Enneabatrachus
Encyclopedia
Enneabatrachus hechti is an extinct species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of an extinct genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of prehistoric frog
Frog
Frogs are amphibians in the order Anura , formerly referred to as Salientia . Most frogs are characterized by a short body, webbed digits , protruding eyes and the absence of a tail...

 known from the late Jurassic Morrison Formation. Its remains have been recovered from stratigraphic zone 5. One specimen has been recovered from Quarry 9 of Como Bluff in Wyoming and another specimen was later reported from Dinosaur National Monument. A small discoglossid
Discoglossidae
Discoglossidae is a family of primitive frogs, with the common name Disc-Tongued Frogs. Most are endemic to Europe, but there are also three species in North-West Africa, and an extinct species formerly occurred in Israel....

 frog whose name means "nine frog" after the quarry in which it was discovered. The Como Bluff specimen was an illium only a few millimeters long. E. hechti's live weight would have only been a few grams.

See also

  • Prehistoric amphibian
  • Paleobiota of the Morrison Formation
    Paleobiota of the Morrison Formation
    The Morrison Formation is a distinctive sequence of Late Jurassic sedimentary rock that is found in the western United States, which has a wide assortment of taxa represented in its fossil record, including dinosaur fossils in North America. It is composed of mudstone, sandstone, siltstone and...

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