I want to study specific protein sequences to better understand their functional properties. I think that such information from this group of animals may help in this understanding.
I think the 1-million-year age mark is just about to be broken, see e.g. Miller & Lambert (2013) :
https://www.researchgate.net/publication/242333099_Ancient_DNA_Towards_a_million-year-old_genome .
(So reconstruction of > 65-million-year-old dinosaur DNA might be out of paleogeneticists' reach for years to come.)
Supposed remains of dinosaur DNA and protein sequences have been discussed some time ago by Mary H. Schweitzer and colleagues, see e.g.
https://www.researchgate.net/publication/15437031_Detecting_dinosaur_DNA?ev=prf_cit .
Article Ancient DNA: Towards a million-year-old genome
Article Detecting dinosaur DNA
See also this recent paper about the persistence of ancient protein molecules (uploaded to RG this week), including examples from dinosaur fossils:
https://www.researchgate.net/publication/263584013_Protein_Molecular_Data_from_Ancient_%281_million_years_old%29_Fossil_Material_Pitfalls_Possibilities_and_Grand_Challenges
Article Protein Molecular Data from Ancient (> 1 million years old) ...
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