About: Eonessa

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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.

Attributes	Values
rdf:type	Thing Eukaryote Animal yago:WikicatBirdGenera animal eukaryote species yago:Abstraction100002137 yago:Attribute100024264 yago:BiologicalGroup107941170 yago:BirdGenus101507175 yago:Extinction114012173 yago:Genus108108972 yago:Group100031264 yago:Inaction114010148 bird yago:State100024720 yago:TaxonomicGroup107992450 yago:WikicatEoceneExtinctions
rdfs:label	Eonessa (en) Eonessa anaticula (uk)
rdfs:comment	Eonessa anaticula — вимерлий вид птахів, що існував в еоцені та має спірне систематичне положення. (uk) 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. (en)
foaf:name	Eonessa (en)
name	Eonessa (en)
dcterms:subject	Paleogene birds of North America Taxa named by Alexander Wetmore Fossil taxa described in 1938 Bird enigmatic taxa Prehistoric bird genera
Wikipage page ID	25947311 (xsd:integer)
Wikipage revision ID	1064677628 (xsd:integer)
Link from a Wikipage to another Wikipage	Paleogene birds of North America Princeton University Uinta Formation Bird Taxa named by Alexander Wetmore Incertae sedis Anatidae Eocene Animal Aves Fossil taxa described in 1938 Duchesne County, Utah Bird enigmatic taxa Joint Alan Feduccia Alexander Wetmore Extinct Fossil Journal of Paleontology Gruiformes Humerus Prehistoric bird genera Chordate Holotype Polymorphism (biology) Metacarpal Order (biology) Ruddy duck Middle Eocene Storrs Olson dbr:Myton_Member dbr:Myton_Pocket
sameAs	Eonessa Eonessa Eonessa Eonessa Eonessa
dbp:wikiPageUsesTemplate	dbt:Italic_title dbt:Reflist dbt:Short_description dbt:Taxobox dbt:Taxonbar dbt:Fossilrange dbt:Odontoanserae
binomial	Eonessa anaticula (en)
binomial authority	Wetmore, 1938 (en)
classis	Bird
familia	Incertae sedis
fossil range	Middle Eocene (en)
genus	†Eonessa (en)
genus authority	Wetmore, 1938 (en)
ordo	Gruiformes
phylum	Chordate
regnum	Animalia (en)
species	E. anaticula (en)
has 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 , Duchesne County, Utah, USA. The quarry is on the 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. (en) Eonessa anaticula — вимерлий вид птахів, що існував в еоцені та має спірне систематичне положення. (uk)
prov:wasDerivedFrom	wikipedia-en:Eonessa?oldid=1064677628&ns=0
page length (characters) of wiki page	3739 (xsd:nonNegativeInteger)
binomial authority	Alexander Wetmore
class	Bird
family	Incertae sedis
genus	Extinct
kingdom	Animal
order (taxonomy)	Gruiformes
phylum	Chordate
foaf:isPrimaryTopicOf	wikipedia-en:Eonessa
is Link from a Wikipage to another Wikipage of	Eonessa anaticula

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