Taxonomic reassessment of Hydralmosaurus as Styxosaurus: new insights on the elasmosaurid neck evolution throughout the Cretaceous
Two extremely-long necked elasmosaurids, AMNH 1495, holotype of Hydralmosaurus serpentinus, and AMNH 5835, previously referred to H. serpentinus, are here reviewed in detail. Unique features of the cervical vertebrae, which are only present on elasmosaurids from the Western Interior Seaway, are reco...
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| Format: | Article |
| Language: | English |
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PeerJ Inc.
2016-03-01
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| Series: | PeerJ |
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| Online Access: | https://peerj.com/articles/1777.pdf |