Longtan Formation
451 distinct taxa, from 1,480 fossil occurrences the Paleobiology Database records under this name, spanning 260–252 Mya.
Guizhou, Chongqing, Hunan, Sichuan · CN
451 taxa · 1,480 fossils · 260–252 MyaMembers recorded: Lower, Upper, 3, Laoshan.
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124 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.
When
What has been found
- Fusichonetes soochowensis
- Acosarina minuta
- Meekella kueichowensis
- Cathaysia chonetoides
- Tyloplecta yangtzeensis
- Permophricodothyris grandis
- Neochonetes (Huangichonetes) substrophomenoides
- Neochonetes (Neochonetes) convexa
- Edriosteges poyangensis
- Transennatia gratiosa
- Orthothetina ruber
- Spinomarginifera lopingensis
- Haydenella kiangsiensis
- Fusichonetes quadrata
- Fusichonetes wongiana
- Pecopteris
- Spinomarginifera kueichowensis
- Gigantopteris
- Leptodus nobilis
- Orthothetina frechi
- Orthothetina regularis
- Permophricodothyris elegantula
- Neochonetes (Huangichonetes) meishanensis
- Prelissorhynchia pseudoutah
- Derbyia acutangula
- Transennatia margaritatus
- Fusichonetes pygmaea
- Neochonetes (Zhongyingia) zhongyingensis
- Speciothyris speciosa
- Araxathyris
- Derbyia
- Fusichonetes flatus
- Fusichonetes minor
- Fusichonetes sheni
- Haydenella wenganensis
- Lobatannularia
- Neochonetes (Huangichonetes)
- Neochonetes (Sommeriella) strophomenoides
- Astartella symmetrica
- Leptodus
The 40 most often recorded, of 451.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.