PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Dendrochen

Osteichthyes - Anseriformes - Anatidae

Taxonomy

Dendrochen was named by Miller (1944).

It was assigned to Dendrocygninae by Miller (1944), Wetmore (1956), Brodkorb (1964), Cheneval (1984); to Dendrocygnini by Mlíkovsky and Svec (1986); to Dendrocheninae by Livezey and Martin (1988); and to Oxyurinae by Worthy and Lee (2008), Zelenkov (2012).

Species

D. oligocaena, D. robusta

Synonymy list

Year	Name and author
1944	Dendrochen Miller
1956	Dendrochen Wetmore p. 29
1964	Dendrochen Brodkorb p. 214
1984	Dendrochen Cheneval p. 96
1986	Dendrochen Mlíkovsky and Svec p. 261
1988	Dendrochen Livezey and Martin p. 207
2008	Dendrochen Worthy and Lee p. 703
2012	Dendrochen Zelenkov p. 526

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
class	Osteichthyes
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()
—	Romeriida
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)
—	Crocopoda
—	Archosauriformes	Gauthier 1986

Rank	Name	Author
—	Eucrocopoda
—	Archosauria	()
informal	Avemetatarsalia
—	Ornithodira
—	Dinosauromorpha
—	Dinosauriformes
—	Dinosauria	()
—	Saurischia	()
—	Theropoda	()
—	Neotheropoda
—	Averostra	Paul 2002
—	Tetanurae
—	Coelurosauria	()
—	Maniraptora
—	Paraves
class	Aves
subclass	Neornithes	Gadow 1893
—	Neognathae	(Pycraft 1900)
—	Pangalloanserae	Gauthier and de Queiroz 2001
—	Galloanserae	Sibley and Ahlquist 1990
superorder	Galloanserimorphae
order	Anseriformes	Wagler 1831
family	Anatidae	Vigors 1825
subfamily	Oxyurinae
genus	Dendrochen

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Dendrochen Miller 1944

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†Dendrochen oligocaena Tugarinov 1940

†Dendrochen robusta Miller 1944 [duck]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

hydroxyapatiteo

Entire body:

yeso

Adult length:

10 to < 100o

Adult width:

1.0 to < 10o

Adult height:

1.0 to < 10o

Architecture:

compact or denseo

Ontogeny:

accretion, modification of partso

Grouping:

solitaryo

Environment:

terrestrialo

Locomotion:

actively mobileo

Life habit:

volanto

Diet:

herbivoreo

Reproduction:

oviparouso

Dispersal:

direct/internalo

Dispersal 2:

mobileo

Created:

2009-01-03 19:27:52

Modified:

2009-01-03 21:27:52

Source: o = order

References: Sedinger 1997, Marsh 1875, Kiessling 2004

Age range: base of the Late/Upper Oligocene to the top of the Hemingfordian or 27.30000 to 16.30000 Ma

Collections (3 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Oligocene	27.3 - 23.04	Kazakhstan	Anas oligocaena (74900)
Aquitanian	23.04 - 20.45	France (Auvergne)	D. sp. (125333)
Hemingfordian	18.5 - 16.3	USA (South Dakota)	D. robusta (17912)