Kyphosichthys
Encyclopedia
Kyphosichthys is an extinct genus
of basal
actinopterygian
bony fish known from the lower Middle Triassic
(Anisian) marine deposits (Guanling Formation
) in Luoping, eastern Yunnan Province
, southwestern China
. The this species is the first known fossil record of highly deep-bodied Neopterygii ginglymodians.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of basal
Basal (phylogenetics)
In phylogenetics, a basal clade is the earliest clade to branch in a larger clade; it appears at the base of a cladogram.A basal group forms an outgroup to the rest of the clade, such as in the following example:...
actinopterygian
Actinopterygii
The Actinopterygii or ray-finned fishes constitute a class or sub-class of the bony fishes.The ray-finned fishes are so called because they possess lepidotrichia or "fin rays", their fins being webs of skin supported by bony or horny spines , as opposed to the fleshy, lobed fins that characterize...
bony fish known from the lower Middle Triassic
Middle Triassic
In the geologic timescale, the Middle Triassic is the second of three epochs of the Triassic period or the middle of three series in which the Triassic system is divided. It spans the time between 245 ± 1.5 Ma and 228 ± 2 Ma...
(Anisian) marine deposits (Guanling Formation
Guanling Formation
The Guanling Formation is a Mesozoic geologic formation. Plesiosaur remains are among the fossils that have been recovered from its strata....
) in Luoping, eastern Yunnan Province
Yunnan
Yunnan is a province of the People's Republic of China, located in the far southwest of the country spanning approximately and with a population of 45.7 million . The capital of the province is Kunming. The province borders Burma, Laos, and Vietnam.Yunnan is situated in a mountainous area, with...
, southwestern China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...
. The this species is the first known fossil record of highly deep-bodied Neopterygii ginglymodians.