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Cygnus sumnerensis

Reptilia - Anseriformes - Anatidae

Taxonomy
Chenopis sumnerensis was named by Forbes (1889).

It was synonymized subjectively with Cygnus atratus by Worthy (1998); it was recombined as Cygnus sumnerensis by Brodkorb (1964) and Rawlence et al. (2017).

Subspecies
C. chathamensis

Synonymy list
YearName and author
1889Chenopis sumnerensis Forbes p. 188
1933Chenopis sumnerensis Lambrecht p. 389
1964Cygnus sumnerensis Brodkorb p. 210
2017Cygnus sumnerensis Rawlence et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
RankNameAuthor
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Theropoda()
—Neotheropoda
—AverostraPaul 2002
—Tetanurae
—Coelurosauria()
—Maniraptora
—Paraves
classAves
subclassNeornithesGadow 1893
—Neognathae(Pycraft 1900)
—PangalloanseraeGauthier and de Queiroz 2001
—GalloanseraeSibley and Ahlquist 1990
superorderGalloanserimorphae
orderAnseriformesWagler 1831
familyAnatidaeVigors 1825
subfamilyAnserinaeVigors 1825
subfamilyCygninae
genusCygnusGarsault 1764
speciessumnerensis(Forbes 1889)

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.

†Cygnus sumnerensis Forbes 1889
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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: freshwatersubf
Locomotion: actively mobileo
Life habit: volantsubf
Diet: folivoresubf
Diet 2: granivoresubf
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2009-01-03 19:20:59
Modified: 2009-01-03 21:26:40
Source: subf = subfamily, o = order
References: Marsh 1875, Sedinger 1997

Age range: base of the Late/Upper Pleistocene to the top of the Holocene or 0.12900 to 0.00000 Ma

Collections (10 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Pleistocene0.129 - 0.0117New Zealand (North Otago) Cygnus atratus (87789)
Holocene0.0117 - 0.0New Zealand Cygnus atratus (100554 194618 194619) Cygnus sumnerensis (198108 198194 198206 198207 198212)
Holocene0.0117 - 0.0New Zealand (South Island) Cygnus sumnerensis (215392)