Paralycoptera

Paralycoptera Temporal range: 125–100.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N Aptian-Albian
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Osteoglossiformes
Suborder:	Osteoglossoidei
Genus:	Paralycoptera Chang & Chou, 1977
Species:	P. wui
Synonyms
P. changi Ma & Sun, 1988

Paralycoptera wui is an extinct species of basal osteoglossoid from Early Cretaceous freshwater environments of what is now China. P. wui was originally described as a lycopterid osteoglossomorph close to Lycoptera, though, later, on the basis of several well preserved specimens, Xu and Chang (2009) reassessed it as a basal osteoglossoid on the basis of better-preserved fossil material.^[1] Xu and Chang also synonymized the second described species, P. changi, as well as Tanolepis and Yungkangichthys hsitanensis (while neglecting the Japanese species, Y. macrodon), alleging that all of them were too similar to P. wui to merit separate generic or specific status, and that any anatomical differences between these taxa were due to taphonomic distortions of the specimens. In the same study, Xu and Chang also synonymized the related Japanese osteoglossomorph genus, Aokiichthys, on the basis of the two genera having an almost identical number of vertebrae, though they did not specify whether they were simply merging the two genera together, or if all the species within Aokiichthys were to be demoted as synonyms of P. wui.

References

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Osteoglossomorpha

Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Subclass: Neopterygii Infraclass: Teleostei
Actinopterygii see Actinopterygii Neopterygii see Neopterygii Teleostei see Teleostei Osteoglossomorpha see below↓ Osteoglossomorpha

Osteoglossomorpha	†Chandlerichthys †Coriops †Harenaichthys †Jinanichthys †Paralycoptera? †Tanolepis? †Tongxinichthys †Xixiaichthys †Huashiidae Huashia Kuntulunia †Lycopteridae Jiuquanichthys Kokuraichthys? Kuyangichthys Lycoptera Hiodontiformes Hiodon †Jiaohichthys †Kokuraichthys? †Plesiolycoptera †Yanbiania Osteoglossiformes †Archaeglossus †Furichthys †Joffrichthys †Kokenichthys †Shuleichthys †Tetoriichthys †Thaumaturus †Wakinoichthys †Wilsonichthys †Xixiaichthys? Pantodontidae †Capassopiscis †Cretapantodon †Palaeopantodon †Pankowskipiscis Pantodon †Petersichthys †Prognathoglossum Osteoglossidae sensu lato †Chanopsis †Chauliopareion †Singida †Phareodontinae Brychaetoides Brychaetus Cretophareodus Magnigena Monopteros Musperia Phareodus Phareodusichthys Phareoides Ridewoodichthys Taverneichthys Xosteoglossid Arapaiminae Arapaima Heterotis †Joffrichthys? †Sinoglossus? †Thrissopterus Osteoglossinae †Foreyichthys †Heterosteoglossum †Opsithrissops Osteoglossum Scleropages Notopteroidei Gymnarchus †Laeliichthys †Lopadichthys? †Ostariostoma? †Palaeonotopterus †Sinoglossus? Notopteridae Chitala Notopterus Papyrocranus Xenomystus Mormyridae Petrocephalus Mormyrinae Boulengeromyrus Brevimyrus Brienomyrus Campylomormyrus Cryptomyrus Cyphomyrus Genyomyrus Gnathonemus Heteromormyrus Hippopotamyrus Hyperopisus Isichthys Ivindomyrus Marcusenius Mormyrops Mormyrus Myomyrus Paramormyrops Pollimyrus Stomatorhinus

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