Dawson Arkose
36 distinct taxa, from 57 fossil occurrences the Paleobiology Database records under this name, spanning 72–56 Mya.
Colorado, New Mexico · US
36 taxa · 57 fossils · 72–56 MyaFiled under the Monument Creek Group.
Macrostrat dates this rock 66–57 Ma. Macrostrat’s own record
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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
- Cissus marginata
- Ficus (Ficus)
- Saccoloma gardneri
- Vitis olriki
- Anemia elongata
- Castanea intermedia
- Hicoria antiquora
- Myrtophyllum torreyi
- Plantae
- Prunus coloradensis
- Ampelopsis acerifolia
- Artocarpus lessigiana
- Averrhoites affinis
- Blechnum anceps
- Ceratopsia
- Cinnamomum sezannense
- Dryopteris serrata
- Eucommia
- Ficus artocarpoides
- Glyptostrobus
- Hadrosauridae
- Hypnum coloradense
- Isoetites horridus
- Lastrea goldiana
- Laurophyllum perseanum
- Laurus socialis
- Lygodium
- Magnolia magnifolia
- Magnolia regalis
- Nymphaea pulchella
- Nyssa
- Platanus raynoldsi
- Rhamnus cleburni
- Selaginella berthoudii
- Testudinata
- Thuja interrupta
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.