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- Petalichthyida abstract "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 Wijdeaspis 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, suggest that the order may have arisen in China, possibly during the late Silurian.Because they had compressed body forms, it is speculated they were bottom-dwellers that chased after or ambushed smaller fish. Their diet is not clear, as none of the fossil specimens found have preserved mouth parts.".
- Petalichthyida class Placodermi.
- Petalichthyida kingdom Animal.
- Petalichthyida phylum Chordate.
- Petalichthyida phylum Gnathostomata.
- Petalichthyida phylum Vertebrate.
- Petalichthyida thumbnail Lunaspis_broili.JPG?width=300.
- Petalichthyida wikiPageExternalLink showgenera.php?taxon=564&rank=class.
- Petalichthyida wikiPageID "5657628".
- Petalichthyida wikiPageRevisionID "592767911".
- Petalichthyida classis Placodermi.
- Petalichthyida classisAuthority "McCoy, 1848".
- Petalichthyida fossilRange "Early Lochkovian - Frasnian".
- Petalichthyida hasPhotoCollection Petalichthyida.
- Petalichthyida imageCaption "Lunaspis".
- Petalichthyida infraphylum Gnathostomata.
- Petalichthyida name "Petalichthyida".
- Petalichthyida ordo "Petalichthyida †".
- Petalichthyida ordoAuthority "Jaeckel, 1911".
- Petalichthyida phylum Chordate.
- Petalichthyida regnum "Animalia".
- Petalichthyida subdivision "**Diandongpetalichthys *Quasipetalichthyidae *Macropetalichthyidae".
- Petalichthyida subdivisionRanks Family_(biology).
- Petalichthyida subphylum Vertebrate.
- Petalichthyida subject Category:Petalichthyida.
- Petalichthyida type Animal100015388.
- Petalichthyida type AquaticVertebrate101473806.
- Petalichthyida type Chordate101466257.
- Petalichthyida type LivingThing100004258.
- Petalichthyida type Object100002684.
- Petalichthyida type Organism100004475.
- Petalichthyida type PhysicalEntity100001930.
- Petalichthyida type Placoderm101480106.
- Petalichthyida type Placoderms.
- Petalichthyida type Vertebrate101471682.
- Petalichthyida type Whole100003553.
- Petalichthyida type Animal.
- Petalichthyida type Eukaryote.
- Petalichthyida type Species.
- Petalichthyida type Organism.
- Petalichthyida comment "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.".
- Petalichthyida label "Petalichthyida".
- Petalichthyida label "Petalichthyida".
- Petalichthyida label "Petalichthyida".
- Petalichthyida label "扁平魚目".
- Petalichthyida sameAs Petalichthyida.
- Petalichthyida sameAs Petalichthyida.
- Petalichthyida sameAs m.0dynd9.
- Petalichthyida sameAs Q147585.
- Petalichthyida sameAs Q147585.
- Petalichthyida sameAs Petalichthyida.
- Petalichthyida wasDerivedFrom Petalichthyida?oldid=592767911.
- Petalichthyida depiction Lunaspis_broili.JPG.
- Petalichthyida isPrimaryTopicOf Petalichthyida.
- Petalichthyida name "Petalichthyida".
