Saint Marys Formation
50 distinct taxa, from 113 fossil occurrences the Paleobiology Database records under this name, spanning 23–5.3 Mya.
Maryland, Virginia · US
50 taxa · 113 fossils · 23–5.3 MyaFiled under the Chesapeake Group. Members recorded: Windmill Point, Little Cove Point.
Macrostrat dates this rock 34–5.3 Ma. Macrostrat’s own record
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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
- Turritella plebeia plebeia
- Chesapecten santamaria
- Ecphora gardnerae gardnerae
- Panopea goldfussii
- Astarte perplana
- Chesacardium laqueatum laqueatum
- Dallarca idonea
- Dosinia acetabulum thori
- Lirophora (Lirophora) alveata
- Mercenaria tetrica
- Nassarius (Tritiaria) peralta
- Turritella subvariabilis subvariabilis
- Buccinofusus parilis
- Bulliopsis quadrata
- Conus deluvianus
- Glossus santamaria
- Laevihastula simplex
- Mactrodesma subponderosa
- Busycotypus coronatum
- Busycotypus rugosum
- Crassostrea
- Isognomon (Hippochaeta)
- Leptomactra delumbis
- Lucinoma contracta
- Urosalpinx subrusticus
- Acteon ovoides
- Aetobatis arcuatus
- Alca torda
- Anadara (Rasia) andrewsi
- Bulliopsis marylandica
- Busycon
- Busycon fusiformis
- Busycotypus
- Carcharias acutissimus
- Chesapecten jeffersonius
- Chesapecten madisonius
- Clementia (Clementia) inoceriformis
- Conus diluvianus
- Dosinia acetabulum
- Florimetis biplicata
The 40 most often recorded, of 50.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.