Marshalltown Formation
223 distinct taxa, from 545 fossil occurrences the Paleobiology Database records under this name, spanning 84–72 Mya.
Delaware, New Jersey · US
223 taxa · 545 fossils · 84–72 MyaFiled under the Matawan Group. Members recorded: Mount Laurel.
Macrostrat places this rock in the Matawan Group. Macrostrat’s own record
Loading coastlines…
11 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
- Cardium
- Cyprimeria
- Exogyra ponderosa
- Agerostrea falcata
- Turritella
- Pycnodonte
- Cucullaea (Idonearca) tippana
- Exogyra
- Neithea quinquecostata
- Pterotrigonia (Scabrotrigonia)
- Cliona
- Pyropsis
- Veniella conradi
- Avellana
- Crassatella vadosa
- Cucullaea
- Gyrodes abyssinus
- Paranomia scabra
- Unicardium
- Agerostrea mesenterica
- Archaeolamna kopingensis
- Crassatella
- Granocardium dumosum
- Gryphaeostrea vomer
- Ischyrhiza mira
- Longoconcha
- Scapanorhynchus texanus
- Squalicorax kaupi
- Anchura
- Aphrodina
- Brachyrhizodus wichitaensis
- Camptonectes
- Carcharias holmdelensis
- Crocodylia
- Hybodus
- Nucula percrassa
- Panopea
- Plicatoscyllium globidens
- Pseudocorax granti
- Pseudohypolophus
The 40 most often recorded, of 223.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.