Chepultepec Formation
56 distinct taxa, from 83 fossil occurrences the Paleobiology Database records under this name, spanning 489–477 Mya.
Virginia, Tennessee, Maryland, Alabama · US
56 taxa · 83 fossils · 489–477 MyaFiled under the Knox Group.
Macrostrat places this rock in the Knox Group. Macrostrat’s own record
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12 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
- Finkelnburgia
- Gasconadia putilla
- Macluritella uniangulata
- Ceratopea grandis
- Dakeoceras
- Levisoceras
- Conocerina
- Ectenoceras
- Hemithecella expansa
- Hystricurus
- Levisoceras instabile
- Macropyge
- Oneotoceras percurvatum
- Ophileta complanata
- Ozarkispira subelevata
- Sinuopea
- Sinuopea basiplanata
- Tetralobula
- Bucanella nana
- Burenoceras peramplum
- Burenoceras ungulatum
- Caseoceras conicum
- Caseoceras sequatchiense
- Cephalopoda
- Chepultapecia leiosomella
- Clarkoceras
- Clarkoceras buttsi
- Clarkoceras curvatum
- Clarkoceras jasperense
- Clarkoceras parvisiphonatum
- Conocerina bassleri
- Conocerina beani
- Conocerina obliqua
- Cumberloceras buttsi
- Cystoidea
- Ecculiomphalus
- Ectenoceras arcuosutum
- Ectenoceras chepultepecense
- Ectenoceras millsi
- Ectenoceras perobliquum
The 40 most often recorded, of 56.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.