| Illiniichthys Temporal range: | |
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| Genus: | †Illiniichthys Schultze & Bardack, 1987 |
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| †Illiniichthys cozarti Schultze & Bardack, 1987 | |
Illiniichthys is an extinct genus of prehistoric bony fish that lived during the late Moscovian stage of the Pennsylvanian epoch in what is now Illinois, United States. [3] [1] Fossils were collected from the Mazon Creek fossil beds. The genus is named after the Illini Native American tribe. [3]
The Mazon Creek fossil beds are a conservation lagerstätte found near Morris, in Grundy County, Illinois. The fossils are preserved in ironstone concretions, formed approximately 309 million years ago in the mid-Pennsylvanian epoch of the Carboniferous period. These concretions frequently preserve both hard and soft tissues of animal and plant materials, as well as many soft-bodied organisms that do not normally fossilize. The quality, quantity and diversity of fossils in the area, known since the mid-nineteenth century, make the Mazon Creek lagerstätte important to paleontologists attempting to reconstruct the paleoecology of the sites. The locality was declared a National Historic Landmark in 1997.
Pseudophlegethontia is an extinct genus of aïstopod stegocephalians. It is the only member of the family Pseudophlegethontiidae. The only species is the type species P. turnbullorum, named in 2003. Fossils of Pseudophlegethontia have been found from the Mazon Creek fossil beds in Grundy County, Illinois, a conservation lagerstätte well known for the exceptional preservation of middle Pennsylvanian taxa.
Inichthys is an extinct genus of prehistoric marine bony fish that lived during the Lopingian epoch. Fossils were recovered in the Kuznetsk Basin, European Russia.
Nematoptychius is an extinct genus of prehistoric bony fish that lived from the Visean age of the Mississippian epoch to the Bashkirian age of the Pennsylvanian epoch in what is now Scotland, Belgium and France.
Palaeophichthys is an extinct genus of prehistoric bony fish that lived during the Desmoinsian stage of the Pennsylvanian epoch.
Haplolepis is an extinct genus of prehistoric ray-finned fish that lived during the late Moscovian stage of the Pennsylvanian epoch.
Nozamichthys is an extinct genus of prehistoric bony fish that lived during the late Moscovian stage of the Pennsylvanian epoch in what is now Illinois, United States. Fossils were collected from the Mazon Creek fossil beds. The first part of the genus name is Mazon spelled backwards, and the second part means 'fish'.
Synaptotylus is an extinct genus of prehistoric sarcopterygians or lobe-finned fish from the Pennsylvanian. The type species is Synaptotylus newelli.
Coccocephalichthys is an extinct genus of prehistoric bony fish from the Carboniferous period. The type species, C. wildi, lived during the Bashkirian age of the Pennsylvanian epoch in what is now Lancashire, United Kingdom.
Egertonia is an extinct genus of prehistoric bony fish. The earliest occurrences of the genus in the fossil record are from the Late Cretaceous of Madagascar and India.
Kentuckia is an extinct genus of prehistoric bony fish.
Igornella is an extinct genus of prehistoric bony fish that lived during the Gzhelian (Stephanian) to Asselian ages in what is now France (Burgundy).
Phanerosteon is an extinct genus of prehistoric bony fish from the Carboniferous period. The type species, P. mirabile, was recovered from the Calciferous sandstone series (Pennsylvanian), Scotland. A second species, P. phonax was described from the Serpukhovian aged Bear Gulch Limestone lagerstätte in Montana, United States.
Paralbula is an extinct genus of prehistoric bony fish. They can be found in the Hell Creek Formation, in Montana, United States.
Belotelson is a genus of crustaceans, in the extinct order Belotelsonidea, containing at least two species. It was first named by Packard in 1886 from material found in the Mazon Creek lagerstätte in Illinois. Its fossils have been found in Pennsylvanian age rocks.
Guntherichthys is an extinct genus of prehistoric bony fish that lived during the late Mississippian/early Pennsylvanian in what is now Utah, United States. Fossils were recovered from the Manning Canyon Shale. The genus is named after Lloyd Gunther.
Spinofacia is an extinct genus of prehistoric bony fish that lived during the late Mississippian/early Pennsylvanian in what is now Utah, United States. Fossils were recovered from the Manning Canyon Shale.
Paleontology in Illinois refers to paleontological research occurring within or conducted by people from the U.S. state of Illinois. Scientists have found that Illinois was covered by a sea during the Paleozoic Era. Over time this sea was inhabited by animals including brachiopods, clams, corals, crinoids, sea snails, sponges, and trilobites.
Pipiscius zangerli is an extinct species of lamprey that lived about 300 million years ago, during the Middle Pennsylvanian Epoch of the Carboniferous Period.
Bandringa is an extinct genus of Elasmobranch known from the Pennsylvanian subperiod of the Carboniferous period that was part of the monotypic family Bandringidae. There is currently a single known species, B. rayi, described in 1969. It is known from exceptionally preserved individuals found in the Mazon Creek Lagerstätte of Illinois which dates back to the late Moscovian stage.
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