Chonta Formation
49 distinct taxa, from 73 fossil occurrences the Paleobiology Database records under this name, spanning 113–86 Mya.
Recorded under country code PE
49 taxa · 73 fossils · 113–86 MyaMacrostrat dates this rock 103–79 Ma. Macrostrat’s own record
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3 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
- Tissotia
- Oxytropidoceras
- Lenticeras
- Pholadomya
- Arca
- Cardium
- Cucullaea
- Lima
- Liopistha
- Barroisiceras
- Brancoceras
- Buchiceras bilobatum
- Coilopoceras
- Cucullaea (Idonearca) maresi
- Desmophyllites
- Epitonium
- Eulophoceras
- Exogyra africana
- Fusinus
- Glottoceras attenuatum
- Glottoceras crassicostatum
- Glottoceras crassinodosum
- Glottoceras moorei
- Glottoceras semicostatum
- Hemiaster
- Heterotissotia
- Inoceramus (Actinoceramus) concentricus
- Knemiceras
- Lenticeras baltai
- Lima (Plagiostoma) grenieri
- Mecaster fourneli
- Metatissotia auressensis
- Natica
- Nicaisolopha nicaisei
- Nucula
- Paphia
- Paralenticeras
- Plicatula
- Prolyelliceras mathewsi
- Prolyelliceras ulrichi
The 40 most often recorded, of 49.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.