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Zenaspidida

Petromyzontida - Cephalaspidiformes

Taxonomy
Zenaspidida was named by Stensio (1958).

It was assigned to Cornuata by Voichyshyn (2006); and to Osteostraci by Sansom (2009).

Synonymy list
YearName and author
1958Zenaspidida Stensio
2006Zenaspidida Voichyshyn p. 132
2009Zenaspidida Sansom p. 112

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
RankNameAuthor
subphylumVertebrata
classPetromyzontida
orderCephalaspidiformesBerg 1937
orderZenaspididaStensio 1958
orderZenaspididaStensio 1958

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. †Zenaspidida Stensio 1958
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Fm. †Parameteoraspididae Sansom 2009
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Subfm. †Escuminaspidinae Arsenault and Janvier 1995
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G. †Balticaspis Lyarskaya 1981
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†Balticaspis latvica Lyarskaya 1981
G. †Escuminaspis Traquair 1893
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†Escuminaspis laticeps Traquair 1893
Invalid names: Alaspis Orvig 1957 [synonym]
G. †Levesquaspis Arsenault and Janvier 1995
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†Levesquaspis patteni Arsenault and Janvier 1995
G. †Trewinia Janvier and Newman 2004
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†Trewinia magnifica Janvier and Newman 2004
G. †Parameteoraspis Blieck et al. 1987
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†Parameteoraspis gigas Janvier 1981
†Parameteoraspis oblonga Blieck et al. 1987
G. †Spangenhelmaspis Sansom 2009
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†Spangenhelmaspis quadrata Wangsjo 1952
†Spangenhelmaspis staxrudi Stensio 1927
Fm. †Superciliaspididae Scott and Wilson 2015
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G. †Dentapelta Scott and Wilson 2015
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†Dentapelta loefflerae Scott and Wilson 2015
G. †Glabrapelta Scott and Wilson 2015
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†Glabrapelta cristata Scott and Wilson 2015
†Glabrapelta minima Scott and Wilson 2015
G. †Superciliaspis Adrain and Wilson 1994
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†Superciliaspis gabrielsei Adrain and Wilson 1994
G. †Wladysagitta Voichyshyn 2006
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†Wladysagitta janvieri Voichyshyn 2006
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Invalid names: Cephalaspis acutirostrus Stensio 1932 [objective synonym]
Fm. †Zenaspididae Stensio 1958
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G. †Diademaspis Janvier 1985
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†Diademaspis jarviki Wangsjo 1952
†Diademaspis mackenziensis Adrain and Wilson 1994
†Diademaspis poplinae Janvier 1985
†Diademaspis stensioiei Afanassieva 1989
G. †Machairaspis Janvier 1985
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†Machairaspis battaili Janvier 1985
†Machairaspis ibex Wängsjö 1952
†Machairaspis isachseni Janvier 1985
†Machairaspis serrata Scott and Wilson 2013
G. †Scolenaspis Jarvik 1954
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†Scolenaspis signata Wängsjö 1952
G. †Stensiopelta Denison 1951
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†Stensiopelta pustulata Janvier 1985
†Stensiopelta woodwardi Denison 1951
G. †Tegaspis Wängsjö 1952
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†Tegaspis kolleri Wängsjö 1952
†Tegaspis waengsjoei Belles-Isles and Janvier 1984
G. †Zenaspis Lankaster 1869
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†Zenaspis dzieduszyckii Voichyshyn 2006
†Zenaspis kasymyri Voichyshyn 2011
†Zenaspis salweyi Egerton 1857
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: fast-movingc
Life habit: nektonicc
Diet: carnivorec
Created: 2009-10-08 12:24:48
Modified: 2009-10-08 14:24:48
Source: c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988

Age range: base of the Early/Lower Lochkovian to the top of the Frasnian or 419.62000 to 372.15000 Ma

Collections (36 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Lochkovian419.62 - 416.8United Kingdom Scolenaspis sp. (238749) Stensiopelta woodwardi (238750 238751)
Gedinnine419.62 - 413.02Ukraine Tegaspis waengsjoei (236745)
Lochkovian419.62 - 413.02United Kingdom Cephalaspis salweyi (238037) Stensiopelta woodwardi (239007)
Lochkovian419.62 - 413.02Norway Machairaspis sp. (237814 237816 237818) Machairaspis sp., Machairaspis ibex (237822) Spangenhelmaspis quadrata (238937) Spangenhelmaspis staxrudi (237824) Spangenhelmaspis staxrudi, Tegaspis kolleri (237821) Tegaspis sp., Zenaspis sp., Scolenaspis sp., Parameteoraspis sp. (237826)
Lochkovian419.62 - 413.02Svalbard and Jan Mayen Parameteoraspis gigas (239912 239913) Parameteoraspis oblonga (238705) Scolenaspis signata (238410 238869)
Lochkovian419.62 - 413.02Ukraine Diademaspis sp., Machairaspis sp., Zenaspis salweyi, Zenaspis dzieduszyckii, Wladysagitta janvieri, Stensiopelta pustulata, Zenaspis kasymyri (239251) Diademaspis sp., Stensiopelta pustulata (239217 239250) Diademaspis sp., Zenaspis dzieduszyckii, Wladysagitta janvieri (236555) Stensiopelta sp., Tegaspis waengsjoei (239231) Tegaspis sp., Stensiopelta sp. (239253) Zenaspis dzieduszyckii (236556)
Lochkovian419.62 - 413.02Canada (Northwest Territories) Glabrapelta cristata, Glabrapelta minima, Dentapelta loefflerae, Superciliaspis gabrielsei, Diademaspis mackenziensis, Machairaspis serrata (237813)
Lochkovian - Pragian419.62 - 410.62Ukraine Stensiopelta sp. (239241)
Lochkovian - Eifelian419.62 - 387.95Ukraine (Ternopil) Diademaspis sp., Zenaspis salweyi, Wladysagitta janvieri, Stensiopelta pustulata (237769)
Pragian413.02 - 410.62Ukraine Stensiopelta pustulata (239247 239249)
Pragian - Emsian413.02 - 393.47Svalbard and Jan Mayen Diademaspis jarviki, Machairaspis isachseni (237851) Machairaspis battaili (238499)
Late/Upper Emsian - Eifelian399.5 - 387.95Latvia Balticaspis latvica (226510)
Givetian387.95 - 382.31United Kingdom Trewinia magnifica (238517)
Frasnian382.31 - 372.15Canada (Quebec) Alaspis rosamundae, Levesquaspis patteni, Escuminaspis laticeps (179176)