A Fish from the Upper Cambrian of North America
Phosphatic dermal fragments of Anatolepis , interpreted as a heterostracan fish (class Agnatha), have been discovered in the Deadwood Formation of Late Cambrian age in northeastern Wyoming. This discovery extends back the age of the earliest known vertebrate fossils by approximately 40 million years...
Published in: | Science |
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Main Author: | |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
American Association for the Advancement of Science (AAAS)
1978
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Subjects: | |
Online Access: | http://dx.doi.org/10.1126/science.200.4341.529 https://www.science.org/doi/pdf/10.1126/science.200.4341.529 |
Summary: | Phosphatic dermal fragments of Anatolepis , interpreted as a heterostracan fish (class Agnatha), have been discovered in the Deadwood Formation of Late Cambrian age in northeastern Wyoming. This discovery extends back the age of the earliest known vertebrate fossils by approximately 40 million years. Other occurrences of Anatolepis in North America, Greenland, and Spitzbergen show that these fish had a widespread geographic distribution in Late Cambrian and Early Ordovician marine environments. |
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