Los Alamitos Formation
66 distinct taxa, from 75 fossil occurrences the Paleobiology Database records under this name, spanning 84–66 Mya.
Río Negro · AR
66 taxa · 75 fossils · 84–66 MyaMembers recorded: Middle, Lower.
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5 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
- Podocarpoxylon mazzonii
- Titanosauridae
- Ferugliotherium windhauseni
- Hadrosauridae
- Huallasaurus australis
- Abelisauridae
- Alamitherium bishopi
- Alamitophis argentinus
- Alamitornis minutus
- Alamitosphenos mineri
- Ariidae
- Atlantoceratodus iheringi
- Atlantoceratodus patagonicus
- Atractosteus
- Austrotriconodon mckennai
- Austrotriconodon sepulvedai
- Aves
- Barberenia araujoae
- Batoidei
- Bondesius ferox
- Brandonia intermedia
- Calyptocephalellidae
- Casamiquelia rionegrina
- Chelidae
- Diplomystidae
- Emydura
- Ferugliotherium
- Gastropoda
- Gondwanatherium patagonicum
- Groebertherium
- Groebertherium novasi
- Groebertherium stipanicici
- Hesperornithiformes
- Kawasphenodon expectatus
- Kuruleufenia xenopoides
- Leonardus cuspidatus
- Lepisosteidae
- Madtsoiidae
- Meiolaniformes
- Meridiolestida
The 40 most often recorded, of 66.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.