''Diplopora oregonensis'' is a species of algae in the genus ''

Diplopora ''Diplopora'' is an extinct genus of marine dasycladacean algae in the family Diploporaceae. Fossil records This genus is known in the fossil records from the Silurian to the Jurassic The Jurassic ( ) is a Geological period, geologic period ...

'' in the family Diploporaceae. It is a unique species of marine dasycladacean algae from the

Triassic The Triassic ( ) is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.902 million years ago ( Mya), to the beginning of the Jurassic Period 201.36 Mya. The Triassic is the first and shortest period ...

period. It was discovered by George Stanley of the University of Montana, with findings published in the 1980s. It was obtained from sands and

shale Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of clay minerals (hydrous aluminium phyllosilicates, e.g. kaolin, Al2 Si2 O5( OH)4) and tiny fragments (silt-sized particles) of other minerals, especial ...

s of the

Wallowa Wallowa may refer to: Places *Wallowa, Oregon *Wallowa County, Oregon *Wallowa Lake *Wallowa Lake State Park *Wallowa Mountains *Wallowa River Other *''Acacia calamifolia'', a shrub or tree *''Acacia euthycarpa'', a shrub or tree * ''The Wallo ...

volcanic archipelago, more specifically the

Hurwal Formation The Hurwal Formation is a geologic formation in Oregon. It preserves fossils dating back to the Triassic period. See also * List of fossiliferous stratigraphic units in Oregon * Paleontology in Oregon The location of the state of Oregon Pal ...

in eastern

Oregon Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...

. The strata of this formation developed from geologic processing of

limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...

deposits. The deposits were produced along the floors of lagoons of an ancient shallow ocean.

References

Ulvophyceae Prehistoric plants Triassic plants Fossil algae Chlorophyta species {{triassic-plant-stub