Angostura Formation
156 distinct taxa, from 236 fossil occurrences the Paleobiology Database records under this name.
The Paleobiology Database files this name in 2 countries. That can be one body of rock crossing a border, or two rocks that happen to share a name. The database does not say which, so nothing below is added across them.
Esmeraldas · EC
134 taxa · 203 fossils · 14–5.3 MyaFiled under the Santiago Group.
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10 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
- Polinices (Neverita) reclusianus pabloensis
- Strombina (Strombina) colinensis
- Alveinus rotundus
- Carcharhinus
- Conus
- Glossaulax reclusiana
- Rhizoprionodon
- Strioterebrum
- Turritella
- Acteocina bullata
- Agaronia
- Anadara (Lunarca)
- Bursa rugosa
- Calloarca (Taeniarca) cachla
- Caryocorbula prenasuta
- Centrophorus
- Cymatophos
- Dasyatidae
- Distorsio decussata
- Divaricella comis
- Ervilia
- Euclia maldonadoi
- Hertleinia angosturana
- Lepilucina gratis
- Lucinisca arrogans
- Mobula
- Muracypraea woodringi
- Nassarius (Uzita)
- Noetia (Noetia)
- Northia
- Oliva (Ispidula)
- Olivella (Niteoliva) marksi
- Perunassa
- Pyruclia telemba
- Rhizoprionodon longurio
- Semele laevis costaricensis
- Sincola (Dorsina) pigea
- Stigmaulax guppiana
- Strioterebrum gatunensis
- Strioterebrum indocayapum
The 40 most often recorded, of 134.
Chiapas · MX
22 taxa · 33 fossils · 84–66 MyaMacrostrat dates this rock 76–66 Ma. Macrostrat’s own record
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6 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
- Antillocaprina trilobata
- Barrettia
- Titanosarcolites
- Coralliochama
- Praebarrettia
- Apuliadercetis gonzalezae
- Biradiolites
- Bournonia
- Chiapasella radiolitiformis
- Durania
- Huasteca ojanchalensis
- Macabi tojolabalensis
- Macgillavryia
- Mitrocaprina
- Parastroma
- Plagioptychus agariciformis
- Plagioptychus muellerriedi
- Plagioptychus trechmanni
- Radiolites macroplicatus
- Tampsia
- Trechmannites rudissimus
- Vaccinites
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.