Annona Chalk

2 distinct taxa, from 16 fossil occurrences the Paleobiology Database records under this name, spanning 84–72 Mya.

Texas, Arkansas · US

2 taxa · 16 fossils · 84–72 Mya

Macrostrat places this rock in the Taylor Group. Macrostrat’s own record

Annona Chalk — 33.57°N, 94.94°WAnnona Chalk — 33.80°N, 94.06°WAnnona Chalk — 33.71°N, 94.40°WAnnona Chalk — 33.62°N, 94.99°WAnnona Chalk — 33.65°N, 94.93°W

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5 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

What else lived thenRank the rock of a period

Counts are of occurrence records, which measure the rock and the fieldwork together.