The El Plan Formation is a
geologic formation
A geological formation, or simply formation, is a body of rock having a consistent set of physical characteristics ( lithology) that distinguishes it from adjacent bodies of rock, and which occupies a particular position in the layers of rock exp ...
in
Honduras. It preserves
fossils
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...
probably dating back to the
Middle Jurassic
The Middle Jurassic is the second epoch of the Jurassic Period. It lasted from about 174.1 to 163.5 million years ago. Fossils of land-dwelling animals, such as dinosaurs, from the Middle Jurassic are relatively rare, but geological formations ...
period
Period may refer to:
Common uses
* Era, a length or span of time
* Full stop (or period), a punctuation mark
Arts, entertainment, and media
* Period (music), a concept in musical composition
* Periodic sentence (or rhetorical period), a concept ...
.
El Plan Formation
at Fossilworks
Fossilworks is a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database, a large relational database assembled by hundreds of paleontologists from around the world.
History
Fossilworks was cre ...
.org
Fossil content
* '' Brachyphyllum hondurense''
* '' Phlebopteris branneri''
* '' Piazopteris branneri''
* '' Equisetum sp.''
* '' Zamites sp.''
See also
*
References
{{reflist
Further reading
* T. Delevoryas and S. C. Srivastava. 1981. Jurassic plants from the Department of Francisco Morazan, central Honduras. Review of Palaeobotany and Palynology 34:345-357
Geologic formations of Honduras
Jurassic Honduras
Sandstone formations
Shale formations
Shallow marine deposits
Formations