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Scaphaspis nastorthi

Pteraspidomorpha - Pteraspidiformes - Pteraspididae

Taxonomy
Scaphaspis nastorthi was named by Lankester (1884). It is the type species of Scaphaspis, Doryaspis.

It was recombined as Doryaspis nathorsti by Pernègre (2003).

Synonyms
Synonymy list
YearName and author
1884Scaphaspis nastorthi Lankester
1884Scaphaspis nathorsti Lankester
1884Scaphaspis nastorthi Lankester p. 5 figs. pi. 1, figs. 1-3
2003Doryaspis nathorsti Pernègre p. 736

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassPteraspidomorphi(Goodrich 1909)
RankNameAuthor
classPteraspidomorpha
subclassHeterostraciLankester 1868
orderPteraspidiformesBerg 1940
familyPteraspididaeClaypole 1885
genusScaphaspisLankester 1865
speciesnastorthi

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.

Scaphaspis nastorthi Lankester 1884
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Diagnosis
ReferenceDiagnosis
V. N. Pernègre 2003Narrow cornual plates projected anterolaterally with small hook-shaped tubercles on their anterior margin; pres- ence of postbranchial plates and four or five accessory plates between the branchial and postbranchial plates; squamation composed of median ventral and dorsal rows of ridge scales and two rows of lateral flank scales on each side of the trunk; caudal fin homocercal.
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: Kiessling 2004, Carroll 1988
Collections
No collection or age range data are available