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Scientific Name
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Hyperoartia, Mayomyzon
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Location
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Illinois
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Comments
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Some modern lampreys (top) are external parasites of other fishes and suck their blood by attaching to their prey by means of a large sucker surrounding their mouth. Lampreys have a single, median and dorsal "nostril", the nasohypophysial opening, which is situated anteriorly to the eyes. One of the earliest known fossil lamprey, Mayomyzon (bottom), from the Late Carboniferous of Illinois, may not have been such a parasitic form and had a stouter body than modern lampreys).
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Reference
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Bardack, D. and Zangerl, R. (1971). Lampreys in the fossil record. In The Biology of lampreys (ed. M. W. Hardisty and I. C. Potter), Vol. 1, pp. 67-84. Academic Press, London.
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Acknowledgements
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after Bardack, D. and Zangerl, R. (1971). Lampreys in the fossil record. In The Biology of lampreys (ed. M. W. Hardisty and I. C. Potter), Vol. 1, pp. 67-84. Academic Press, London.
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Specimen Condition
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Fossil -- Period: Late Carboniferous
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Image Use
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 This media file is licensed under the Creative Commons Attribution License - Version 3.0.
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Copyright
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© 1997
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Attached to Group
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Hyperoartia: view page image collection
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Title
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hyperoartia.gif
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Image Type
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Drawing/Painting
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Image Content
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Specimen(s)
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ID
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4891
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