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Helcura caudata

Reptilia

Taxonomy
Helcura caudata was named by Hitchcock (1858). It is considered to be a form taxon. It is a trace fossil. Its type locality is Ferry above Turners Falls, tracksite, which is in a Hettangian/Sinemurian fluvial-lacustrine sandstone in the Portland Formation of Massachusetts.

It was synonymized subjectively with Helcura littoralis by Lull (1904).

Synonymy list
YearName and author
1858Helcura caudata Hitchcock p. 140
1871Helcura caudata Hitchcock p. xxi
1889Helcura caudata Hitchcock p. 119
1894Helcura caudata Lyman p. 206
1971Helcura caudata Haubold p. 101

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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
—Testudinata(Oppel 1811)
genusHelcura
speciescaudata

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.

†Helcura caudata Hitchcock 1858
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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: 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) Helcura caudata (52986)
Hettangian - Sinemurian201.3 - 190.8USA (Massachusetts) Helcura caudata (52987 type locality: 52998)