.
38fccd85-0a07-4fcc-8799-fb11ad0ad52e
Funston, Gregory F.
3fe760c9-fb1e-4dfc-9358-5ffe306157b8
Martin-Silverstone, Elizabeth
4f87b172-3ce1-42d5-ad23-68a48169f2a3
Currie, Philip J.
38fccd85-0a07-4fcc-8799-fb11ad0ad52e

Funston, Gregory F., Martin-Silverstone, Elizabeth and Currie, Philip J. (2017) The first pterosaur pelvic material from the Dinosaur Park Formation (Campanian) and implications for azhdarchid locomotion. IUMRS Facets, 2 (1), 559-574. (doi:10.1139/facets-2016-0067).

Record type: Article

Abstract

A partial pterosaur pelvis from the Campanian Dinosaur Park Formation of Canada adds to our knowledge of Late Cretaceous pterosaurs. The pelvis is tentatively referred to Azhdarchidae and represents the first pelvic material from a North American azhdarchid. The morphology of the ilium is bizarre compared with other pterosaurs: it is highly pneumatized, the preacetabular process tapers anteriorly, and muscle scars show that it would have anchored strong adductor musculature for the hindlimb. The acetabulum is deep and faces ventrolaterally, allowing the limb to be positioned underneath the body. These features support previous suggestions that azhdarchids were well adapted to terrestrial locomotion.

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Accepted/In Press date: 19 May 2017
Published date: 11 July 2017

Identifiers

Local EPrints ID: 414252
URI: http://eprints.soton.ac.uk/id/eprint/414252
PURE UUID: 33fcb2cd-ad51-4023-99be-948c5b2ec77d

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Date deposited: 21 Sep 2017 16:31
Last modified: 11 Dec 2021 21:20

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Contributors

Author: Gregory F. Funston
Author: Elizabeth Martin-Silverstone
Author: Philip J. Currie

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