| 词条 | Tytthostonyx |
| 释义 |
| name = Tytthostonyx | fossil_range = Late Cretaceous, {{fossilrange|66}} | regnum = Animalia | phylum = Chordata | classis = Aves | subclassis = Neornithes | ordo = ?Procellariiformes | genus = Tytthostonyx | genus_authority = Olson & Parris, 1987 | subdivision_ranks = Species | subdivision =
}}Tytthostonyx is a genus of prehistoric seabird. Found in the much-debated Hornerstown Formation which straddles the Cretaceous–Paleogene boundary 66 million years ago, this animal was apparently closely related to the ancestor of some modern birds, such as Procellariiformes and/or "Pelecaniformes". A single species is placed herein, Tytthostonyx glauconiticus.[1] It has been placed into a family of its own, Tytthostonygidae.[1] References1. ^1 Olsen, S. and Parris, D.C. (1987). "The Cretaceous Birds of New Jersey." Smithsonian Contributions to Paleontology, 63: 22pp. {{Portal|Paleontology}}{{Taxonbar|from=Q16888298}}{{paleo-bird-stub}} 5 : Procellariiformes|Bird genera|Late Cretaceous birds of North America|Extinct birds of North America|Fossil taxa described in 1987 |
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