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Placodermi (armour-plated fish)

Synonymy list
YearName and author
1848Placodermi M'Coy
1902Placodermi Hay p. 341
1932Placodermi Bryant p. 232
1934Placodermi Säve-Söderbergh p. 17
1975Placodermi Denison p. 23
1999Placodermi Dineley and Metcalf p. 11
2002Placodermi Sepkoski, Jr.
2004Placodermi Kiessling
2011Placodermi Long p. 241

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phylumChordataHaeckel 1847
subclassPlacodermi(M'Coy 1848)
subclassPlacodermi(M'Coy 1848)

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.

No diagnoses are available
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
References: Kiessling 2004, Carroll 1988

Age range

Maximum range based only on fossils: base of the Gorstian to the top of the Pennsylvanian or 427.40000 to 298.90000 Ma
Minimum age of oldest fossil (stem group age): 425.6 Ma

Collections (50 total)

Time interval Ma Country or state Original ID and collection number
Gorstian427.4 - 425.6China (Junnan) Silurolepis platydorsalis (182557)
Pridoli423.0 - 419.2China (Junnan) Petalichthyida sp. (182559)
Lochkovian419.2 - 410.8United Kingdom (England) Arthrodira indet. (90351) Wheathillaspis wickhamkingi, Plataspis sp., Heightingtonaspis anglica, Heightingtonaspis willsi (90352)
Lochkovian419.2 - 410.8China (Yunnan) Phymolepis cuifengshanensis, Phymolepis guoruii, Yunnanolepis chii, Yunnanolepis parvus, Yunnanolepis porifera, Yunnanolepis sp., Zhanjilepis aspratilis, Zhanjilepis sp. (162781) Yunnanolepis chii, Yunnanolepis parvus, Yunnanolepis porifera, Zhanjilepis aspratilis (173380)
Lochkovian419.2 - 410.8Russian Federation Acanthothoraci indet. (26672)
Lochkovian419.2 - 410.8China (Guangxi) Yunnanolepis sp. (4005 4007)
Lochkovian - Pragian419.2 - 407.6USA (Ohio) Aethaspis sp. (26874)
Pragian - Emsian410.8 - 393.3Japan Romundina sp. (133438)
Early/Lower Emsian409.1 - 402.5Morocco Brachythoraci indet. (150334)
Early/Lower Emsian409.1 - 402.5Germany (Gemuenden) Nessariostoma granulosum, Pseudopetalichthys problematicus, Gemuendenaspis angusta (26903)
Early/Lower Emsian409.1 - 402.5Germany Paraplesiobatis heinrichsi, Lunaspis broilii, Lunaspis heroldi, Stuertzaspis germanica, Brachythoraci indet. (26904)
Early/Lower Emsian409.1 - 402.5Russian Federation Ohioaspis sp. (35712)
Emsian407.6 - 393.3Australia (Queensland) Pterichthyodid anitarch (119809)
Emsian407.6 - 393.3USA (Wyoming) Anarthraspis chamberlini, Anarthraspis montanus, Bryantolepis brachycephalus, Bryantolepis cristatus, Bryantolepis major, Bryantolepis obscurus, Bulbocanthus rugosus (26176)
Emsian407.6 - 393.3New Zealand Actinolepis sp. (40525)
Emsian407.6 - 393.3South Africa Coccosteus sp. (a) (35578)
Late/Upper Emsian402.5 - 391.9Russian Federation Ohioaspis sp. (35720)
Eifelian393.3 - 387.7Spain (Aragon) Arthrodira indet. (40439)
Eifelian393.3 - 387.7Germany Placodermi indet. (60140)
Eifelian393.3 - 387.7Canada (Nunavut) Asterolepis sp. (26588 26592)
Eifelian - Givetian393.3 - 382.7Canada (Nunavut) Placodermi indet. (26577)
Early/Lower Givetian388.1 - 383.7Canada (Manitoba) Dinichthys sp. (624)
Givetian387.7 - 382.7USA (Iowa) Dinichthyidae indet. (90325) Ptyctodus sp., Rhynchodus sp., Ptyctodopsis menzeli (163063)
Givetian387.7 - 382.7USA (Illinois) Placodermi indet. (76641)
Early/Lower Frasnian383.7 - 382.4Russian Federation Ptyctodontida indet., Ptyctodus sp., Plourdosteus livonicus, Asterolepis radiata, Asterolepis syasiensis, Asterolepis sp., Asterolepis ornata (90343)
Frasnian382.7 - 372.2Australia (Western Australia) Camuropiscis concinnus (172211) Camuropiscis laidlawi (172213)
Frasnian382.7 - 372.2Canada (Quebec) Plourdosteus canadensis, Bothriolepis canadensis (179176)
Frasnian382.7 - 372.2USA (Pennsylvania) Bothriolepis minor, Coccosteus macromus (164512) Holonema horrida, Holonema rugosa (164509)
Late/Upper Devonian382.7 - 358.9USA (Virginia) Bothriolepis virginiensis (103795)
Late/Upper Devonian382.7 - 358.9Norway Asterolepidae sp. (154904)
Late/Upper Devonian382.7 - 358.9Ukraine (Volyno-Podoliya) Macrodontophion sp. (64101)
Famennian372.2 - 358.9USA (Ohio) Dinichthys herzeri (181411) Dunkleosteus raveri (181412)
Famennian372.2 - 358.9USA (Pennsylvania) Bothriolepis nitidus, Holonema rugosa (164511) Bothriolepis sp. (28211)
Famennian372.2 - 358.9Libya Placodermi indet. (36824)
Late/Upper Famennian364.7 - 360.7USA (Missouri) Dinichthys sp. (6026) Ptyctodus calceolus (6027 6041 6051)
Mississippian358.9 - 323.2United Kingdom Coccosteus carbonarius, Asterolepis verrucosa (132781) Cosmacanthus marginalis, Cosmacanthus carinatus, Nemacanthus priscus (137333)
Pennsylvanian323.2 - 298.9United Kingdom Chelyophorus griffithii (132779)