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Delphinornis larseni

Reptilia - Theropoda

Taxonomy
Delphinornis larsenii was named by Wiman (1905). It is a 3D body fossil. Its type locality is Snow Hill, next to, which is in a Bartonian coastal sandstone in the La Meseta Formation of Antarctica.

It was corrected as Delphinornis larseni by Ameghino (1905), Lambrecht (1933), Myrcha et al. (2002), Tambussi et al. (2006), Jadwiszczak (2006), Jadwiszczak and Mörs (2011) and Jadwiszczak and Mörs (2019).

Synonymy list
YearName and author
1905Delphinornis larseni Ameghino p. 125
1905Delphinornis larsenii Wiman pp. 250-251 figs. Plate XII, Fig. 1
1933Delphinornis larseni Lambrecht p. 230
1946Delphinornis larsenii Simpson p. 36
1953Delphinornis larsenii Marples p. 11
1963Delphinornis larsenii Brodkorb p. 235
1971Delphinornis larsenii Simpson p. 381
2002Delphinornis larseni Myrcha et al. p. 28
2006Delphinornis larseni Jadwiszczak p. 32
2006Delphinornis larseni Tambussi et al. p. 153
2007Delphinornis larsenii Chavez p. 554
2011Delphinornis larseni Jadwiszczak and Mörs p. 271
2019Delphinornis larseni Jadwiszczak and Mörs p. 5

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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
RankNameAuthor
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
orderTheropoda
—Neotheropoda
—AverostraPaul 2002
—Tetanurae
—Coelurosauria()
—Maniraptora
—Paraves
classAves
subclassNeornithesGadow 1893
—Aequornithes
—Feraequornithes
superorderProcellariimorphae
—Sphenisciformes(Sharpe 1891)
genusDelphinornis
specieslarseni()

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.

†Delphinornis larseni Wiman 1905
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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: marineo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: carnivoresubo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2017-04-17 10:40:01
Modified: 2017-04-17 10:40:01
Source: subo = suborder, o = order
References: Marsh 1875, Bush and Bambach 2015, Benton 1983

Age range: base of the Ypresian to the top of the Priabonian or 56.00000 to 33.90000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Ypresian - Lutetian56.0 - 41.3Antarctica (Seymour Island) Delphinornis larseni (63551)
Bartonian41.3 - 38.0Antarctica Delphinornis larsenii (type locality: 77358)
Priabonian38.0 - 33.9Antarctica Delphinornis larseni (100410 100411)