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Petromyzontida
Taxonomy
Petromyzontida is a class.
It was assigned to Petromyzontomorphi by Long (2011); and to Vertebrata by Van Der Laan (2019).
It was assigned to Petromyzontomorphi by Long (2011); and to Vertebrata by Van Der Laan (2019).
Subtaxa
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1971 | Cephalaspidomorphi Moy-Thomas and Mile |
| 2002 | Cephalaspidomorphi Sepkoski |
| 2011 | Cephalaspidomorphi Long p. 241 |
| 2011 | Petromyzontida Long p. 241 |
| 2016 | Cephalaspidomorphi Nelson et al. p. 33 |
| 2019 | Petromyzontida Van Der Laan p. 15 |
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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.
Cl. †Petromyzontida
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Fm. †Gilpichthyidae Halstead 1993
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Fm. †Pipisciidae Halstead 1993
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Invalid names: Cephalaspidomorphi Moy-Thomas and Mile 1971 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| 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 - Wenlock | United Kingdom (Scotland) | Birkenia sp. (26889) | |
| Silurian | United Kingdom (England) | Sclerodus pustuliferus (22721) | |
| Raikkula | Estonia (Jõgeva) | Kalanaspis delectabilis (206508) | |
| Telychian | United Kingdom (Scotland) | Ateleaspis tesselata (188542) | |
| Telychian - Sheinwoodian | United Kingdom | Birkenia elegans (238428) | |
| Telychian - Sheinwoodian | United Kingdom (South Lanarkshire) | Ateleaspis tesselata, Birkenia elegans (195126) | |
| Sheinwoodian | United Kingdom | Ateleaspis tessellata, Lasanius armatus, Birkenia elegans (238429) | |
| Wenlock | United Kingdom (Scotland) | Hemiteleaspis heintzi (26907) | |
| Wenlock | United Kingdom | Birkenia elegans (238430) | |
| Wenlock - Ludlow | United Kingdom (Scotland) | Birkenia sp., Lasanius sp., Ateleaspis sp. (26906) | |
| Wenlock - Ludlow | Greenland | Osteostraci indet. (239394) | |
| Homerian | Sweden | 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) | |
| Rootsikula | Estonia (Saare) | Tremataspis schmidti, Aestiaspis viitaensis, Saaremaaspis mickwitzi, Tremataspis rohoni, Tremataspis perforata, Witaaspis patteni, Witaaspis schrenckii (206984) | |
| Rootsikula | Estonia | 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) | |
| Rootsikula | Estonia (Saaremaa Island) | Aestiaspis viitaensis, Meelaidaspis gennadii (237766) | |
| Rootsikula | Norway | Ateleaspis robusta (26928) Hirella gracilis, Ateleaspis robusta (14308) Hirella sp., Ateleaspis robusta (26927) | |
| Paadla | Estonia (Saare) | Aestiaspis viitaensis (206935) Tahulaspis praevia (239042) | |
| Paadla | Estonia | Cephalaspidoformes indet. (26925) Tremataspis panderi, Tremataspis patteni, Tremataspis scalaris, Dartmuthia gemmifera, Oeselaspis pustulata, Procephalaspis oeselensis, Tremataspis mammillata, Tremataspis milleri, Tremataspis rohoni, Witaaspis schrenckii (13826) | |
| Paadla | Estonia (Saaremaa) | Witaaspis schrenkii, Tremataspis schmidti, Dartmuthia gemmifera, Oeselaspis pustulata, Procephalaspis oeselensis, Tremataspis mammillata, Tremataspis milleri, Tremataspis rohoni, Tremataspis perforata, Dartmuthia procera (195601) | |
| Ludlow | United Kingdom (Scotland) | Ateleaspis tesselata, Lasanius armatus, Birkenia elegans (26896) | |
| Ludlow | Russian Federation | Dartmuthia sp., Thyestes sp., Tremataspis sp., Osteostraci indet. (239571) | |
| Kuressaare | Estonia (Saare) | Tahulaspis ordinata (238493) | |
| Kuressaare | Estonia | Dartmuthia procera (238494) | |
| Pridoli | North Atlantic | Ateleaspis sp., Tyriaspis whitei, Hirella denisoni (239059) | |
| Pridoli | Canada (Nunavut) | Hemicyclaspis murchisoni (90324) | |
| Pridoli | Lithuania | Cephalaspis sp. (207344) | |
| Pridoli | United Kingdom | Cephalaspis sp., Sclerodus pustuliferus, Hemicyclaspis murchisoni (239127) Hemicyclaspis murchisoni (238359) | |
| Pridoli | Russian Federation | Didymaspis grindrodi, Timanaspis kossovoii (239019) | |
| Pridoli | United Kingdom (Shropshire) | Sclerodus pustuliferus (153549) | |
| Pridoli | United Kingdom (England) | Auchenaspis salteri, Hemicyclaspis murchisoni (26915) Thyestes sp., Auchenaspis salteri, Auchenaspis egertoni, Didymaspis grindrodi, Hemicyclaspis murchisoni (26917) | |
| Pridoli - Helderbergian | Russian Federation | Tuvaspis margaritae, Tannuaspis levenkoi (24785) | |
| Ohesaare | Estonia (Saare) | Ohesaareaspis ponticulata (193837) | |
| Early/Lower Lochkovian | United 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) | |
| Gedinnine | Ukraine | Benneviaspis polonica (236744) Tegaspis waengsjoei (236745) | |
| Gedinnine | Germany | Pattenaspis bardenheueri, Pattenaspis woschmidti (238362) | |
| Lochkovian | USA (Wyoming) | Cephalaspis sp. (153534) | |
| Lochkovian | Norway | 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) | |
| Lochkovian | Canada (Nunavut) | Cephalaspis sp. (90322 238034 238128) Hemicyclaspis murchisoni (237784) | |
| Lochkovian | United Kingdom (England) | Benneviaspis salopiensis, Kiaeraspis sp. (90352) Cephalaspidida indet. (238454) Cephalaspis sp. (26918) | |
| Lochkovian | Ukraine | 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) | |
| Lochkovian | Canada (Northwest Territories) | Waengsjoeaspis nahanniensis, Glabrapelta cristata, Glabrapelta minima, Dentapelta loefflerae, Superciliaspis gabrielsei, Diademaspis mackenziensis, Machairaspis serrata (237813) | |
| Lochkovian | Svalbard and Jan Mayen | Nectaspis areolata, Parameteoraspis gigas (239913) Parameteoraspis gigas (239912) Parameteoraspis oblonga (238705) Scolenaspis signata (238869) Scolenaspis signata, Mimetaspis hoeli (238410) | |
| Lochkovian | United Kingdom (Herefordshire) | Cephalaspis sp. (201736) | |
| Lochkovian | United Kingdom (Scotland) | Cephalaspis sp. (26908 155918) | |
| Lochkovian | Canada (Nova Scotia) | Cephalaspis sp. (14201) Cephalaspis sp., Cephalaspis novaescotiae (161378) | |
| Lochkovian | Greenland | Osteostraci indet. (239395) | |
| Lochkovian | United Kingdom | Cephalaspis salweyi, Cephalaspis agassizi, Benneviaspis anglica, Benneviaspis lankesteri (238037) Securiaspis kingi, Benneviaspis anglica (238038) Stensiopelta woodwardi (239007) | |
| Lochkovian - Pragian | Ukraine | Cephalaspis kozlowskii (23447) Stensiopelta sp. (239241) | |
| Lochkovian - Early/Lower Emsian | Canada (Northwest Territories) | Cephalaspis sp., Cephalaspis gabrielsei (237829) | |
| Early/Lower Devonian | United Kingdom | Cephalaspis lyelli (238045 238872) | |
| Lochkovian - Eifelian | Ukraine (Ivano-Frankivsk) | Pattenaspis rogalai (237770) | |
| Lochkovian - Eifelian | Ukraine (Ternopil) | Pattenaspis rogalai (237771) Ukrainaspis kozlowskii, Diademaspis sp., Zenaspis salweyi, Wladysagitta janvieri, Benneviaspis whitei, Mimetaspis concordis, Stensiopelta pustulata, Zychaspis granulata, Zychaspis siemiradzkii (237769) | |
| Pragian | Ukraine | Auchenaspis sp., Cephalaspis bucovinensis (90348) Stensiopelta pustulata, Zychaspis siemiradzkii, Mimetaspis glazewskii (239249) Zenaspis podolica, Pattenaspis rogalai, Stensiopelta pustulata, Zychaspis elegans (239247) | |
| Pragian | Svalbard 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) | |
| Pragian | United Kingdom | Securiaspis kitchini, Cephalaspis whitei, Cephalaspis agassizi (238870) Securiaspis waterstoni, Cephalaspis scotica, Securiaspis caledonica (238871) | |
| Pragian | Russian Federation | Tauraspis rara, Hapilaspis apheles, Severaspis rostralis, Benneviaspis urvantsevi (90331) | |
| Pragian - Emsian | Svalbard 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 Emsian | Germany | Hildenaspis digitalis (238361) | |
| Early/Lower Emsian | Russian Federation | Ilemoraspis kirkinskayae (238400) | |
| Emsian | Canada (New Brunswick) | Cephalaspis canadensis, Cephalaspis jexi, Yvonaspis campbelltonensis (161373) Cephalaspis sp. (161372) | |
| Emsian | USA (Wyoming) | Cephalaspis wyomingense (26176) | |
| Emsian | USA (Utah) | Camptaspis utahensis (233171) | |
| Emsian | Russian Federation | Dobraspis uralensis (238088) | |
| Emsian | Canada (Quebec) | Cephalaspis dawsoni (161376) Cephalaspis westolli (161379) | |
| Late/Upper Emsian - Eifelian | Latvia | Balticaspis latvica (226510) | |
| Eifelian | Estonia | Cephalaspidida indet. (225791 225792 225793 225794) | |
| Eifelian | Russian Federation | Aestiaspis viitaensis (90332) | |
| Eifelian | Latvia | Cephalaspidida indet. (225795 225796 225797) | |
| Early/Lower Givetian | Estonia | Cephalaspidida indet. (225804) | |
| Givetian | Russian Federation | Ilemoraspis kirkinskayae (238396) | |
| Givetian | United Kingdom | Trewinia magnifica (238517) | |
| Frasnian | Canada (Quebec) | Alaspis rosamundae, Levesquaspis patteni, Escuminaspis laticeps (179176) | |
| Westphalian D | USA (Illinois) | Gilpichthys greeni, Pipiscius zangerli (122493) |