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Hesperornis macdonaldi

Reptilia - Hesperornithiformes

Taxonomy
Hesperornis macdonaldi was named by Martin and Lim (2002). Its type specimen is LACM 9728, a limb element (Right femur), and it is a 3D body fossil.

Synonymy list
YearName and author
2002Hesperornis macdonaldi Martin and Lim p. 171

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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
speciesmacdonaldi

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 macdonaldi 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: Padian 1985, Marsh 1875, Bush and Bambach 2015

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

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Campanian83.5 - 70.6Canada (Manitoba) Hesperornis macdonaldi (193920 193925 193930)