Zhuganpo Formation
Triassic geologic unit in southern China From Wikipedia, the free encyclopedia
Triassic geologic unit in southern China From Wikipedia, the free encyclopedia
The Zhuganpo Formation is a Triassic geologic unit found in southern China. It has historically been known as the Zhuganpo Member of the Falang Formation. A diverse fossil assemblage known as the Xingyi biota or Xingyi Fauna can be found in the upper part of the Zhuganpo Formation. Fossils of the Xingyi biota include articulated skeletons of marine reptiles, abundant fish, and a plentiful assortment of invertebrates indicating a Ladinian to Carnian age for the sediments of the formation.[1][2]
Zhuganpo Formation | |
---|---|
Stratigraphic range: Upper Ladinian - Lower Carnian | |
Type | Geological formation |
Underlies | Xiaowa Formation |
Overlies | Yangliujing Formation |
Lithology | |
Primary | limestone, marl |
Location | |
Region | Guizhou Province, Yunnan Province |
Country | China |
Extent | Yunnan–Guizhou Plateau |
Reptiles of the Zhuganpo Formation | ||||
---|---|---|---|---|
Genus | Species | Notes | Images | |
Anshunsaurus | A. huangnihensis[17] | An askeptosauroid thalattosaur[18] | ||
A. wushaensis[19] | An askeptosauroid thalattosaur[20] | |||
Brevicaudosaurus | B. jiyangshanensis | A small nothosaur with an unusually short torso and tail[21] | ||
Diandongosuchus[22] | D. fuyuanensis | A semiaquatic archosauriform, interpreted as a basal phytosaur[23] | ||
Dingxiaosaurus | D. luyinensis | A pistosauroid of uncertain validity.[24] Previously believed to have been from the Yangliujing Formation.[1] | ||
Fuyuansaurus[25] | F. acutirostris | A "protorosaur" archosauromorph,[25] possibly a tanystropheid[26][27] | ||
Glyphoderma[28] | G. kangi | A placochelyid placodont | ||
Guizhouichthyosaurus | G. sp.[2][29] | A large predatory merriamosaurian ichthyosaur | ||
Keichousaurus | K. hui | A keichousaurid pachypleurosaur[30][31] | ||
Lariosaurus | L. xingyiensis | A small nothosaur[32][33] | ||
Litorosuchus[34] | L. somnii | A semiaquatic archosauriform related to Vancleavea campi | ||
Macrocnemus | M. fuyuanensis | A small basal tanystropheid[35] | ||
Nothosaurus | N. youngi | A large nothosaur[36] | ||
Qianichthyosaurus | Q. xingyiensis[37] | A small toretocnemid ichthyosaur[2] | ||
Qianxisaurus[38] | Q. chajiangensis | A basal eosauropterygian, possibly related to pachypleurosaurs or nothosaurs | ||
Tanystropheus | T. cf. hydroides[39] | A large tanystropheid, previously classified as T. cf. longobardicus[40] | ||
T. sp. | A small tanystropheid, previously classified as T. cf. longobardicus[40] | |||
Wangosaurus[41] | W. brevirostris | A pistosauroid | ||
Xinpusaurus | X. xingyiensis[42] | A thalattosauroid thalattosaur[29] | ||
Yunguisaurus | Y. liae | A pistosauroid[43][24] |
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