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Birkeniidae

Anaspida - Birkeniiformes - Birkeniidae

Taxonomy
Birkeniidae was named by Traquair (1899).

It was assigned to Anaspida by Gardiner (1966); to Anaspidiformes by van der Laan (2019); and to Birkeniiformes by Reeves et al. (2023).

Synonymy list
YearName and author
1899Birkeniidae Traquair
1966Birkeniidae Gardiner p. 19
2019Birkeniidae van der Laan p. 19
2023Birkeniidae Reeves et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
RankNameAuthor
superclassCyclostomataRichards
classAnaspida(Traquair)
orderBirkeniiformes
familyBirkeniidaeTraquair 1899
familyBirkeniidaeTraquair 1899

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.

Fm. †Birkeniidae Traquair 1899
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G. †Birkenia
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†Birkenia elegans Traquair 1898
†Birkenia robusta Blom et al. 2001
G. †Ctenopleuron Mathew 1907
G. †Kerreralepis BLOM 2012
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†Kerreralepis carinata BLOM 2012
G. †Rhyncholepis Kiaer 1911
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†Rhyncholepis butriangula Blom et al. 2001
†Rhyncholepis parvula Kiaer 1911
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: Kiessling 2004, Carroll 1988

Age range: base of the Sheinwoodian to the top of the Pridoli or 432.90000 to 419.62000 Ma

Collections (16 total)


Time interval Ma Country or state Original ID and collection number
Llandovery - Wenlock443.1 - 426.7United Kingdom (Scotland) Birkenia sp. (26889)
Telychian - Sheinwoodian438.6 - 430.6United Kingdom Birkenia elegans (238428)
Telychian - Sheinwoodian438.6 - 430.6United Kingdom (South Lanarkshire) Birkenia elegans (195126)
Sheinwoodian432.9 - 430.6United Kingdom Birkenia elegans (238429)
Wenlock432.9 - 426.7United Kingdom Birkenia elegans (238430)
Wenlock - Ludlow432.9 - 422.7United Kingdom (Scotland) Birkenia sp. (26906)
Homerian430.6 - 426.7Norway Rhyncholepis parvula (239158)
Homerian430.6 - 426.7Sweden Rhyncholepis parvula (179986 179989) Rhyncholepis parvula, Rhyncholepis butriangula (179987 179988)
Rootsikula428.6 - 426.7Norway Rhyncholepis parvulus (14308)
Rootsikula428.6 - 426.7Estonia Birkenia robusta (13824)
Ludlow426.7 - 422.7United Kingdom (Scotland) Birkenia elegans (26896)
Ludfordian425.0 - 422.7United Kingdom (Scotland) Kerreralepis carinata (195125)
Pridoli422.7 - 419.62Canada (New Brunswick) Ctenopleuron nerepisense (161318)