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Acanthothoraci

Placodermi - Acanthothoraci

Taxonomy
Acanthothoraci was named by Stensiö (1944). It is not extant.

It was synonymized subjectively with Acanthothoraciformes by Long (2011).

It was assigned to Placodermi by Denison (1975); and to Placodermi by Denison (1978), Dineley and Metcalf (1999), Sepkoski (2002) and Young (2010).

Synonymy list
YearName and author
1944Acanthothoraci Stensiö
1975Acanthothoraci Denison p. 23
1978Acanthothoraci Denison
1999Acanthothoraci Dineley and Metcalf p. 11
2002Acanthothoraci Sepkoski
2010Acanthothoraci Young p. 527

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
RankNameAuthor
superclassGnathostomata
—Placodermiomorphi
classPlacodermiM'Coy 1848
orderAcanthothoraciStensiö 1944
orderAcanthothoraciStensiö 1944

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.

Or. †Acanthothoraci Stensiö 1944
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G. †Breizosteus Goujet 1980
G. †Murrindalaspis Long 1984
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†Murrindalaspis bairdi Long 1984
Fm. †Palaeacanthaspidae Stensio 1944
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G. †Arabosteus Olive et al. 2011
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†Arabosteus variabilis Olive et al. 2011
G. †Dobrowlania Stensiö 1944
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†Dobrowlania podolica Stensio 1944
G. †Kimaspis Mark-Kurik 1973
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†Kimaspis tienshanica Mark-Kurik 1973
G. †Kolymaspis Bystrow 1956
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†Kolymaspis sibirica Bystrow 1956
G. †Kosoraspis Gross 1959
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†Kosoraspis peckai Gross 1959
G. †Palaeacanthaspis Brotzen 1934
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†Palaeacanthaspis vasta Brotzen 1934
G. †Radotina Gross 1950
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†Radotina kosorensis Gross 1950
†Radotina prima Barrande 1872
†Radotina tessellata Gross 1958
G. †Romundina Orvig 1975
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†Romundina stellina Orvig 1975
G. †Sudaspis Vaškaninová and Ahlberg 2017
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†Sudaspis chlupaci Vaškaninová and Ahlberg 2017
G. †Tlamaspis Vaškaninová and Ahlberg 2017
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†Tlamaspis inopinatus Vaškaninová and Ahlberg 2017
G. †Weejasperaspis White 1978
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†Weejasperaspis gavini White 1978
Invalid names: Kolymaspidae Bystrow 1956 [empty], Radotinidae Arambourg 1958 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobilec
Life habit: nektonicc
Diet: carnivorec
Created: 2004-08-17 14:32:58
Modified: 2004-08-17 16:32:58
Source: c = class, subp = subphylum
Reference: Carroll 1988

Age range: base of the Early/Lower Lochkovian to the top of the Emsian or 419.20000 to 393.30000 Ma

Collections (12 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Lochkovian419.2 - 416.2Canada (Nunavut) Romundina stellina (238861)
Lochkovian419.2 - 410.8Russian Federation Acanthothoraci indet. (26672)
Lochkovian419.2 - 410.8Czech Republic Kosoraspis peckai, Radotina kosorensis, Tlamaspis inopinatus, Sudaspis chlupaci (231818)
Lochkovian419.2 - 410.8Uzbekistan Kimaspis tienshanica (238422)
Lochkovian419.2 - 410.8Canada (Northwest Territories) Romundina sp. (237813)
Pragian - Emsian410.8 - 393.3Japan Romundina sp. (133438)
Pragian - Emsian410.8 - 393.3Saudi Arabia Arabosteus variabilis (237850)
Emsian407.6 - 393.3Australia (Victoria) Murrindalaspis bairdi (239062) Murrindalaspis wallacei (239063)
Emsian407.6 - 393.3Australia (New South Wales) Weejasperaspis gavini (233190 238660)
Late/Upper Emsian402.5 - 391.9Russian Federation (Magadan) Kolymaspis sibirica (171997)