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Archegonaspis ludensis

Pteraspidomorpha - Cyathaspidiformes - Cyathaspididae

Taxonomy
Pteraspis ludensis was named by Salter (1859).

It was recombined as Archegonaspis ludensis by Kiaer (1932).

Sister species lacking formal opinion data
A. lindstroemi

Synonymy list
YearName and author
1859Pteraspis ludensis Salter
1932Archegonaspis ludensis Kiaer p. 24

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassPteraspidomorphi(Goodrich 1909)
RankNameAuthor
classPteraspidomorpha
subclassHeterostraciLankester 1868
orderCyathaspidiformes(Kaier 1930)
familyCyathaspididae()
genusArchegonaspis
speciesludensis()

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.

†Archegonaspis ludensis Salter 1859
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobilep
Created: 2017-04-17 15:11:50
Modified: 2017-04-17 15:11:50
Source: subp = subphylum, p = phylum
References: Carroll 1988, Kiessling 2004

Age range: base of the Gorstian to the top of the Ludfordian or 426.70000 to 422.70000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Silurian443.1 - 419.62United Kingdom (England) Archegonaspis ludensis (22721)
Gorstian426.7 - 425.0United Kingdom Archegonaspis ludensis (239125)
Ludfordian425.0 - 422.7United Kingdom Archegonaspis ludensis (236354)