Dalong Formation
572 distinct taxa, from 2,644 fossil occurrences the Paleobiology Database records under this name, spanning 260–251 Mya.
Guangxi, Guizhou, Sichuan, Anhui · CN
572 taxa · 2,644 fossils · 260–251 MyaMembers recorded: Middle, Chaotian, Mingyuexia, Upper, Lower, Lower Mudstone.
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117 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
- Paracrurithyris pigmaea
- Nazarovella gracilis
- Copicyntra
- Ishigaum trifustis
- Pseudogastrioceras
- Ishigaum longispina
- Albaillella triangularis
- Cauletella
- Fusichonetes pygmaea
- Trilonche
- Triplanospongos musashiensis
- Foremanhelena circula
- Fusichonetes soochowensis
- Prelissorhynchia pseudoutah
- Pseudotirolites
- Shangella longa
- Ishigaum obesum
- Areolicaudatus semiglobosa
- Pleuronodoceras
- Crurithyris sulcata
- Foremanhelena triangula
- Paryphella orbicularis
- Quadriremis inflata
- Cauletella paradoxa
- Hunanopecten exilis
- Clarkina
- Cauletella manica
- Orthothetina regularis
- Spinomicrocheilinella anterocompressa
- Tetragregnon longispinatum
- Copiconica
- Ishigaum craticula
- Albaillella yaoi
- Foremanhelena robusta
- Ishigaum tristylum
- Nazarovella scalae
- Neoalbaillella optima
- Ormistonella adhaerens
- Paryphella transversa
- Cauletella constricta
The 40 most often recorded, of 572.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.