Macadens
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Macadens is an extinct genus of cartilaginous fish, likely belonging to the subclass Holocephali, discovered in Mammoth Cave National Park, Kentucky. It contains a single known species, Macadens olsoni, known from a fossilized tooth whorl dating to the Late Mississippian subperiod of the Carboniferous period, approximately 340 to 335 million years ago. The genus name an abbreviation for "Mammoth Cave denizen", while the species name is in honor of retired Mammoth Cave park scientist Rickard Olson.
Macadens is an extinct genus of cartilaginous fish, likely belonging to the subclass Holocephali, discovered in Mammoth Cave National Park, Kentucky. It contains a single known species, Macadens olsoni, known from a fossilized tooth whorl dating to the Late Mississippian subperiod of the Carboniferous period, approximately 340 to 335 million years ago. The genus name an abbreviation for "Mammoth Cave denizen", while the species name is in honor of retired Mammoth Cave park scientist Rickard Olson.
Text derived from https://en.wikipedia.org/w/index.php?oldid=1367922812 under CC BY-SA 4.0; modifications have been made.