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| Parent: | Palaeopheinae [Taxonomy; edit]
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| Rank: | genus (displays as Genus)
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| Link: | †Pterosphenus
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| Extinct: | yes
|
| Always displayed: | yes (major rank) |
| Taxonomic references: | Case, Dennis; Parmley, Gerard (23 September 1988), "New records of Eocene sea snakes (Pterosphenus) from Louisiana", Journal of Vertebrate Paleontology, 8: 334–339, JSTOR 4523211 |
| Parent's taxonomic references: | – |