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Petromyzontida

Petromyzontida

Taxonomy
Petromyzontida is a class.

It was assigned to Petromyzontomorphi by Long (2011); and to Vertebrata by Van Der Laan (2019).

Subtaxa
Atelaspidiformes, Birkeniiformes, Cephalaspidida, Cephalaspidiformes (syn. Osteostraci), Galeaspidiformes, Gilpichthyidae, Pipisciidae, Pituriaspidiformes
Sister taxa
Atelaspidiformes, Birkeniiformes, Cephalaspidida, Cephalaspidiformes (syn. Osteostraci), Galeaspidiformes, Pituriaspidiformes

Synonyms
Synonymy list
YearName and author
1971Cephalaspidomorphi Moy-Thomas and Mile
2002Cephalaspidomorphi Sepkoski
2011Cephalaspidomorphi Long p. 241
2011Petromyzontida Long p. 241
2016Cephalaspidomorphi Nelson et al. p. 33
2019Petromyzontida Van Der Laan p. 15

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
RankNameAuthor
phylumChordataHaeckel 1874
subphylumVertebrata
classPetromyzontida
classPetromyzontida

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.

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Fm. †Gilpichthyidae Halstead 1993
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G. †Gilpichthys Bardack and Richardson 1977
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†Gilpichthys greeni Bardack and Richardson 1977
Fm. †Pipisciidae Halstead 1993
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G. †Pipiscius Bardack and Richardson 1977
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†Pipiscius zangerli Bardack and Richardson 1977
Invalid names: Cephalaspidomorphi Moy-Thomas and Mile 1971 [synonym]
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: Carroll 1988, Hendy et al. 2009

Age range: base of the Raikkula to the top of the Westphalian D or 440.80000 to 307.40000 Ma

Collections (148 total)


Time interval Ma Country or state Original ID and collection number
Llandovery - Wenlock443.1 - 426.7United Kingdom (Scotland) Birkenia sp. (26889)
Silurian443.1 - 419.62United Kingdom (England) Sclerodus pustuliferus (22721)
Raikkula440.8 - 438.8Estonia (Jõgeva) Kalanaspis delectabilis (206508)
Telychian438.6 - 432.9United Kingdom (Scotland) Ateleaspis tesselata (188542)
Telychian - Sheinwoodian438.6 - 430.6United Kingdom (South Lanarkshire) Ateleaspis tesselata, Birkenia elegans (195126)
Telychian - Sheinwoodian438.6 - 430.6United Kingdom Birkenia elegans (238428)
Sheinwoodian432.9 - 430.6United Kingdom Ateleaspis tessellata, Lasanius armatus, Birkenia elegans (238429)
Wenlock432.9 - 426.7United Kingdom Birkenia elegans (238430)
Wenlock432.9 - 426.7United Kingdom (Scotland) Hemiteleaspis heintzi (26907)
Wenlock - Ludlow432.9 - 422.7Greenland Osteostraci indet. (239394)
Wenlock - Ludlow432.9 - 422.7United Kingdom (Scotland) Birkenia sp., Lasanius sp., Ateleaspis sp. (26906)
Homerian430.6 - 426.7Sweden Thyestes verrucosus (179986) Thyestes verrucosus, Oeselaspis pustulata, Saaremaaspis mickwitzi, Tremataspis milleri, Meelaidaspis gennadii (179989) Tremataspis schmidti, Thyestes verrucosus (179990) Tremataspis schmidti, Thyestes verrucosus, Oeselaspis pustulata, Saaremaaspis mickwitzi, Tremataspis milleri, Meelaidaspis gennadii (179988) Tremataspis schmidti, Thyestes verrucosus, Saaremaaspis mickwitzi, Tremataspis milleri (179987)
Rootsikula428.6 - 426.7Estonia Cephalaspidoformes indet. (26922) Tremataspis schmidti, Aestiaspis viitaensis, Oeselaspis pustulata, Saaremaaspis mickwitzi, Tremataspis milleri, Witaaspis schrenckii, Birkenia robusta (13824) Tremataspis simonsoni, Tremataspis schmidti, Saaremaaspis mickwitzi, Witaaspis schrenckii (13823)
Rootsikula428.6 - 426.7Norway Ateleaspis robusta (26928) Hirella gracilis, Ateleaspis robusta (14308) Hirella sp., Ateleaspis robusta (26927)
Rootsikula428.6 - 426.7Estonia (Saare) Tremataspis schmidti, Aestiaspis viitaensis, Saaremaaspis mickwitzi, Tremataspis rohoni, Tremataspis perforata, Witaaspis patteni, Witaaspis schrenckii (206984)
Rootsikula428.6 - 426.7Estonia (Saaremaa Island) Aestiaspis viitaensis, Meelaidaspis gennadii (237766)
Paadla426.7 - 423.0Estonia Cephalaspidoformes indet. (26925) Tremataspis panderi, Tremataspis patteni, Tremataspis scalaris, Dartmuthia gemmifera, Oeselaspis pustulata, Procephalaspis oeselensis, Tremataspis mammillata, Tremataspis milleri, Tremataspis rohoni, Witaaspis schrenckii (13826)
Paadla426.7 - 423.0Estonia (Saaremaa) Witaaspis schrenkii, Tremataspis schmidti, Dartmuthia gemmifera, Oeselaspis pustulata, Procephalaspis oeselensis, Tremataspis mammillata, Tremataspis milleri, Tremataspis rohoni, Tremataspis perforata, Dartmuthia procera (195601)
Paadla426.7 - 423.0Estonia (Saare) Aestiaspis viitaensis (206935) Tahulaspis praevia (239042)
Ludlow426.7 - 422.7Russian Federation Dartmuthia sp., Thyestes sp., Tremataspis sp., Osteostraci indet. (239571)
Ludlow426.7 - 422.7United Kingdom (Scotland) Ateleaspis tesselata, Lasanius armatus, Birkenia elegans (26896)
Kuressaare423.0 - 422.7Estonia Dartmuthia procera (238494)
Kuressaare423.0 - 422.7Estonia (Saare) Tahulaspis ordinata (238493)
Pridoli422.7 - 419.62Russian Federation Didymaspis grindrodi, Timanaspis kossovoii (239019)
Pridoli422.7 - 419.62United Kingdom Cephalaspis sp., Sclerodus pustuliferus, Hemicyclaspis murchisoni (239127) Hemicyclaspis murchisoni (238359)
Pridoli422.7 - 419.62United Kingdom (Shropshire) Sclerodus pustuliferus (153549)
Pridoli422.7 - 419.62North Atlantic Ateleaspis sp., Tyriaspis whitei, Hirella denisoni (239059)
Pridoli422.7 - 419.62Canada (Nunavut) Hemicyclaspis murchisoni (90324)
Pridoli422.7 - 419.62United Kingdom (England) Auchenaspis salteri, Hemicyclaspis murchisoni (26915) Thyestes sp., Auchenaspis salteri, Auchenaspis egertoni, Didymaspis grindrodi, Hemicyclaspis murchisoni (26917)
Pridoli422.7 - 419.62Lithuania Cephalaspis sp. (207344)
Pridoli - Helderbergian422.7 - 393.47Russian Federation Tuvaspis margaritae, Tannuaspis levenkoi (24785)
Ohesaare421.6 - 419.62Estonia (Saare) Ohesaareaspis ponticulata (193837)
Early/Lower Lochkovian419.62 - 416.8United Kingdom Cephalaspidae indet. (238794 238795) Cephalaspis sp., Stensiopelta woodwardi (238750) Cwmaspis billcrofti, Stensiopelta woodwardi (238751) Osteostraci indet., Cephalaspis sp., Scolenaspis sp. (238749) Sclerodus pustuliferus (238868)
Gedinnine419.62 - 413.02Germany Pattenaspis bardenheueri, Pattenaspis woschmidti (238362)
Gedinnine419.62 - 413.02Ukraine Benneviaspis polonica (236744) Tegaspis waengsjoei (236745)
Lochkovian419.62 - 413.02United Kingdom (Scotland) Cephalaspis sp. (26908 155918)
Lochkovian419.62 - 413.02Canada (Nova Scotia) Cephalaspis sp. (14201) Cephalaspis sp., Cephalaspis novaescotiae (161378)
Lochkovian419.62 - 413.02Greenland Osteostraci indet. (239395)
Lochkovian419.62 - 413.02USA (Wyoming) Cephalaspis sp. (153534)
Lochkovian419.62 - 413.02Canada (Northwest Territories) Waengsjoeaspis nahanniensis, Glabrapelta cristata, Glabrapelta minima, Dentapelta loefflerae, Superciliaspis gabrielsei, Diademaspis mackenziensis, Machairaspis serrata (237813)
Lochkovian419.62 - 413.02United Kingdom (Herefordshire) Cephalaspis sp. (201736)
Lochkovian419.62 - 413.02United Kingdom (England) Benneviaspis salopiensis, Kiaeraspis sp. (90352) Cephalaspidida indet. (238454) Cephalaspis sp. (26918)
Lochkovian419.62 - 413.02Norway Cephalaspis sp. (237817) Cephalaspis sp., Benneviaspis sp., Mimetaspis sp., Hoelaspis angulata, Kiaeraspis auchenaspidoides (237823) Cephalaspis sp., Machairaspis sp. (237814) Cephalaspis sp., Pattenaspis sp. (237815) Cephalaspis sp., Pattenaspis sp., Machairaspis sp., Waengsjoeaspis excellens, Pattenaspis acuminata (237818) Spangenhelmaspis quadrata (238937) Spangenhelmaspis staxrudi (237824) Spangenhelmaspis staxrudi, Tegaspis kolleri (237821) Tegaspis sp., Cephalaspis sp., Mimetaspis sp., Securiaspis sp., Zenaspis sp., Scolenaspis sp., Parameteoraspis sp., Hoelaspis angulata, Benneviaspis holtedahli, Kiaeraspis auchenaspidoides (237826) Waengsjoeaspis sp., Cephalaspis sp., Machairaspis sp., Hoelaspis angulata, Benneviaspis longicornis, Machairaspis ibex (237822) Waengsjoeaspis sp., Cephalaspis sp., Pattenaspis sp., Machairaspis sp., Ectinaspis heintzi, Pattenaspis acuminata (237816)
Lochkovian419.62 - 413.02Ukraine Cephalaspis sp. (26978) Diademaspis sp., Stensiopelta pustulata, Zychaspis siemiradzkii (239217 239250) Diademaspis sp., Zenaspis dzieduszyckii, Wladysagitta janvieri, Benneviaspis whitei (236555) Heraspis kozlowskii (239230) Pattenaspis rogalai (239223 239225) Stensiopelta sp., Tegaspis waengsjoei (239231) Tegaspis sp., Stensiopelta sp., Pattenaspis rogalai, Zychaspis concinna, Zychaspis siemiradzkii (239253) Ukrainaspis kozlowskii (239228 239229) Ukrainaspis kozlowskii, Diademaspis sp., Machairaspis sp., Zenaspis salweyi, Zenaspis dzieduszyckii, Zenaspis podolica, Wladysagitta janvieri, Mimetaspis concordis, Pattenaspis rogalai, Stensiopelta pustulata, Zenaspis kasymyri, Zychaspis concinna, Zychaspis siemiradzkii, Mimetaspis glazewskii (239251) Zenaspis dzieduszyckii (236556) Zenaspis podolica (239221)
Lochkovian419.62 - 413.02Canada (Nunavut) Cephalaspis sp. (90322 238034 238128) Hemicyclaspis murchisoni (237784)
Lochkovian419.62 - 413.02Svalbard and Jan Mayen Nectaspis areolata, Parameteoraspis gigas (239913) Parameteoraspis gigas (239912) Parameteoraspis oblonga (238705) Scolenaspis signata (238869) Scolenaspis signata, Mimetaspis hoeli (238410)
Lochkovian419.62 - 413.02United Kingdom Cephalaspis salweyi, Cephalaspis agassizi, Benneviaspis anglica, Benneviaspis lankesteri (238037) Securiaspis kingi, Benneviaspis anglica (238038) Stensiopelta woodwardi (239007)
Lochkovian - Pragian419.62 - 410.62Ukraine Cephalaspis kozlowskii (23447) Stensiopelta sp. (239241)
Lochkovian - Early/Lower Emsian419.62 - 399.5Canada (Northwest Territories) Cephalaspis sp., Cephalaspis gabrielsei (237829)
Early/Lower Devonian419.62 - 393.47United Kingdom Cephalaspis lyelli (238045 238872)
Lochkovian - Eifelian419.62 - 387.95Ukraine (Ternopil) Pattenaspis rogalai (237771) Ukrainaspis kozlowskii, Diademaspis sp., Zenaspis salweyi, Wladysagitta janvieri, Benneviaspis whitei, Mimetaspis concordis, Stensiopelta pustulata, Zychaspis granulata, Zychaspis siemiradzkii (237769)
Lochkovian - Eifelian419.62 - 387.95Ukraine (Ivano-Frankivsk) Pattenaspis rogalai (237770)
Pragian413.02 - 410.62Russian Federation Tauraspis rara, Hapilaspis apheles, Severaspis rostralis, Benneviaspis urvantsevi (90331)
Pragian413.02 - 410.62United Kingdom Securiaspis kitchini, Cephalaspis whitei, Cephalaspis agassizi (238870) Securiaspis waterstoni, Cephalaspis scotica, Securiaspis caledonica (238871)
Pragian413.02 - 410.62Svalbard and Jan Mayen Nectaspis areolata, Dicranaspis curtirostris, Dicranaspis gracilis, Spatulaspis robusta (239129) Nectaspis areolata, Spatulaspis costata (238092) Nectaspis areolata, Spatulaspis costata, Dicranaspis curtirostris (238091) Nectaspis dellei, Gustavaspis trinodis (238353)
Pragian413.02 - 410.62Ukraine Auchenaspis sp., Cephalaspis bucovinensis (90348) Stensiopelta pustulata, Zychaspis siemiradzkii, Mimetaspis glazewskii (239249) Zenaspis podolica, Pattenaspis rogalai, Stensiopelta pustulata, Zychaspis elegans (239247)
Pragian - Emsian413.02 - 393.47Svalbard and Jan Mayen Acrotomaspis instabilis (233179) Acrotomaspis instabilis, Nectaspis peltata, Boreaspis macrorhynchus, Dicranaspis circinus, Dicranaspis gracilis, Spatulaspis robusta (237853) Axinaspis whitei, Nectaspis peltata, Boreaspis macrorhynchus, Boreaspis puella, Boreaspis intermedia, Dicranaspis circinus, Spatulaspis robusta (237852) Diademaspis jarviki, Axinaspis whitei, Boreaspis batoides, Boreaspis macrorhynchus, Boreaspis puella, Boreaspis ceratops, Boreaspis intermedia, Machairaspis isachseni, Spatulaspis costata, Belonaspis minuta, Belonaspis puella, Boreaspis rostrata (237851) Machairaspis battaili (238499) Norselaspis glacialis (238095)
Early/Lower Emsian410.62 - 399.5Germany Hildenaspis digitalis (238361)
Early/Lower Emsian410.62 - 399.5Russian Federation Ilemoraspis kirkinskayae (238400)
Emsian410.62 - 393.47Canada (Quebec) Cephalaspis dawsoni (161376) Cephalaspis westolli (161379)
Emsian410.62 - 393.47Russian Federation Dobraspis uralensis (238088)
Emsian410.62 - 393.47USA (Utah) Camptaspis utahensis (233171)
Emsian410.62 - 393.47USA (Wyoming) Cephalaspis wyomingense (26176)
Emsian410.62 - 393.47Canada (New Brunswick) Cephalaspis canadensis, Cephalaspis jexi, Yvonaspis campbelltonensis (161373) Cephalaspis sp. (161372)
Late/Upper Emsian - Eifelian399.5 - 387.95Latvia Balticaspis latvica (226510)
Eifelian393.47 - 387.95Latvia Cephalaspidida indet. (225795 225796 225797)
Eifelian393.47 - 387.95Russian Federation Aestiaspis viitaensis (90332)
Eifelian393.47 - 387.95Estonia Cephalaspidida indet. (225791 225792 225793 225794)
Early/Lower Givetian387.95 - 385.9Estonia Cephalaspidida indet. (225804)
Givetian387.95 - 382.31Russian Federation Ilemoraspis kirkinskayae (238396)
Givetian387.95 - 382.31United Kingdom Trewinia magnifica (238517)
Frasnian382.31 - 372.15Canada (Quebec) Alaspis rosamundae, Levesquaspis patteni, Escuminaspis laticeps (179176)
Westphalian D309.8 - 307.4USA (Illinois) Gilpichthys greeni, Pipiscius zangerli (122493)