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Eriptychius americanus

Pteraspidomorpha - Astraspidiformes

Taxonomy
Eriptychius americanus was named by Walcott (1892). It is a 3D body fossil. Its type locality is Harding Quarry, northwest of CaƱon City, which is in a Franklinian open shallow subtidal sandstone in the Harding Sandstone Formation of Colorado. It is the type species of Eriptychius.

Synonymy list
YearName and author
1892Eriptychius americanus Walcott
1902Eriptychius americanus Hay p. 359

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumCraniata
RankNameAuthor
superclassPteraspidomorphi(Goodrich 1909)
classPteraspidomorpha
subclassAstraspida(Berg 1940)
orderAstraspidiformes(Berg 1940)
genusEriptychiusWalcott 1892
speciesamericanus

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.

Eriptychius americanus Walcott 1892
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatitesubp
Locomotion: actively mobilep
Created: 2007-09-27 04:49:26
Modified: 2017-03-09 14:07:44
Source: subp = subphylum, p = phylum
Reference: Kiessling 2004

Age range: base of the Franklinian to the top of the Caradoc or 457.30000 to 449.50000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Caradoc458.4 - 449.5USA (Colorado) Eriptychius americanus (10380)
Franklinian457.3 - 449.6USA (Colorado) Eriptychius americanus (type locality: 155756)
Richmondian449.6 - 445.5USA (Wyoming) Eriptychius americanus (65239)