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Crocodylus heterodon

Osteichthyes

Taxonomy
Alligator heterodon was named by Cope (1873). Its type specimen is U.S. Nat Mus. No. 4115 and is a 3D body fossil.

It was recombined as Crocodilus heterodon by Cope (1875); it was recombined as Crocodylus heterodon by Hay (1902); it was recombined as Allognathosuchus heterodon by Mook (1921), Case (1925), Hay (1930), Simpson (1930).

Sister species lacking formal opinion data
C. biporcatus, C. bugtiensis, C. gaudensis, C. nilocticus

Synonymy list
YearName and author
1872Alligator heterodon Cope
1873Alligator heterodon Cope
1875Crocodilus heterodon Cope p. 34
1902Crocodylus heterodon Hay p. 512
1921Allognathosuchus heterodon Mook p. 109
1925Allognathosuchus heterodon Case p. 96
1930Allognathosuchus heterodon Hay p. 155
1930Allognathosuchus heterodon Simpson p. 3

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
RankNameAuthor
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
—Pseudosuchia(Zittel 1890)
—SuchiaKrebs 1974
—Paracrocodylomorpha
—Loricata(Merrem 1820)
—Crocodylomorpha()
—Solidocrania
suborderCrocodyliformes
—MesoeucrocodyliaWhetstone and Whybrow 1983
—NeosuchiaClark 1988
suborderEusuchiaHuxley 1875
—Crocodylia(Owen 1842)
—LongirostresCuvier
—Crocodyloidea(Deraniyagala 1939)
—Crocodylidae(Cuvier 1807)
—Crocodylinae(Cuvier 1807)
genusCrocodylusLaurenti 1768
speciesheterodon(Cope 1873)

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.

†Crocodylus heterodon Cope 1873
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Diagnosis
ReferenceDiagnosis
C. C. Mook 1921Skull and jaws very broad in proportion to their length. External narial aperture very broad. Seven or eight small teeth between two large teeth in anterior and middle parts of jaw. Posterior three teeth on either side in both upper and lower jaws flat and blunt, with the crowns lower than they are broad or long; in unworn teeth fine striations radiate outward from the center of the crown.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marineuc
Locomotion: actively mobilec
Life habit: planktonicp
Diet: carnivoreuc
Created: 2009-01-03 20:38:59
Modified: 2009-01-03 22:38:59
Source: c = class, subp = subphylum, p = phylum, uc = unranked clade
References: Bush and Bambach 2015, Hendy et al. 2009, Carroll 1988, Bambach et al. 2007, Benton 1983, Kiessling 2004
Collections
No collection or age range data are available