Color of ancient cephalopod ink
Simon, John D. Department of Chemistry, University of Virginia, Charlottesville, Virginia.
Glass, Keely Department of Chemistry, Duke University, Durham, North Carolina.
Ito, Shosuke Fujita Health University, Toyoake aichi, Japan.
Wilbur, Philip British Geological Survey, Nottingham, United Kingdom.
- Melanin as a coloring agent
- Biomarker preservation
- Morphological evidence for melanin in fossils
- Chemical evidence for melanin in fossils
- Links to Primary Literature
- Additional Readings
Coleoids are members of the cephalopod subclass Coleoidea. They include octopods, squids, cuttlefish, and the extinct belemnites. Chemical techniques have revealed that the ink sacs found in some Jurassic-age coleoids contained pigment that was dark brown to black in color. This 160 million-year-old ink is chemically similar to that found in the ink sacs of modern cuttlefish and is the oldest melanin known in the fossil record.
The content above is only an excerpt.
for your institution. Subscribe
To learn more about subscribing to AccessScience, or to request a no-risk trial of this award-winning scientific reference for your institution, fill in your information and a member of our Sales Team will contact you as soon as possible.
to your librarian. Recommend
Let your librarian know about the award-winning gateway to the most trustworthy and accurate scientific information.
AccessScience provides the most accurate and trustworthy scientific information available.
Recognized as an award-winning gateway to scientific knowledge, AccessScience is an amazing online resource that contains high-quality reference material written specifically for students. Its dedicated editorial team is led by Sagan Award winner John Rennie. Contributors include more than 9000 highly qualified scientists and 42 Nobel Prize winners.
MORE THAN 8500 articles and Research Reviews covering all major scientific disciplines and encompassing the McGraw-Hill Encyclopedia of Science & Technology and McGraw-Hill Yearbook of Science & Technology
115,000-PLUS definitions from the McGraw-Hill Dictionary of Scientific and Technical Terms
3000 biographies of notable scientific figures
MORE THAN 17,000 downloadable images and animations illustrating key topics
ENGAGING VIDEOS highlighting the life and work of award-winning scientists
SUGGESTIONS FOR FURTHER STUDY and additional readings to guide students to deeper understanding and research
LINKS TO CITABLE LITERATURE help students expand their knowledge using primary sources of information