Petalichthyida
Petalichthyida is an extinct order of small, flattened placoderm fish. They are typified by their splayed pectoral fins, exaggerated lateral spines, flattened bodies, and numerous tubercles that decorated all of the plates and scales of their armor. They reached a peak in diversity during the Early Devonian and were found throughout the world, particularly in Europe (especially in Germany), North America, Asia, South America, and Australia. The petalichthids Lunaspis and are among the best known. The earliest and most primitive known petalichthyid is Diandongpetalichthys, which is from earliest Devonian-aged strata of Yunnan. The presence of Diandongpetalichthys, along with other primitive petalichthyids including Neopetalichthys and Quasipetalichthys, and more advanced petalichthyids, su
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2015 in fish paleontology2018 in paleoichthyologyChordateDeinodusDiandongpetalichthysEurycaraspisEvolution of fishJanusiscusList of chordate ordersList of long species namesLunaspisMacropetalichthyidaeMacropetalichthysMinjiniaNeopetalichthysNochelaspisPetalichthyidPetalichthyidaePetalichthyidsPhyllolepidaPlacodermiQilinyuQuasipetalichthyidaeQuasipetalichthysXishancun Formation
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Petalichthyida
Petalichthyida is an extinct order of small, flattened placoderm fish. They are typified by their splayed pectoral fins, exaggerated lateral spines, flattened bodies, and numerous tubercles that decorated all of the plates and scales of their armor. They reached a peak in diversity during the Early Devonian and were found throughout the world, particularly in Europe (especially in Germany), North America, Asia, South America, and Australia. The petalichthids Lunaspis and are among the best known. The earliest and most primitive known petalichthyid is Diandongpetalichthys, which is from earliest Devonian-aged strata of Yunnan. The presence of Diandongpetalichthys, along with other primitive petalichthyids including Neopetalichthys and Quasipetalichthys, and more advanced petalichthyids, su
has abstract
I petalittidi (Petalichthyida) ...... Asia, Sudamerica e Australia.
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Petalichthyida is an extinct o ...... und have preserved mouthparts.
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Petalichthyida — ряд вимерлих ...... Південна Америка, Австралія).
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瓣甲鱼目(學名:Petalichthyida),又称扁平魚目 ...... 产自世界各地,主要见于歐洲(特別是德國)、美洲、亞洲和澳洲。
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1,020,429,302
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authority
Jaeckel, 1911
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fossil range
Early Lochkovian - Frasnian
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image caption
Lunaspis
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subdivision
*Diandongpetalichthys
*Quasipetalichthyidae
*Macropetalichthyidae
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subdivision ranks
Families
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taxon
Petalichthyida
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subject
hypernym
type
comment
I petalittidi (Petalichthyida) ...... Asia, Sudamerica e Australia.
@it
Petalichthyida is an extinct o ...... re advanced petalichthyids, su
@en
Petalichthyida — ряд вимерлих ...... Південна Америка, Австралія).
@uk
瓣甲鱼目(學名:Petalichthyida),又称扁平魚目 ...... 产自世界各地,主要见于歐洲(特別是德國)、美洲、亞洲和澳洲。
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label
Petalichthyida
@de
Petalichthyida
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Petalichthyida
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Petalichthyida
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瓣甲鱼目
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