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Oxytropidoceras

 

Fossilized insect from 100 million years ago is oldest record 

of primitive bee with pollen, Oregon State University, February 12, 2020

https://www.sciencedaily.com/releases/2020/02/200212164643.htm

 

Fossilized insect from 100 million years ago is oldest 

record of primitive bee with pollen, Oregon State University

https://today.oregonstate.edu/news/fossilized-insect-100-million-years-ago-oldest-record-primitive-bee-pollen

 

The paper is:

 

Poinar Jr, G., 2020. Discoscapidae fam. nov. (Hymenoptera: 

Apoidea), a new family of stem lineage bees with associated 

beetle triungulins in mid-Cretaceous Burmese amber. 

Palaeodiversity, 12(1), pp.1-9.

https://bioone.org/journals/Palaeodiversity/volume-12/issue-1/pale.v13.a1/Discoscapidae-fam-nov-Hymenoptera--Apoidea-a-new-family-of/10.18476/pale.v13.a1.full

 

At related open access paper is:

 

Genise, J.F., Bellosi, E.S., Sarzetti, L.C., Krause, J.M., 

Dinghi, P.A., Sánchez, M.V., Umazano, A.M., Puerta, P., 

Cantil, L.F. and Jicha, B.R., 2020. 100 Ma sweat bee nests: 

Early and rapid co-diversification of crown bees and 

flowering plants. PloS one, 15(1), p.e0227789.

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0227789

 

Yours,

 

Paul H.

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