Napo Formation
21 distinct taxa, from 21 fossil occurrences the Paleobiology Database records under this name, spanning 110–86 Mya.
Napo · EC
21 taxa · 21 fossils · 110–86 MyaFiled under the Napo Group. Members recorded: Lower Napo Shales, "T" Limestones, "B" Limestones, Middle.
Macrostrat dates this rock 136–79 Ma. Macrostrat’s own record
Loading coastlines…
2 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
- Amphidonte (Ceratostreon) boussingaulti
- Aucellina
- Brancoceras (Brancoceras)
- Dipoloceras (Dipoloceras) tarrantense
- Dipoloceras (Rhytidoceras) elegans
- Dipoloceras cristatum
- Glottoceras laraense
- Glottoceras moorei
- Glottoceras sommermeieri
- Inoceramus (Actinoceramus) concentricus
- Mortoniceras (Deiradoceras)
- Mortoniceratoides rigidum
- Mosasaurinae
- Neithea (Neithea) syriaca
- Neithea texana
- Neoptychites (Neoptychites) brottianum
- Nucula
- Oscillopha syphax
- Oxytropidoceras (Venezoliceras) karsteni
- Oxytropidoceras (Venezoliceras) venezolanum
- Pseudolimea
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.