Neopetalichthys
| Neopetalichthys Temporal range: Emsian | |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Placodermi |
| Order: | Petalichthyida † |
| Family: | incertae sedis |
| Genus: | Neopetalichthys |
| Species: | N. yenmenpaensis |
| Binomial name | |
| Neopetalichthys yenmenpaensis Liu, 1973 | |
Neopetalichthys yenmenpaensis is an extinct petalichthid placoderm from the Early Devonian of China.
Fossils
The holotype and only known specimen is a poorly preserved partial, and elongated skull from Emsian-aged strata in Sichuan. The skull may be around 8.5 cm (3.3 in) in length.[1]
Phylogeny
Denison 1978 questions Neopetalichthys' placement within Petalichthyida, regarding it as Placodermi incertae sedis, though he does acknowledge that the skull has anatomical features in common with petalichthyids.[1]). According to Zhu's 1991 redescription of Diandongpetalichthys,[2] Neopetalichthys' status as a petalichthyid is confirmed, though, in that study, it is regarded as a basal incertae sedis.[3]
Quasipetalichthys is possibly closely related to Neopetalichthys, and may or may not be placed together within Quasipetalichthyidae.
References
- ^ a b Denison, Robert (1978). Placodermi Volume 2 of Handbook of Paleoichthyology'. Stuttgart New York: Gustav Fischer Verlag. p. 120. ISBN 978-0-89574-027-4.
- ^ Zhu, M. "New information on Diandongpetalichthys (Placodermi: Petalichthyida)." Early vertebrates and related problems of evolutionary biology. Science Press, Beijing (1991): 179-192.
- ^ Zhu, Min & Wang, Junqing (October 1996). "A NEW MACROPETALICHTHYID FROM CHINA, WITH SPECIAL REFERENCE TO THE ZOOGEOGRAPHY OF THE MACROPETALICHTHYIDAE (PLACODERMI)" (PDF). Vertebrata PalAsiatica. 34 (4): 253–268.
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"Placodermi"
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| Acanthothoraci* |
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| Petalichthyida |
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| Ptyctodontida |
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| Rhenanida |
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| Antiarchi |
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| Arthrodira |
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| Others |
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Category
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