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3.3" Fossil Leaf (Marmarthia?) Nodule - Hell Creek Formation
This is a 3.3" fossil leaf nodule (Marmarthia sp.?) from the Late Cretaceous Hell Creek Formation on our partner's private quarry in Bowman, North Dakota. It is preserved inside a sandstone concretion.
Marmarthia is an extinct genus of flowering plants from the laurel family (Lauraceae). Two species have been described from the Hell Creek Formation: M. pearsonii, which had simple tapered leaves, and M. trivialis, which had more rounded leaves with wide serrations and three distinct veins branching from the leaf base. This leaf most closely resembles M. trivialis.
Marmarthia is an extinct genus of flowering plants from the laurel family (Lauraceae). Two species have been described from the Hell Creek Formation: M. pearsonii, which had simple tapered leaves, and M. trivialis, which had more rounded leaves with wide serrations and three distinct veins branching from the leaf base. This leaf most closely resembles M. trivialis.
The Hell Creek Formation
Renowned for both its age and rich sedimentary layers, the Hell Creek Formation is one of the most intensively studied fossil-bearing regions on Earth. To date, scientists have documented 158 genera of animals and 64 genera of plants from its rocks, with new finds emerging regularly. Beyond iconic dinosaurs such as tyrannosaurs, ceratopsians, and hadrosaurs, the formation has produced an extraordinary array of life, including amphibians, reptiles, lizards, snakes, turtles, fish, sharks, birds, and early mammals. Together, these fossils provide the most complete picture of the ecosystems that thrived just before the Cretaceous–Paleogene extinction event.
Renowned for both its age and rich sedimentary layers, the Hell Creek Formation is one of the most intensively studied fossil-bearing regions on Earth. To date, scientists have documented 158 genera of animals and 64 genera of plants from its rocks, with new finds emerging regularly. Beyond iconic dinosaurs such as tyrannosaurs, ceratopsians, and hadrosaurs, the formation has produced an extraordinary array of life, including amphibians, reptiles, lizards, snakes, turtles, fish, sharks, birds, and early mammals. Together, these fossils provide the most complete picture of the ecosystems that thrived just before the Cretaceous–Paleogene extinction event.
SPECIES
Marmarthia trivialis?
LOCATION
Bowman, North Dakota
FORMATION
Hell Creek Formation
SIZE
3.3" wide
CATEGORY
SUB CATEGORY
ITEM
#252952
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