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Sillimanius tetradactylus

Reptilia

Taxonomy
Ornithichnites tetradactylus was named by Hitchcock (1836). It is a trace fossil. Its type locality is Wethersfield tracksite, which is in a Hettangian/Sinemurian fluvial-lacustrine shale/sandstone in the Portland Formation of Connecticut.

It was recombined as Ornithoidichnites tetradactylus by Hitchcock (1837), Hitchcock (1841) and Hitchcock (1844); it was synonymized subjectively with Ornithopus gallinaceus by Hitchcock (1848); it was recombined as Sillimanius tetradactylus by Hitchcock (1845), Hay (1902), Lull (1904), Lull (1915), Lull (1917), Hay (1930), Kuhn (1963) and Haubold (1971).

Synonyms
Synonymy list
YearName and author
1836Ornithichnites tetradactylus Hitchcock p. 323 fig. 20
1837Ornithoidichnites tetradactylus Hitchcock pp. 174-175
1837Ornithichnites tetradactylus Hitchcock p. 175
1841Ornithoidichnites tetradactylus Hitchcock p. 497
1844Ornithoidichnites tetradactylus Hitchcock p. 306
1845Ornithopus gallinaceus Hitchcock
1845Sillimanius tetradactylus Hitchcock p. 24
1848Ornithopus gallinaceus Hitchcock p. 192
1854Ornithopus gallinaceus Warren p. 29
1871Ornithopus gallinaceus Hitchcock p. xxi
1879Ornithichnites tetradactylus Miller p. 147
1882Ornithopus gallinaceus Quenstedt p. 132
1889Ornithopus gallinaceus Hitchcock p. 118
1898Ornithopus gallinaceus Hitchcock p. 401
1902Sillimanius tetradactylus Hay p. 551
1904Sillimanius tetradactylus Lull p. 522
1915Sillimanius tetradactylus Lull p. 237
1917Sillimanius tetradactylus Lull p. 121
1930Sillimanius tetradactylus Hay p. 20
1963Sillimanius tetradactylus Kuhn p. 94
1971Sillimanius tetradactylus Haubold p. 99
2005Ornithopus gallinaceus Gand et al. p. 32

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
RankNameAuthor
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
genusSillimanius
speciestetradactylus()

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.

†Sillimanius tetradactylus Hitchcock 1836
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Invalid names: Ornithopus gallinaceus Hitchcock 1845 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:35
Modified: 2017-04-17 15:15:35
Source: c = class, subp = subphylum, uc = unranked clade
References: Hendy et al. 2009, Carroll 1988

Age range: base of the Hettangian to the top of the Sinemurian or 201.30000 to 190.80000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Hettangian - Sinemurian201.3 - 190.8USA (Connecticut) Ornithoidichnites tetradactylus, Ornithopus gallinaceus (53000 type locality: 53023)
Hettangian - Sinemurian201.3 - 190.8USA (Massachusetts) Ornithopus gallinaceus (52985 53028 91398) Sillimanius tetradactylus (52996)