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Irregulareaspidinae

Pteraspidomorpha - Cyathaspidiformes - Cyathaspididae

Taxonomy
Irregulareaspidinae was named by Denison (1964). It is not extant. Its type is Irregulareaspis.

It was assigned to Cyathaspididae by Dineley and Loeffler (1976).

Subtaxa
Dinaspidella, Irregulareaspis (type genus), Nahanniaspis

Synonymy list
YearName and author
1964Irregulareaspidinae Denison
1976Irregulareaspidinae Dineley and Loeffler

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassPteraspidomorphi(Goodrich 1909)
RankNameAuthor
classPteraspidomorpha
subclassHeterostraciLankester 1868
orderCyathaspidiformes(Kaier 1930)
familyCyathaspididae()
subfamilyIrregulareaspidinaeDenison 1964
subfamilyIrregulareaspidinaeDenison 1964

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.

Subfm. †Irregulareaspidinae Denison 1964
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†Dinaspidella elegans Thorsteinsson and Elliott 2022
†Dinaspidella elizabethae Blieck and Heintz 1983
†Dinaspidella robusta Blieck and Heintz 1983
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Invalid names: Dinaspis robusta Kiaer 1932 [replaced]
†Dinaspidella tenuicostata Thorsteinsson and Elliott 2022
G. †Irregulareaspis Zych 1931
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†Irregulareaspis hoeli Kiaer and Heintz 1935
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†Nahanniaspis mackenziei Dineley and Loeffler 1976
†Nahanniaspis mclintocki 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 Lochkovian to the top of the Early/Lower Lochkovian or 419.62000 to 416.80000 Ma

Collections (10 total)


Time interval Ma Country or state Original ID and collection number
Lochkovian - Early/Lower Lochkovian419.62 - 416.8Canada (Northwest Territories) Dinaspidella sp., Nahanniaspis mackenziei (237846)
Lochkovian419.62 - 413.02Svalbard and Jan Mayen Irregulareaspis hoeli (238410)
Lochkovian419.62 - 413.02Russian Federation Irregulareaspis sp. (90330)
Lochkovian419.62 - 413.02Ukraine Irregulareaspis sp. (239230)
Lochkovian419.62 - 413.02Norway Dinaspidella sp. (26929 237817 237818) Dinaspis robusta (237816) Irregulareaspis hoeli (237826)
Lochkovian - Early/Lower Emsian419.62 - 399.5Canada (Northwest Territories) Dinaspidella sp., Nahanniaspis mackenziei, Dinaspidella elizabethae (237829)