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- Eonessa abstract "Eonessa is an enigmatic genus of bird possibly belonging to bird order Gruiformes and which consists of the single species Eonessa anaticula.It was first described by Alexander Wetmore in the Journal of Paleontology in May 1938. In his paper, Wetmore erected the Anatidae subfamily Eonessinae, and placed Eonessa as the oldest Anatidae genus in the fossil record. This placement was possibly due to a resemblance to the modern Ruddy Duck (Oxyura jamaicensis), although Wetmore did not explain his taxonomic placement in the describing paper.Restudy of the holotype specimen in 1978 by Storrs Olson and Alan Feduccia resulted in the removal of Eonessa from Anatidae. Olson and Feduccia placed the genus as Aves incertae sedis noting it was possibly a member of the polymorphic order Gruiformes. The holotype was collected on August 26, 1936 from the Myton Pocket, Duchesne County, Utah, USA. The quarry is on the Myton Member of the Uinta Formation and dates to the Middle Eocene, around 46-42 million years ago.Now in the Princeton University paleontology collections as specimen number 14399, the holotype and only known specimen is a 13 cm (5 in) long partial wing, consisting of metacarpals down to the partial humerus. Though found articulated, the bones were badly crushed during fossilization. The bones, after further matrix removal in the 1970s, are very slender and with little diagnostic detail and little to no similarity to modern Anatidae members. The general proportions are closer to Gruiformes birds that have been found in the same rock formations, however the lack of detail does not allow firm placement into the order.".
- Eonessa binomialAuthority Alexander_Wetmore.
- Eonessa class Bird.
- Eonessa family Incertae_sedis.
- Eonessa genus Extinction.
- Eonessa kingdom Animal.
- Eonessa order Gruiformes.
- Eonessa phylum Chordate.
- Eonessa wikiPageID "25947311".
- Eonessa wikiPageRevisionID "592343950".
- Eonessa binomial "Eonessa anaticula".
- Eonessa binomialAuthority "Wetmore, 1938".
- Eonessa classis Bird.
- Eonessa familia Incertae_sedis.
- Eonessa fossilRange "Middle Eocene".
- Eonessa genus "†Eonessa".
- Eonessa genusAuthority "Wetmore, 1938".
- Eonessa hasPhotoCollection Eonessa.
- Eonessa name "Eonessa".
- Eonessa ordo Gruiformes.
- Eonessa phylum Chordate.
- Eonessa regnum "Animalia".
- Eonessa species "E. anaticula".
- Eonessa subject Category:Bird_genera.
- Eonessa subject Category:Eocene_extinctions.
- Eonessa subject Category:Fossil_taxa_described_in_1938.
- Eonessa subject Category:Prehistoric_birds_of_North_America.
- Eonessa type Abstraction100002137.
- Eonessa type Attribute100024264.
- Eonessa type Category105838765.
- Eonessa type Cognition100023271.
- Eonessa type Concept105835747.
- Eonessa type Content105809192.
- Eonessa type EoceneExtinctions.
- Eonessa type Extinction114012173.
- Eonessa type GeneraOfBirds.
- Eonessa type Genus105845013.
- Eonessa type Idea105833840.
- Eonessa type Inaction114010148.
- Eonessa type Kind105839024.
- Eonessa type PsychologicalFeature100023100.
- Eonessa type State100024720.
- Eonessa type Animal.
- Eonessa type Bird.
- Eonessa type Eukaryote.
- Eonessa type Species.
- Eonessa type Organism.
- Eonessa comment "Eonessa is an enigmatic genus of bird possibly belonging to bird order Gruiformes and which consists of the single species Eonessa anaticula.It was first described by Alexander Wetmore in the Journal of Paleontology in May 1938. In his paper, Wetmore erected the Anatidae subfamily Eonessinae, and placed Eonessa as the oldest Anatidae genus in the fossil record.".
- Eonessa label "Eonessa".
- Eonessa sameAs m.0b6k641.
- Eonessa sameAs Q5381825.
- Eonessa sameAs Q5381825.
- Eonessa sameAs Eonessa.
- Eonessa wasDerivedFrom Eonessa?oldid=592343950.
- Eonessa isPrimaryTopicOf Eonessa.
- Eonessa name "Eonessa".