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noun
any small, spiny-finned, sharklike fish of the extinct order Acanthodii, from the Paleozoic Era.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To acanthodian
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Acanthodian
has a plethora of syllables.
So is sesquipedalianism. Does it mean:
| opposition to the withdrawal of state support or recognition from an established church, esp. the Anglican Church in 19th-century England. |
| given to using long words. |
Encyclopedia Britannica
Encyclopedia
acanthodian
any of a class (Acanthodii) of small extinct fishes, the earliest known jawed vertebrates, possessing features found in both sharks and bony fishes. Acanthodians appeared first in the Silurian Period and lasted into the Early Permian (from about 438 to 258 million years ago).
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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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