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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 |
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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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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: Hendy et al. 2009, Carroll 1988 |
Collections (44 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Llandovery - Wenlock | United Kingdom (Scotland) | Birkenia sp. (26889) | |
Wenlock - Ludlow | United Kingdom (Scotland) | Birkenia sp., Lasanius sp., Ateleaspis sp. (26906) | |
Homerian | Sweden | Oeselaspis pustulata, Saaremaaspis mickwitzi, Tremataspis milleri (179989) Oeselaspis pustulata, Saaremaaspis mickwitzi, Tremataspis milleri, Tremataspis schmidti (179988) Saaremaaspis mickwitzi, Tremataspis milleri, Tremataspis schmidti (179987) Tremataspis schmidti (179990) | |
Ludlow | United Kingdom (Scotland) | Birkenia sp., Lasanius sp., Ateleaspis sp. (26896) | |
Rootsikula | Norway | Ateleaspis sp. (14308 26927 26928) | |
Rootsikula | Estonia | Cephalaspidoformes indet. (26922) Oeselaspis pustulata, Saaremaaspis mickwitzi, Witaaspis schrenckii, Tremataspis schmidti (13824) Saaremaaspis mickwitzi, Tremataspis simonsoni, Witaaspis schrenckii, Tremataspis schmidti (13823) | |
Pridoli | Canada (Nunavut) | Hemicyclaspis murchisoni (90324) | |
Pridoli | United Kingdom (England) | Hemicyclaspis sp. (26915) Thyestes sp., Hemicyclaspis sp. (26917) | |
Pridoli | Lithuania | Cephalaspis sp. (207344) | |
Pridoli - Helderbergian | Russian Federation | Tannuaspis levenkoi (24785) | |
Paadla | Estonia (Saaremaa) | Oeselaspis pustulata, Procephalaspis oeselensis, Tremataspis mammillata, Tremataspis milleri, Witaaspis schrenkii (195601) | |
Paadla | Estonia | Cephalaspidoformes indet. (26925) Oeselaspis pustulata, Procephalaspis oeselensis, Tremataspis mammillata, Tremataspis milleri, Tremataspis panderi, Tremataspis patteni, Tremataspis rohoni, Tremataspis scalaris, Witaaspis schrenckii (13826) | |
Lochkovian | Ukraine | Cephalaspis sp. (26978) | |
Lochkovian | United Kingdom (England) | Benneviaspis salopiensis, Kiaeraspis sp. (90352) Cephalaspis sp. (26918) | |
Lochkovian | USA (Wyoming) | Cephalaspis sp. (153534) | |
Lochkovian | Canada (Nova Scotia) | Cephalaspis sp. (14201) Cephalaspis sp., Cephalaspis novaescotiae (161378) | |
Lochkovian | United Kingdom (Scotland) | Cephalaspis sp. (26908) | |
Lochkovian | United Kingdom (Herefordshire) | Cephalaspis sp. (201736) | |
Lochkovian - Pragian | Ukraine | Cephalaspis kozlowskii (23447) | |
Pragian | Ukraine | Cephalaspis bucovinensis (90348) | |
Emsian | USA (Wyoming) | Cephalaspis wyomingense (26176) | |
Emsian | Canada (New Brunswick) | Cephalaspis campbelltonensis, Cephalaspis canadensis, Cephalaspis jexi (161373) Cephalaspis sp., Cephalaspis acadica (161372) | |
Emsian | Canada (Quebec) | Cephalaspis dawsoni (161376) Cephalaspis westolli (161379) | |
Eifelian | Estonia | Cephalaspidida indet. (225791 225792 225793 225794) | |
Eifelian | Latvia | Cephalaspidida indet. (225795 225796 225797) | |
Early/Lower Givetian | Estonia | Cephalaspidida indet. (225804) |