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Hesperornis mengeli

Reptilia - Hesperornithiformes

Taxonomy
Hesperornis mengeli was named by Martin and Lim (2002). Its type specimen is CFDC B.78.01.08, a set of limb elements (right tarsometatarsus), and it is a 3D body fossil. Its type locality is Morden, CFDC site 8, which is in a Campanian marine shale/ash in the Pierre Shale Formation of Canada.

Synonymy list
YearName and author
2002Hesperornis mengeli Martin and Lim p. 171
2016Hesperornis mengeli Bell and Chiappe

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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()
—Theropoda()
—Neotheropoda
—AverostraPaul 2002
—Tetanurae
—Coelurosauria()
—Maniraptora
—Paraves
classAves
—PygostyliaChiappe 2002
—Ornithothoraces
—OrnithuromorphaChiappe et al. 1999
subclassOrnithurae
orderHesperornithiformesFürbringer 1888
—Hesperornithidae()
genusHesperornis
speciesmengeli

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.

†Hesperornis mengeli Martin and Lim 2002
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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: aquaticg
Diet: piscivoreg
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2009-01-04 11:39:19
Modified: 2009-01-05 19:23:39
Source: g = genus, o = order
References: Marsh 1875, Bush and Bambach 2015, Padian 1985

Age range: Early/Lower Campanian or 83.50000 to 70.60000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Campanian83.5 - 70.6Canada (Manitoba) Hesperornis mengeli (type locality: 193923)