Walnut Clay
25 distinct taxa, from 59 fossil occurrences the Paleobiology Database records under this name, spanning 113–106 Mya.
Texas · US
25 taxa · 59 fossils · 113–106 MyaFiled under the Fredericksburg Group.
Macrostrat places this rock in the Fredericksburg Group, and dates it 107–104 Ma. Macrostrat’s own record
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17 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
- Oxytropidoceras
- Oxytropidoceras (Venezoliceras)
- Venezoliceras acutocarinatum
- Oxytropidoceras (Oxytropidoceras) boesei
- Exogyra
- Manuaniceras supani
- Gryphaea
- Metengonoceras ambiguum
- Oxytropidoceras (Manuaniceras)
- Angulatergum texanum
- Archaeolamna kopingensis
- Cretodus semiplicatus
- Engonoceras gibbosum
- Engonoceras hilli
- Homarus travisensis
- Hybodus
- Lepidotes
- Macrepistius
- Metengonoceras inscriptum
- Onchopristis dunklei
- Palaeobalistum rectidens
- Praescabrotrigonia emoryi
- Protocardia hillana
- Pseudohypolophus mcnultyi
- Reptilia
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.