St Marys Formation
129 distinct taxa, from 271 fossil occurrences the Paleobiology Database records under this name, spanning 14–5.3 Mya.
Maryland, Virginia · US
129 taxa · 271 fossils · 14–5.3 MyaFiled under the Chesapeake Group. Members recorded: Little Cove Point, Windmill Point, Conoy.
Macrostrat places this rock in the Chesapeake Group. 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
- Turritella plebeia plebeia
- Nassarius (Tritiaria) peralta
- Panopea goldfussii
- Dallarca idonea
- Laevihastula simplex
- Clementia (Clementia) inoceriformis
- Arossia newmani
- Dosinia acetabulum thori
- Mactrodesma subponderosa
- Stewartia anodonta
- Arossia
- Bulliopsis marylandica
- Busycon
- Chesaconcavus santamaria
- Chesapecten (Chesapecten) covepointensis
- Florimetis biplicata
- Mercenaria cuneata
- Mercenaria tetrica
- Urosalpinx subrusticus
- Anadara (Rasia) andrewsi
- Astarte perplana
- Buccinofusus parilis
- Bulliopsis quadrata
- Busycotypus coronatum
- Busycotypus rugosum
- Chesacardium
- Chesacardium laqueatum laqueatum
- Chesaconcavus rossi
- Chesapecten santamaria
- Conus deluvianus
- Crassostrea
- Ecphora gardnerae gardnerae
- Glossus santamaria
- Isognomon (Hippochaeta)
- Leptomactra delumbis
- Mariacolpus plebeia
- Mercenaria
- Mysticeti
- Turritella subvariabilis subvariabilis
- Arossia bohaska
The 40 most often recorded, of 129.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.