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Eubrontes fieldi

Reptilia - Grallatoridae

Taxonomy
Hyphepus fieldi was named by Hitchcock (1858). It is considered to be a form taxon. Its type specimen is AC 1/3, a footprint, and it is a trace fossil. Its type locality is Lily Pond Quarry, Gill, which is in a Hettangian fluvial-lacustrine siltstone/sandstone in the Turners Falls Formation of Massachusetts.

It was recombined as Eubrontes fieldi by Rainforth (2007).

Synonymy list
YearName and author
1858Hyphepus fieldi Hitchcock pp. 97, 180
1871Hyphepus fieldi Hitchcock p. xxi
1889Hyphepus fieldi Hitchcock p. 118
1894Hyphepus fieldi Lyman p. 206
1898Hyphepus fieldi Hitchcock p. 401
1902Hyphepus fieldi Hay p. 546
1904Hyphepus fieldi Lull pp. 493-494
1915Hyphepus fieldi Lull p. 193
1917Hyphepus fieldi Lull p. 115
1930Hyphepus fieldi Hay p. 15
1953Hyphepus fieldi Lull p. 187
1963Hyphepus fieldi Kuhn p. 85
1971Hyphepus fieldi Haubold p. 77
1974Hyphepus fieldi Haubold p. 131
2007Eubrontes fieldi Rainforth p. 50
2021Hyphepus fieldi Leonardi and Carvalho p. 119

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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
RankNameAuthor
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Theropoda()
familyGrallatoridae
genusEubrontes
speciesfieldi(Hitchcock 1858)

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.

†Eubrontes fieldi Hitchcock 1858
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Diagnosis
ReferenceDiagnosis
R. S. Lull 1915Pes: Length of digit I, 36 mm.; II, 77 mm.; III, 78 mm.; IV, 83 mm.; entire foot, 128 mm. Distance between lateral toes, 71 mm. Divarication of digits I and II, 118°; II and III, 23°; III and IV, 28°; II and IV, 50°.
Length of step, 153 mm. Width of trackway, 135 mm.
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: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: carnivoreo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2004-12-14 12:50:08
Modified: 2004-12-14 14:50:08
Source: o = order
Reference: Marsh 1875

Age range: Hettangian or 201.30000 to 199.30000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Hettangian201.3 - 199.3USA (Massachusetts) Hyphepus fieldi (type locality: 52986)
Hettangian - Sinemurian201.3 - 190.8USA (Massachusetts) Hyphepus fieldi (52987 52998)