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Pionaspis

Pteraspidomorpha

Taxonomy
Pionaspis is a genus. It is not extant.

It was assigned to Pteraspidomorphes by Sepkoski (2002).

Species
P. acuticosta, P. amplissima, P. ebenina, P. rossi
Species lacking formal opinion data
P. sibirica

Synonymy list
YearName and author
2002Pionaspis Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
RankNameAuthor
subphylumVertebrata
superclassPteraspidomorphi(Goodrich 1909)
classPteraspidomorpha
subclassHeterostraciLankester 1868
genusPionaspis

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.

G. †Pionaspis
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†Pionaspis acuticosta Denison 1964
†Pionaspis amplissima Dineley and Loeffler 1976
†Pionaspis ebenina Thorsteinsson and Elliott 2022
†Pionaspis rossi Thorsteinsson and Elliott 2022
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 Ludlow to the top of the Early/Lower Lochkovian or 426.70000 to 416.80000 Ma

Collections (10 total)


Time interval Ma Country or state Original ID and collection number
Ludlow - Pridoli426.7 - 419.62Canada (Nunavut) P. sp. (237779)
Lochkovian - Early/Lower Lochkovian419.62 - 416.8Canada (Northwest Territories) P. amplissima (237846 237847 237849)
Lochkovian419.62 - 413.02Canada (Nunavut) P. acuticosta (237783) P. sp. (237785 237786 238042)
Lochkovian - Early/Lower Emsian419.62 - 399.5Canada (Northwest Territories) P. amplissima (237829 237843)